ARROW DEPOSIT
AR-17-146c4
Hole AR-17-146c4 was a directional hole that departed hole AR-17-146c3 at a depth of 352 m. This step-out hole was designed to test the southwest gap 50 m down-dip and northeast of AR-17-146c3. Directional drilling was initiated at 369 m. The A3 and A4 shears were both intersected at inclinations of -70°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with disseminated, fracture, and foliation-controlled pitchblende mineralization. A total composite mineralization of 22.0 m was intersected within a 237.0 m section (678.0 to 915.0 m). In the A3 shear, 7.5 m of total composite mineralization was intersected. In the A4 shear, 14.5 m of total composite mineralization was intersected. The hole was terminated at 978.5 m
AR-17-154c3
Hole AR-17-154c3 was a directional hole that departed pilot hole AR-17-154c2 at a depth of 252 m. This step-out hole was designed to test the northeast gap 50 m below AR-17-154c2. Directional drilling was initiated at 265 m. The A3 shear was intersected at an inclination of -69°. Basement lithologies were intersected from the top of the hole and dominantly consisted of semi-pelitic gneiss with relatively narrow intervals of graphitic pelitic gneiss and mylonite. The hole successfully intersected anomalous radioactivity in the A3 shear in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 5.0 m was intersected within a 107 m section (597.5 to 704.5 m), all in the A3 shear. The hole was terminated at a depth of 870.5 m.
AR-17-154c4
Hole AR-17-154c4 was a directional hole that departed pilot hole AR-17-154c3 at a depth of 264 m. This step-out hole was designed to test the northeast gap 50 m northeast of AR-17-154c2. Directional drilling was initiated at 324 m. The A2 shear was intersected at an inclination of -67°.Basement lithologies were intersected from the top of the hole and dominantly consisted of semi-pelitic gneiss with relatively narrow intervals of graphitic pelitic gneiss and mylonite. The hole successfully intersected anomalous radioactivity in the A1 through A3 shears in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization 30.0 m was intersected within a 296.0 m section (594.0 to 890.0 m). In the A1 shear, 5.0 m of total composite mineralization was intersected. In the A2 shear, 22.5 m of total composite mineralization was intersected. In the A3 shear, 2.5 m of total composite mineralization was intersected. The hole was terminated at a depth of 945.5 m.
AR-17-155c3
Hole AR-17-155c3 was a directional hole that departed pilot hole AR-17-155c2 at a depth of 231 m. This infill hole was designed to test the A3 shear 30 m down-dip of AR-15-057c5. Directional drilling was initiated at 258 m. The A3 shear was intersected at an inclination of -68.5°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous to strongly anomalous radioactivity was intersected in the A2 through A4 shears in association with stringers, disseminated, fracture-controlled, foliation-controlled and worm rock pitchblende mineralization. A total composite mineralization of 64.5 m including 3.15 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 395.5 m section (437.5 to 833.0 m). In the A2 shear, 18.5 m of total composite mineralization including 0.8 m of off-scale radioactivity was intersected. In the A3 shear, 31.0 m of total composite mineralization including 2.3 m of off-scale radioactivity was intersected. In the A4 shear, 15.0 m of total composite mineralization including 0.05 m of off-scale radioactivity was intersected. The hole was terminated at 912.5 m.
AR-17-156c2
Hole AR-17-156c2 was a directional hole that departed pilot hole AR-17-156c1 at a depth of 468 m. The hole was designed to test the southwest gap 50 m below AR-17-156c1. Directional drilling was initiated at 481 m. The A3 shear was intersected at an inclination of -69°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with stringers, disseminated, and fracture-controlled pitchblende mineralization. A total composite mineralization of 14.0 m including 0.25 m of off-scale radioactivity (>10,000 to 15,000 cps) was intersected within a 165.0 m section (650.0 to 815.0 m). In the A3 shear, 10.0 m of total composite mineralization including 0.25 m of off-scale radioactivity was intersected. In the A4 shear, 4.0 m of total composite mineralization was intersected. The hole was terminated at 858.5 m.
AR-17-156c3
Hole AR-17-156c3 was a directional hole that departed pilot hole AR-17-156c2 at a depth of 165 m. The hole was designed to test the southwest gap 50 m below AR-17-156c2. Directional drilling was initiated at 402 m. The A3 shear was intersected at an inclination of -68°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 34.5 m including 0.5 m of off-scale radioactivity (>10,000 to 24,000 cps) was intersected within a 120.0 m section (703.0 to 823.0 m). In the A3 shear, 23.0 m of total composite mineralization including 0.45 m of off-scale radioactivity was intersected. In the A4 shear, 11.5 m of total composite mineralization including 0.05 m of off-scale radioactivity was intersected. The hole was terminated at 903.5 m.
AR-17-156c4
Hole AR-17-156c4 was a directional hole that departed pilot hole AR-17-156c3 at a depth of 157 m. The hole was designed to test the southwest gap 50 m below AR-17-156c3. Directional drilling was initiated at 157.3 m. The A3 shear was intersected at an inclination of -66°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected largely in the A3 and A4 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 27.5 m including 0.75 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 528.0 m section (363.5 to 891.5 m). In the A3 shear, 15.0 m of total composite mineralization was intersected. In the A4 shear, 12.0 m of total composite mineralization including 0.75 m of off-scale radioactivity was intersected. An additional 0.5 m of mineralization was intersected southeast of the A4 shear. The hole was terminated at 936.5 m.
AR-17-156c5
Hole AR-17-156c5 was a directional hole that departed pilot hole AR-17-156c4 at a depth of 219 m. The hole was designed to test the southwest gap 30 m up-dip from AR-17-156c1. Directional drilling was initiated at 231 m. The A3 shear was intersected at an inclination of -58°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 shear in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 11.5 m was intersected within a 53.0 m section (669.5 to 722.5 m), all within the A3 shear. The hole was terminated at 789.5 m.
AR-17-159c1
Hole AR-17-159c1 was a step-out hole collared from surface at an angled orientation (-70°) to the northwest (327° Azimuth). The hole was designed to expand the A3 shear 30 m up-dip and southwest of AR-17-136c2. Directional drilling was initiated at 312 m. The A3 shear was intersected at an inclination of -71°. Strongly bleached Athabasca Group sandstone was intersected from 114.0 m to the unconformity at 131.6 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Strongly anomalous radioactivity was intersected in the A3 shear in association with stringers, disseminated, fracture-controlled, foliation-controlled, and semi-massive pitchblende mineralization. In the A3 shear, 44.0 m total composite mineralization including 13.85 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 90.0 m section (377.0 to 467.0 m). The hole was terminated at 507.0 m.
AR-17-159c2
Hole AR-17-159c2 was a directional hole that departed pilot hole AR-17-159c1 at a depth of 234 m. The hole was designed to expand the A3 shear 25 m below of AR-17-159c2. Directional drilling was initiated at 243 m. The A3 shear was intersected at an inclination of -74°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Strongly anomalous radioactivity was intersected in the A3 shear in association with stringers, disseminated, fracture-controlled, foliation-controlled, and semi-massive pitchblende mineralization. In the A3 shear, total composite mineralization of 54.5 m including 11.8 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 101.0 m section (375.5 to 476.5 m). The hole was terminated at 546.0 m.
AR-17-161c1
Hole AR-17-161c1 was a step-out hole collared from surface at an angled orientation (-70°) to the northwest (327° Azimuth). The hole was designed to test the southwest gap 70 m down-dip and northeast of AR-17-146c3. Directional drilling was initiated at 201 m. The A3 shear was intersected at an inclination of -62°.
Basement lithologies were intersected beginning at 113.7 m which consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with stringers, disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 13.0 m including 0.9 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 117.5 m section (743.0 to 860.5 m). In the A3 shear, 10.5 m of total composite mineralization including 0.9 m of off-scale radioactivity was intersected. In the A4 shear, 2.5 m of total composite mineralization was intersected. The hole was terminated at 999.5 m.
AR-17-161c2
Hole AR-17-161c2 was a directional hole that departed pilot hole AR-17-161c1 at a depth of 342 m. The hole was designed to test the southwest gap 50 m below AR-17-161c1. Directional drilling was initiated at 432 m. The A3 shear was intersected at an inclination of -64°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 through A5 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 30.0 m including 1.2 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 314.0 m section (626.5 to 940.5 m). In the A3 shear, 13.0 m of total composite mineralization including 1.2 m of off-scale radioactivity was intersected. In the A4 shear, 13.5 m of total composite mineralization was intersected. In the A5 shear, 3.5 m of total composite mineralization was intersected. The hole was terminated at 990.5 m.
AR-17-164c1
Hole AR-17-164c1 was an infill hole collared from surface at an angled orientation (-70°) to the northwest (327° Azimuth). The hole was designed to test the A3 shear 25 m up-dip and southwest of AR-17-057c5. Directional drilling was initiated at 198 m. The A3 shear was intersected at an inclination of -69°. Bleached Athabasca Group sandstone was intersected from 120.5 m to the unconformity at 126.6 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A1 through A4 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 81.5 m including 5.95 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 767.5 m section (130.0 to 897.5 m). In the A1 shear, 3.5 m of total composite mineralization was intersected. In the A2 shear, 23.0 m of total composite mineralization including 0.95 m of off-scale radioactivity was intersected. In the A3 shear, 47.5 m of total composite mineralization including 5.0 m of off-scale radioactivity was intersected. In the A4 shear, 7.0 m of total composite mineralization was intersected. An additional 0.5 m of mineralization was intersected southeast of the A5 shear. The hole as terminated at 942.5m
AR-17-164c2
Hole AR-17-164c2 was a directional hole that departed pilot hole AR-17-164c1 at a depth of 211 m. This infill hole was designed to test the A3 shear 20 m below AR-17-164c1. Directional drilling was initiated at 222 m. The A3 shear was intersected at an inclination of -66°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 48.0 m including 4.55 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 226.5 m section (426.5 to 653.0 m). In the A3 shear, 43.0 m of total composite mineralization including 4.35 m of off-scale radioactivity was intersected. In the A4 shear, 5.0 m of total composite mineralization including 0.2 m of off-scale radioactivity was intersected. The hole was terminated at 654.5 m.
AR-17-164c3
Hole AR-17-164c3 was a directional hole that departed pilot hole AR-17-164c2 at a depth of 207 m. This step-out hole was designed to test the A3 shear 20 m up-dip and southwest of AR-17-114c1. Directional drilling was initiated at 219 m. The A3 shear was intersected at an inclination of -62°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 shear in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 28.5 m including 0.8 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 79.0 m section (445.5 to 524.5 m), all in the A3 shear. The hole was terminated at 549.5 m.
AR-17-167c1
Hole AR-17-167c1 was a step-out hole collared from surface at an angled orientation (-70°) to the northwest (327° Azimuth). The hole was designed to test the A3 shear 50 m down-dip and northeast of AR-17-159c2. Directional drilling was initiated at 198 m. The A3 shear was intersected at an inclination of -66°. Heavily bleached and desilicified Athabasca Group sandstone was intersected from 107.3 m to the unconformity at 124.0 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A1 through A3 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 57.5 m including 1.55 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 303.5 m section (481.5 to 785.0 m). In the A1 shear, 6.0 m of total composite mineralization was intersected. In the A2 shear, 34.5 m of total composite mineralization including 0.1 m of off-scale radioactivity was intersected. In the A3 shear, 17.0 m of total composite mineralization including 1.45 m of off-scale radioactivity was intersected. The hole was terminated at 837.5 m.
AR-17-167c2
Hole AR-17-167c2 was a directional hole that departed pilot hole AR-17-167c1 at a depth of 205 m. This step-out hole was designed to test the A3 shear 20 m above AR-17-167c1. Directional drilling was initiated at 219 m. The A3 shear was intersected at an inclination of -64°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A2 and A3 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 18.5 m including 1.8 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 80.0 m section (460.0 to 640.0 m). In the A2 shear, 14.0 m of total composite mineralization including 1.05 m of off-scale radioactivity was intersected. In the A3 shear, 4.5 m of total composite mineralization including 0.75 m of off-scale radioactivity was intersected. The hole was terminated at 723.5 m.
AR-17-167c3
Hole AR-17-167c3 was a directional hole that departed pilot hole AR-17-167c2 at a depth of 270 m. This step-out hole was designed to test the A3 shear 20 m above AR-17-167c2. Directional drilling was initiated at 285 m. The A3 shear was intersected at an inclination of -61°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A1 through A3 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 8.0 m was intersected within a 258.5 m section (435.0 to 693.5 m). In the A1 shear, 0.5 m of mineralization was intersected. In the A2 shear, 4.0 m of total composite mineralization was intersected. In the A3 shear, 3.5 m of total composite mineralization was intersected. The hole was terminated at 727.5 m.
AR-17-171c1
Hole AR-17-171c1 was a step-out hole collared from surface at an angled orientation (-70°) to the northwest (327° Azimuth). The hole was designed to test the northeast gap 90 m northeast of AR-17-154c1. Directional drilling was initiated at 156 m. The A2 shear was intersected at an inclination of -63°. Heavily bleached Athabasca Group sandstone was intersected from 106.9 m to the unconformity at 119.3 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A1 and A2 shears in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 28.0 m including 0.3 m of off-scale radioactivity (>10,000 to 12,000 cps) was intersected within a 150.5 m section (714.0 to 864.5 m). In the A1, 9.5 m of total composite mineralization including 0.1 m of off-scale radioactivity was intersected. In the A2 shear, 18.5 m of total composite mineralization including 0.2 m of off-scale radioactivity was intersected. The hole was terminated at 920.0 m.
AR-17-171c2
Hole AR-17-171c2 was a directional hole that departed pilot hole AR-17-171c1 at a depth of 249 m. This step-out hole was designed to test the northeast gap 50 m along strike to the northeast of AR-17-154c4 m. Directional drilling was initiated at 355 m. The A2 shear was intersected at an inclination of -67°.Basement lithologies were intersected from the top of the hole and dominantly consisted of semi-pelitic gneiss with relatively narrow intervals of graphitic pelitic gneiss and mylonite. The hole successfully intersected anomalous radioactivity in the A1 through A3 shears in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 38.0 m including 1.45 m of off-scale radioactivity (>10,000 to 14,800 cps) was intersected within a 244.5 m section (649.5 to 894.0 m). In the A1 shear, 1.5 m of total composite mineralization was intersected. In the A2 shear, 34.5 m of total composite mineralization including 1.45 m of off-scale radioactivity was intersected. In the A3 shear, 2.0 m of total composite mineralization was intersected. The hole was terminated at 921.5 m.
AR-17-171c3
Hole AR-17-171c3 was a directional hole that departed pilot hole AR-17-171c2 at a depth of 354 m. This step-out hole was designed to test the northeast gap, 50 m down-dip from AR-17-171c2 m. Directional drilling was initiated at 370 m. The A2 shear was intersected at an inclination of -67°. Basement lithologies were intersected from the top of the hole and dominantly consisted of semi-pelitic gneiss with relatively narrow intervals of graphitic pelitic gneiss and mylonite. The hole successfully intersected anomalous radioactivity in the A1 and A2 shears in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 45.5 m including 1.45 m of off-scale radioactivity (>10,000 to 32,700 cps) was intersected within a 183.0 m section (749.5 to 932.5 m). In the A1 shear, 23.0 m of total composite mineralization including 1.45 m of off-scale radioactivity was intersected. In the A2 shear, 22.5 m of total composite mineralization was intersected. The hole was terminated at 978.5 m.
AR-17-176c1
Hole AR-17-176c1 was a step-out hole collared from surface at an angled orientation (-70°) to the northwest (327° Azimuth). The hole was designed to expand the A3 shear 50 m up-dip and southwest of AR-17-164c3. Directional drilling was initiated at 202 m. The A3 shear was intersected at an inclination of -66°. Strongly bleached Athabasca Group sandstone was intersected from 120.9 m to the unconformity at 125.1 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with disseminated and fracture-controlled pitchblende mineralization. A total composite mineralization of 3.5 m was intersected within a 205.0 m section (301.5 to 506.5 m). In the A4, 0.5 m of total composite mineralization was intersected. In the A3 shear, 3.0 m of total composite mineralization was intersected. The hole was terminated at 540.0 m.
AR-17-176c2
Hole AR-17-176c2 was a directional hole that departed pilot hole AR-17-176c1 at a depth of 360 m. The hole was designed to expand the A3 shear 35 m below of AR-17-176c1. Directional drilling was initiated at 369 m. The A3 shear was intersected at an inclination of -72°. Basement lithologies were intersected beginning at the top of the hole and consisted largely of semi-pelitic gneiss and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A1 through A3 shears in association with disseminated, fracture-controlled and foliation-controlled pitchblende mineralization. A total composite mineralization of 73.0 m including 6.75 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 371.0 m section (444.0 to 815.0 m). In the A1 shear, 5.5 m total composite mineralization was intersected. In the A2 shear, 58.0 m composite mineralization including 6.4 m of off-scale radioactivity was intersected. In the A3 shear, 9.5 m of composite mineralization, including 0.35 m of off-scale radioactivity was intersected. The hole was terminated at 870.5 m.
AR-17-179c1
Hole AR-17-179c1 was an infill hole collared from surface at an angled orientation (-68°) to the northwest (327° Azimuth). The hole was designed to test the A3 shear 25 m along strike to the southwest of AR-17-121c1. Directional drilling was initiated at 304 m. The A3 shear was intersected at an inclination of -67°. Bleached Athabasca Group sandstone was intersected from 123.1 m to the unconformity at 130.5 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in the A3 and A4 shears in association with disseminated, fracture-controlled, and foliation-controlled pitchblende mineralization. A total composite mineralization of 40.5 m including 2.8 m of off-scale radioactivity (>10,000 to 45,000 cps) was intersected within a 159.5 m section (457.5 to 617.0 m). In the A3 shear, 38.0 m of total composite mineralization including 2.7 m of off-scale radioactivity was intersected. In the A4 shear, 2.5 m of total composite mineralization including 0.1 m of off-scale radioactivity was intersected. The hole as terminated at 639.5m.
AR-17-183c1
Hole AR-17-183c1 was an in-fill hole collared from surface at an angled orientation (-68°) to the northwest (327° Azimuth). The hole was designed to test the A3 shear 25 m up-dip from AR-17-147c1. Directional drilling was initiated at 168 m. The A3 shear was intersected at an inclination of -69°. Strongly bleached Athabasca Group sandstone was intersected from 127.3 m to the unconformity at 139.7 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous to strongly anomalous radioactivity was intersected in the A3 shear in association with stringers, disseminated, fracture-controlled, foliation-controlled, and semi-massive pitchblende mineralization. In the A3 shear, 27.5 m total composite mineralization including 2.5 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 98.5 m section (479.5 to 578.0 m). The hole was terminated at 630.5 m.
GEOTECHNICAL PROGRAM
GAR-17-002
GAR-17-002 was the second hole drilled in the geotechnical segment of the Pre-Feasibility Study. The hole was collared from surface at an angled orientation (-70°) to the northwest (327° azimuth). The purpose was to provide data on the geotechnical and hydrogeological characteristics of the Arrow Deposit host rocks and overburden. Strongly bleached Athabasca Group sandstone was intersected from 118.7 m to the unconformity at 124.7 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous to strongly anomalous radioactivity was intersected in the A1 through A5 shears in association with stringers, disseminated, and fracture-controlled pitchblende mineralization. A total composite mineralization of 82.0 m including 3.85 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected within a 629.5 m section (210.0 to 839.5 m). In the A1 shear 4.0 m of total composite mineralization was intersected. In the A2 shear 29.5 m of total composite mineralization including 2.55 m of off-scale radioactivity was intersected. In the A3 shear, 45.0 m of total composite mineralization including 0.95 m of off-scale radioactivity was intersected. In the A4 shear, 2.5 m of total composite mineralization including 0.35 m of off-scale radioactivity was intersected. In the A5 shear 1.0 m of continuous mineralization was intersected. The hole was terminated at 884.5 m.
GAR-17-005
GAR-17-005 was the fifth hole drilled in the geotechnical segment of the Pre-Feasibility Study. The hole was collared from surface at an angled orientation (-70°) to the northeast (80° azimuth). The purpose was to provide data on the geotechnical and hydrogeological characteristics of the Arrow Deposit host rocks and overburden. Strongly bleached Athabasca Group sandstone was intersected from 93.3 m to the unconformity at 109.8 m. Basement lithologies consisted largely of semi-pelitic gneiss to granofel and relatively narrow intervals of pelitic gneiss and mylonite. Anomalous radioactivity was intersected in association with stringers, disseminated, and fracture-controlled pitchblende mineralization. A total composite mineralization of 7.5 m was intersected within a 217.0 m section (488.0 m to 705.0 m). In the A1 shear, 7.0 m of composite mineralization was intersected. In addition, 0.5 m of composite mineralization was intersected to the northwest of the A1 shear. The hole was terminated at 752.4 m.
SOUTH ARROW
AR-17-170c1
Hole AR-17-170c1 was a directional hole collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 45 m down-dip from AR-17-166c1. Directional drilling was initiated at 139 m and the mineralized horizons were intersected at an inclination of -67°. The hole intersected Devonian-aged sandstone between 82.2 m and 92.8 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated and fracture-hosted pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 12.0 m including 0.5 m of off-scale radioactivity (>10,000 to 26,000 cps) was intersected between 243.0 m and 258.0 m. The hole was terminated at 420.0 m.
AR-17-172c1
Hole AR-17-172c1 was a directional hole collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m northeast of AR-17-160c1. The targeted horizons were intersected at an inclination of -66.5°. The hole intersected Devonian-aged sandstone between 87.0 m and 99.4 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated and fracture-hosted pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 13.0 m including 0.1 m of off-scale radioactivity (>10,000 to 12,700 cps) was intersected between 193.5 m and 325.0 m. The hole was terminated at 423.0 m.
AR-17-173c1
Hole AR-17-173c1 was collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 245 m southwest of AR-17-166c1. The targeted horizons were intersected at an inclination of -65.5°. The hole intersected Devonian-aged sandstone between 77.6 m and 87.0 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole was terminated at 336.0 m.
AR-17-174c1
Hole AR-17-174c1 was a directional hole collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m northeast of AR-17-163c1. Directional drilling was initiated at 124 m and the mineralized horizons were intersected at an inclination of -67.5°. The hole intersected Devonian-aged sandstones between 87.0 m and 98.9 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected visible disseminated, fracture-hosted and vein-style pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 35.0 m including 0.15 m of off-scale radioactivity (>10,000 to 26,600 cps) was intersected between 225.5 and 387.0 m. The hole was terminated at 441.0 m.
AR-17-174c2
Hole AR-17-174c2 was a directional hole that departed pilot hole AR-17-174c1 at 124 m. It was designed to test South Arrow 50 m below the lower mineralized zone intersected in AR-17-174c1. Directional drilling was initiated at 139 m and the mineralized horizons were intersected at an inclination of -74°. Basement lithologies were intersected from the top of the hole that included semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected visible disseminated and fracture-hosted pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 32.5 m was intersected between 220.5 m and 454.5 m. The hole was terminated at 510 m.
AR-17-175c1
Hole AR-17-175c1 was a directional hole collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was an exploration hole designed to test South Arrow 75 m down-dip from AR-17-173c1. Directional drilling was initiated at 109 m and the mineralized horizons were intersected at an inclination of -69°. The hole intersected Devonian-aged sandstone between 78.0 m and 85.2 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole was terminated at 416.0 m.
AR-17-177c1
Hole AR-17-177c1 was collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m southwest of AR-17-166c1. The mineralized horizons were intersected at an inclination of -65°. The hole intersected Devonian-aged sandstone between 82.0 m and 92.8 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated and fracture-hosted pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 3.5 m was intersected between 192.0 m and 195.5 m. The hole was terminated at 390.0 m.
AR-17-178c1
Hole AR-17-178c1 was collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 45 m up-dip from AR-17-172c1. The mineralized horizons were intersected at an inclination of -69°. The hole intersected Devonian-aged sandstone between 86.2 m and 99.0 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated and fracture-hosted pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 7.5 m including 1.85 m of off-scale radioactivity (>10,000 to >61,000 cps) was intersected between 149.0 m and 317.5 m. The hole was terminated at 381.0 m.
AR-17-180c1
Hole AR-17-180c1 was a directional hole collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 45 m below AR-17-177c1. The mineralized horizons were intersected at an inclination of -64°. The hole intersected Devonian-aged sandstone between 81.3 m and 90.6 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 0.5 m was intersected between 247.5 m and 248.0 m. The hole was terminated at 384.0 m.
AR-17-181c1
Hole AR-17-181c1 was a directional drill hole collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m below the lower mineralized zone intersected in AR-17-174c2. Directional drilling was initiated at 135 m and the mineralized horizons were intersected at an inclination of -68°. The hole intersected Devonian-agedsandstone between 83.5 m and 86.3 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated pitchblende mineralization in close association with deformation and hydrothermal alteration. A total composite mineralization of 6.5 m was intersected between 372.0 m and 526.0 m. The hole was terminated at 576.0 m.
AR-17-182c1
Hole AR-17-182c1 was collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m northeast of AR-17-178c1. The mineralized horizons were intersected at an inclination of -65.5°. The hole intersected Devonian-aged sandstone between 92.9 m and 102.9 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated pitchblende in close association with deformation and hydrothermal alteration. A total composite mineralization of 4.5 m was intersected between 130.5 m and 274.0 m. The hole was terminated at 349.0 m.
AR-17-184c1
Hole AR-17-184c1 was collared from surface at an angled orientation (-68°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m up-dip from AR-17-177c1. The mineralized horizons were intersected at an inclination of -69°. The hole intersected Devonian-aged sandstone between 83.2 m and 93.1 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated and vien-style pitchblende in close association with deformation and hydrothermal alteration. A total composite mineralization of 11.0 m including 0.5 m of off-scale radioactivity (>10,000 to 21,000 cps) was intersected between 134.0 m and 145.0 m. The hole was terminated at 360.0 m.
AR-17-185c1
Hole AR-17-185c1 was collared from surface at an angled orientation (-80°) to the northwest (315° azimuth). It was designed to test South Arrow 50 m up-dip from AR-17-182c1 at the unconformity. The mineralized horizons were intersected at an inclination of -82°. The hole intersected Devonian-aged sandstone between 83.0 m and 95.8 m. Basement lithologies consisted of semi-pelitic gneiss and orthogneiss of variable composition. Several broad deformation zones were encountered throughout. Extensive zones of hydrothermal alteration were also intersected which generally consisted of replacement- and hydrothermal breccia-style clay, chlorite and silicification. The hole intersected disseminated and vein-style pitchblende in close association with deformation and hydrothermal alteration. A total composite mineralization of 0.5 m was intersected between 258.0 m and 258.5 m. The hole was terminated at 424.0 m.
Source: NexGen Energy Ltd.
