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VANCOUVER, July 25, 2017 /CNW/ - NexGen Energy Ltd. ("NexGen" or the "Company") (TSX:NXE, NYSEMKT:NXE) is pleased to report final assay results for the winter 2017 drilling program at our 100% owned, Rook I property, Athabasca Basin, Saskatchewan.
A3 Shear Expansion Drilling
Step-out hole AR-17-136c2 which intersected a new area of semi-massive to massive pitchblende mineralization in the A3 shear has returned high grade assays. This high grade uranium mineralization was intersected 40 m outside the current resource, and 70 m outside the current A3 High Grade Domain.
Southwest Gap Area
First pass drill testing of the Southwest Gap intersected numerous lenses of high grade uranium mineralization that has connected the 180 m Southwest area with the Arrow Deposit. The Southwest Gap represents a material resource expansion opportunity as it was not included in the March 2017 updated mineral resource estimate.
Southeast of Arrow Drilling
Highly anomalous uranium values have been intersected in the first two holes to test an Arrow-parallel structure 300 m southeast of the Arrow Deposit. Importantly, this mineralization is located on a completely separate conductor than the one that hosts the Arrow Deposit and it is the first time uranium mineralization has been encountered on this conductor. Both holes were targeting a large 3D resistivity anomaly with a similar size and intensity as the large 3D anomaly that is associated with Arrow. Hole RK-17-118w1, which intersected a narrow zone of visible pitchblende mineralization returned 0.25 m at 0.09% U3O8. Follow-up drilling in this newly identified and highly prospective area has been prioritized and is currently underway.
Arrow, Activities & Financial
Longitudinal sections and maps showing drill hole locations are shown in Figures 1 to 4. Tables 1 and 2 show complete assay results for holes included herein.
Figure 1: A3 Mineralized Long Section
Figure 2: Arrow Deposit Schematic Long Section
Figure 3: Arrow Hole Locations
Figure 4: Exploration Drill Hole Locations
Garrett Ainsworth, Vice-President, Exploration and Development, commented: "This last batch of drill hole assays from the winter 2017 program have confirmed previously released radioactivity results with strong grades over wide intervals, which will add to the existing Mineral Resource Estimate which was only based on drilling up to the end of 2016. The Arrow Deposit remains open in most directions with significant potential for both Inferred growth as well as rapid conversion to Indicated."
Leigh Curyer, Chief Executive Officer, commented: "These final winter 2017 assays confirm Arrow is still wide open for material expansion within and outside the current area of mineralization. The maiden PEA is due imminently which will not include any of the results from winter or summer 2017 drilling. With closing the CEF financing, NexGen is in a very strong position to optimize Arrow and deliver it as a leading resource project."
| Table 1: Arrow Deposit Assay Results | ||||||||
| Drill Hole | Athabasca Group - | SRC Geoanalytical Results | ||||||
| Hole ID | Azimuth | Dip | Total | From (m) | To (m) | Interval | U3O8 (wt%) | |
| AR-17-122 | 147 | -70 | 381.50 | 96.10 | 224.00 | 227.00 | 3.00 | 0.01 |
| 235.50 | 253.00 | 17.50 | 0.10 | |||||
| 240.50 | 246.00 | 5.50 | 0.25 | |||||
| AR-17-123c1 | 147 | -70 | 906.50 | 101.50 | 671.00 | 675.50 | 4.50 | 0.05 |
| 685.00 | 688.50 | 3.50 | 0.02 | |||||
| 708.00 | 708.50 | 0.50 | 0.13 | |||||
| 725.00 | 727.50 | 2.50 | 0.07 | |||||
| 730.50 | 733.50 | 3.00 | 0.09 | |||||
| 830.00 | 831.00 | 1.00 | 0.24 | |||||
| AR-17-123c2 | 147 | -70 | 864.50 | 101.50 | 650.00 | 658.00 | 8.00 | 0.10 |
| 668.50 | 670.00 | 1.50 | 1.91 | |||||
| 675.00 | 676.00 | 1.00 | 0.25 | |||||
| 680.50 | 684.00 | 3.50 | 0.21 | |||||
| 687.00 | 688.00 | 1.00 | 0.41 | |||||
| 707.00 | 720.50 | 13.50 | 0.35 | |||||
| 725.50 | 742.00 | 16.50 | 0.32 | |||||
| 753.50 | 754.00 | 0.50 | 0.13 | |||||
| 760.50 | 765.50 | 5.00 | 0.02 | |||||
| 778.00 | 779.50 | 1.50 | 0.02 | |||||
| 784.50 | 791.00 | 6.50 | 0.16 | |||||
| 824.50 | 825.00 | 0.50 | 0.01 | |||||
| 833.00 | 835.00 | 2.00 | 0.06 | |||||
| 837.50 | 838.00 | 0.50 | 0.01 | |||||
| 843.50 | 844.50 | 1.00 | 0.06 | |||||
| 847.50 | 852.00 | 4.50 | 0.05 | |||||
| AR-17-123c3 | 147 | -70 | 984.50 | 101.50 | 648.00 | 651.00 | 3.00 | 0.01 |
| 653.50 | 654.50 | 1.00 | 1.79 | |||||
| 657.00 | 662.00 | 5.00 | 0.14 | |||||
| 665.00 | 671.00 | 6.00 | 0.36 | |||||
| 680.50 | 683.00 | 2.50 | 0.07 | |||||
| 686.50 | 688.50 | 2.00 | 0.04 | |||||
| 694.00 | 761.00 | 67.00 | 0.17 | |||||
| incl. | 699.00 | 714.00 | 15.00 | 0.38 | ||||
| 783.00 | 784.00 | 1.00 | 0.09 | |||||
| 794.00 | 797.50 | 3.50 | 0.02 | |||||
| 803.50 | 804.00 | 0.50 | 0.03 | |||||
| 816.00 | 818.00 | 2.00 | 0.04 | |||||
| 836.00 | 838.50 | 2.50 | 0.03 | |||||
| 848.00 | 848.50 | 0.50 | 0.07 | |||||
| 881.50 | 884.50 | 3.00 | 0.09 | |||||
| 944.00 | 945.50 | 1.50 | 0.02 | |||||
| AR-17-123c4 | 147 | -70 | 864.50 | 101.50 | 660.00 | 667.50 | 7.50 | 0.16 |
| 672.50 | 680.50 | 8.00 | 0.70 | |||||
| 683.50 | 707.50 | 24.00 | 0.42 | |||||
| 710.50 | 737.50 | 27.00 | 0.36 | |||||
| 740.50 | 754.50 | 14.00 | 0.76 | |||||
| 757.50 | 760.00 | 2.50 | 0.25 | |||||
| 790.00 | 790.50 | 0.50 | 0.02 | |||||
| 829.00 | 829.50 | 0.50 | 0.19 | |||||
| 842.50 | 843.00 | 0.50 | 0.03 | |||||
| AR-17-124 | 147 | -70 | 411.00 | 93.40 | No Significant Intersections | |||
| AR-17-125 | 327 | -70 | 417.00 | N/A | 232.50 | 249.00 | 16.50 | 0.23 |
| 246.50 | 249.00 | 2.50 | 0.98 | |||||
| AR-17-128 | 327 | -70 | 357.00 | N/A | 194.00 | 200.00 | 6.00 | 0.43 |
| incl. | 195.50 | 198.00 | 2.50 | 1.00 | ||||
| 213.00 | 218.00 | 5.00 | 0.65 | |||||
| incl. | 215.00 | 217.50 | 2.50 | 1.27 | ||||
| AR-17-129c1 | 327 | -70 | 1074.50 | N/A | 670.00 | 671.00 | 1.00 | 1.65 |
| 763.50 | 773.00 | 9.50 | 0.39 | |||||
| 779.00 | 783.00 | 4.00 | 0.88 | |||||
| 791.00 | 794.50 | 3.50 | 0.98 | |||||
| 801.50 | 808.50 | 7.00 | 1.15 | |||||
| 801.50 | 802.00 | 0.50 | 13.10 | |||||
| 812.00 | 814.50 | 2.50 | 0.21 | |||||
| 819.50 | 823.50 | 4.00 | 0.10 | |||||
| 831.50 | 833.50 | 2.00 | 0.04 | |||||
| 838.50 | 840.00 | 1.50 | 0.01 | |||||
| 845.00 | 847.50 | 2.50 | 0.02 | |||||
| 851.00 | 853.50 | 2.50 | 0.02 | |||||
| 894.50 | 896.00 | 1.50 | 2.18 | |||||
| 899.00 | 905.50 | 6.50 | 1.37 | |||||
| incl. | 899.00 | 901.00 | 2.00 | 4.18 | ||||
| 913.50 | 923.50 | 10.00 | 0.48 | |||||
| 939.50 | 940.00 | 0.50 | 0.02 | |||||
| 982.00 | 982.50 | 0.50 | 0.07 | |||||
| 987.50 | 999.50 | 12.00 | 0.07 | |||||
| 1005.50 | 1007.00 | 1.50 | 0.02 | |||||
| AR-17-129c2 | 327 | -70 | 1002.50 | N/A | 603.50 | 604.00 | 0.50 | 0.04 |
| 641.00 | 642.00 | 1.00 | 0.08 | |||||
| 653.00 | 657.00 | 4.00 | 0.48 | |||||
| 664.50 | 667.00 | 2.50 | 0.20 | |||||
| 671.50 | 672.00 | 0.50 | 0.20 | |||||
| 691.00 | 693.50 | 2.50 | 0.19 | |||||
| 698.50 | 702.00 | 3.50 | 2.19 | |||||
| 720.00 | 721.50 | 1.50 | 0.22 | |||||
| 726.50 | 727.50 | 1.00 | 0.02 | |||||
| 757.50 | 758.50 | 1.00 | 6.39 | |||||
| 780.00 | 799.00 | 19.00 | 0.05 | |||||
| 805.00 | 812.00 | 7.00 | 0.05 | |||||
| 822.50 | 824.00 | 1.50 | 0.03 | |||||
| 831.00 | 832.00 | 1.00 | 0.13 | |||||
| 850.50 | 867.50 | 17.00 | 0.16 | |||||
| 873.00 | 876.50 | 3.50 | 0.34 | |||||
| 893.00 | 894.00 | 1.00 | 0.21 | |||||
| 977.00 | 977.50 | 0.50 | 0.06 | |||||
| 984.50 | 985.50 | 1.00 | 0.18 | |||||
| 994.50 | 995.50 | 1.00 | 0.12 | |||||
| AR-17-129c3 | 327 | -70 | 981.50 | N/A | 693.50 | 694.00 | 0.50 | 0.02 |
| 796.50 | 797.00 | 0.50 | 0.05 | |||||
| 807.50 | 808.00 | 0.50 | 0.19 | |||||
| 811.00 | 812.00 | 1.00 | 1.15 | |||||
| 815.50 | 817.50 | 2.00 | 0.81 | |||||
| 825.00 | 838.00 | 13.00 | 0.65 | |||||
| 841.50 | 844.00 | 2.50 | 0.04 | |||||
| 848.00 | 848.50 | 0.50 | 0.02 | |||||
| 852.00 | 854.50 | 2.50 | 0.07 | |||||
| 862.00 | 864.00 | 2.00 | 0.02 | |||||
| 872.50 | 873.00 | 0.50 | 0.07 | |||||
| 875.50 | 880.50 | 5.00 | 0.10 | |||||
| 897.50 | 898.00 | 0.50 | 0.12 | |||||
| 917.50 | 918.50 | 1.00 | 0.15 | |||||
| 929.00 | 941.50 | 12.50 | 1.08 | |||||
| 952.50 | 953.00 | 0.50 | 0.16 | |||||
| AR-17-129c4 | 327 | -70 | 1023.50 | N/A | 611.50 | 613.00 | 1.50 | 0.48 |
| 651.00 | 651.50 | 0.50 | 2.84 | |||||
| 654.50 | 655.00 | 0.50 | 0.98 | |||||
| 689.00 | 690.00 | 1.00 | 2.26 | |||||
| 742.00 | 744.00 | 2.00 | 0.19 | |||||
| 766.00 | 768.00 | 2.00 | 1.86 | |||||
| 775.50 | 776.00 | 0.50 | 0.01 | |||||
| 781.00 | 787.00 | 6.00 | 0.04 | |||||
| 798.50 | 813.50 | 15.00 | 0.07 | |||||
| 826.00 | 827.50 | 1.50 | 0.03 | |||||
| 831.00 | 834.50 | 3.50 | 0.02 | |||||
| 839.00 | 839.50 | 0.50 | 0.04 | |||||
| 846.00 | 847.50 | 1.50 | 0.03 | |||||
| 851.50 | 853.00 | 1.50 | 0.03 | |||||
| 879.50 | 880.00 | 0.50 | 0.02 | |||||
| 884.00 | 887.00 | 3.00 | 0.02 | |||||
| 892.00 | 894.00 | 2.00 | 0.03 | |||||
| 914.50 | 916.50 | 2.00 | 0.14 | |||||
| 932.00 | 932.50 | 0.50 | 0.07 | |||||
| 952.00 | 952.50 | 0.50 | 0.17 | |||||
| 984.00 | 985.00 | 1.00 | 0.30 | |||||
| AR-17-130 | 327 | -70 | 321.00 | N/A | 181.50 | 183.00 | 1.50 | 1.03 |
| AR-17-131c1 | 147 | -70 | 857.50 | 100.50 | 659.50 | 660.00 | 0.50 | 4.81 |
| 677.00 | 677.50 | 0.50 | 0.03 | |||||
| 785.00 | 785.50 | 0.50 | 0.15 | |||||
| AR-17-131c2 | 147 | -70 | 963.50 | 100.50 | 562.50 | 563.00 | 0.50 | 0.01 |
| 661.50 | 662.00 | 0.50 | 0.02 | |||||
| 671.00 | 674.50 | 3.50 | 0.04 | |||||
| 685.50 | 687.00 | 1.50 | 0.04 | |||||
| 718.00 | 718.50 | 0.50 | 0.03 | |||||
| 749.00 | 749.50 | 0.50 | 0.18 | |||||
| 752.00 | 754.00 | 2.00 | 0.28 | |||||
| 759.50 | 760.50 | 1.00 | 0.14 | |||||
| 765.50 | 769.00 | 3.50 | 0.40 | |||||
| 771.50 | 775.50 | 4.00 | 0.03 | |||||
| 788.50 | 793.50 | 5.00 | 0.01 | |||||
| 821.50 | 822.00 | 0.50 | 0.06 | |||||
| 828.50 | 829.00 | 0.50 | 0.46 | |||||
| 857.00 | 858.00 | 1.00 | 0.15 | |||||
| 869.50 | 870.50 | 1.00 | 0.36 | |||||
| 927.00 | 927.50 | 0.50 | 0.02 | |||||
| AR-17-131c3 | 147 | -70 | 1029.50 | 100.50 | 646.00 | 667.50 | 21.50 | 2.51 |
| incl. | 649.50 | 656.50 | 7.00 | 4.68 | ||||
| 670.50 | 680.50 | 10.00 | 0.23 | |||||
| 711.50 | 712.00 | 0.50 | 0.02 | |||||
| 724.50 | 725.50 | 1.00 | 0.04 | |||||
| 763.50 | 768.50 | 5.00 | 0.07 | |||||
| 772.50 | 774.50 | 2.00 | 0.05 | |||||
| 777.50 | 785.50 | 8.00 | 0.04 | |||||
| 803.50 | 809.50 | 6.00 | 0.09 | |||||
| 816.50 | 823.00 | 6.50 | 0.05 | |||||
| 844.00 | 844.50 | 0.50 | 0.02 | |||||
| 865.00 | 865.50 | 0.50 | 0.02 | |||||
| 881.00 | 881.50 | 0.50 | 0.05 | |||||
| 892.50 | 893.00 | 0.50 | 0.02 | |||||
| 897.00 | 898.50 | 1.50 | 0.02 | |||||
| 908.00 | 923.50 | 15.50 | 0.04 | |||||
| 933.50 | 943.00 | 9.50 | 0.03 | |||||
| 946.50 | 947.50 | 1.00 | 0.02 | |||||
| 952.00 | 952.50 | 0.50 | 0.08 | |||||
| 959.50 | 961.00 | 1.50 | 0.02 | |||||
| 976.00 | 977.00 | 1.00 | 0.03 | |||||
| 982.50 | 984.00 | 1.50 | 0.02 | |||||
| AR-17-131c4 | 147 | -70 | 1044.50 | 100.50 | 647.00 | 667.50 | 20.50 | 0.17 |
| 670.50 | 684.00 | 13.50 | 0.11 | |||||
| 689.00 | 689.50 | 0.50 | 0.11 | |||||
| 698.50 | 699.00 | 0.50 | 0.01 | |||||
| 736.00 | 750.00 | 14.00 | 0.14 | |||||
| 753.00 | 753.50 | 0.50 | 0.02 | |||||
| 768.00 | 771.50 | 3.50 | 0.08 | |||||
| 784.50 | 786.50 | 2.00 | 0.18 | |||||
| 805.50 | 828.00 | 22.50 | 1.67 | |||||
| 833.00 | 833.50 | 0.50 | 0.15 | |||||
| 839.00 | 839.50 | 0.50 | 0.08 | |||||
| 856.50 | 857.00 | 0.50 | 0.06 | |||||
| 876.50 | 877.00 | 0.50 | 0.07 | |||||
| 942.50 | 945.00 | 2.50 | 0.06 | |||||
| 989.00 | 990.00 | 1.00 | 0.04 | |||||
| AR-17-132 | 327 | -70 | 232.00 | N/A | No Significant Intersections | |||
| AR-17-134 | 327 | -70 | 401.00 | 102.50 | 232.00 | 239.00 | 7.00 | 0.15 |
| AR-17-135 | 327 | -70 | 285.00 | 102.40 | No Significant Intersections | |||
| AR-17-136c1 | 327 | -70 | 567.00 | 128.40 | 432.50 | 435.50 | 3.00 | 0.04 |
| 441.50 | 444.00 | 2.50 | 0.39 | |||||
| 450.50 | 451.50 | 1.00 | 0.31 | |||||
| 475.50 | 476.50 | 1.00 | 0.91 | |||||
| 485.50 | 498.50 | 13.00 | 0.29 | |||||
| AR-17-136c2 | 327 | -70 | 849.00 | 128.40 | 399.50 | 410.00 | 10.50 | 0.08 |
| 414.00 | 416.00 | 2.00 | 0.23 | |||||
| 429.50 | 432.50 | 3.00 | 0.10 | |||||
| 436.50 | 441.00 | 4.50 | 1.07 | |||||
| 446.50 | 460.00 | 13.50 | 9.58 | |||||
| incl. | 451.00 | 456.00 | 5.00 | 23.49 | ||||
| 539.50 | 551.00 | 11.50 | 0.32 | |||||
| 554.00 | 554.50 | 0.50 | 0.07 | |||||
| 614.50 | 615.00 | 0.50 | 0.07 | |||||
| 752.00 | 756.00 | 4.00 | 0.53 | |||||
| 767.00 | 768.50 | 1.50 | 0.07 | |||||
| 803.50 | 804.00 | 0.50 | 0.05 | |||||
| 819.50 | 820.00 | 0.50 | 0.01 | |||||
| AR-17-137 | 327 | -70 | 366.00 | N/A | No Significant Intersections | |||
| AR-17-139 | 327 | -70 | 321.00 | N/A | No Significant Intersections | |||
| AR-17-140 | 327 | -70 | 477.00 | 108.60 | 260.00 | 263.50 | 3.50 | 0.04 |
| AR-17-141 | 327 | -70 | 330.00 | N/A | No Significant Intersections | |||
| AR-17-142 | 327 | -70 | 348.00 | N/A | No Significant Intersections | |||
| AR-17-143c1 | 147 | -70 | 852.50 | 104.90 | 620.00 | 621.00 | 1.00 | 0.12 |
| 629.00 | 631.50 | 2.50 | 0.02 | |||||
| 634.00 | 634.50 | 0.50 | 0.06 | |||||
| 663.00 | 678.50 | 15.50 | 1.09 | |||||
| 681.50 | 682.50 | 1.00 | 3.52 | |||||
| 686.00 | 686.50 | 0.50 | 1.42 | |||||
| 703.50 | 706.00 | 2.50 | 0.26 | |||||
| AR-17-144c1 | 327 | -70 | 801.00 | 112.90 | 460.00 | 461.00 | 1.00 | 0.04 |
| 497.50 | 503.00 | 5.50 | 0.03 | |||||
| 508.00 | 509.00 | 1.00 | 0.02 | |||||
| 512.00 | 514.50 | 2.50 | 0.06 | |||||
| 531.50 | 534.00 | 2.50 | 0.17 | |||||
| 537.00 | 539.00 | 2.00 | 0.34 | |||||
| 544.00 | 558.00 | 14.00 | 1.15 | |||||
| 563.00 | 564.00 | 1.00 | 0.02 | |||||
| 578.00 | 602.00 | 24.00 | 0.69 | |||||
| 614.50 | 617.00 | 2.50 | 0.11 | |||||
| AR-17-144c2 | 327 | -70 | 723.50 | 112.90 | 468.50 | 472.50 | 4.00 | 0.04 |
| 492.50 | 522.50 | 30.00 | 0.19 | |||||
| 532.50 | 537.00 | 4.50 | 0.94 | |||||
| 541.00 | 542.50 | 1.50 | 0.17 | |||||
| 605.50 | 606.00 | 0.50 | 0.20 | |||||
| 625.50 | 626.50 | 1.00 | 0.20 | |||||
| 632.50 | 633.50 | 1.00 | 0.12 | |||||
| 639.00 | 641.50 | 2.50 | 0.07 | |||||
| 644.50 | 645.50 | 1.00 | 0.12 | |||||
| 650.00 | 655.50 | 5.50 | 0.48 | |||||
| AR-17-145 | 327 | -70 | 315.00 | N/A | No Significant Intersections | |||
Parameters:
Table 2: Exploration Hole Assay Results
| Drill Hole | Athabasca Group - | SRC Geoanalytical Results | ||||||
| Hole ID | Azimuth | Dip | Total | From (m) | To (m) | Interval | U3O8 (wt%) | |
| RK-17-114 | 140 | -70 | 708.00 | 121.00 | No Significant Intersections | |||
| RK-17-115 | 327 | -70 | 817.00 | 107.00 | No Significant Intersections | |||
| RK-17-116 RK-17-117 | 327 | -70 | 810.50 | 113.80 | No Significant Intersections | |||
| 320 | -70 | 801.50 | N/A | No Significant Intersections | ||||
| RK-17-117w1 | 320 | -70 | 776.50 | N/A | No Significant Intersections | |||
| RK-17-118 | 327 | -70 | 1074.50 | N/A | 375.50 | 376.00 | 0.50 | 0.01 |
| 437.00 | 437.50 | 0.50 | 0.01 | |||||
| 512.50 | 513.00 | 0.50 | 0.01 | |||||
| RK-17-118w1 | 327 | -70 | 855.50 | N/A | 412.50 | 413.00 | 0.50 | 0.01 |
| 490.75 | 491.00 | 0.25 | 0.09 | |||||
| RK-17-119 | 147 | -68 | 933.50 | N/A | No Significant Intersections | |||
Parameters:
About NexGen
NexGen is a British Columbia corporation with a focus on the acquisition, exploration and development of Canadian uranium projects. NexGen has a highly experienced team of uranium industry professionals with a successful track record in the discovery of uranium deposits and in developing projects through discovery to production.
NexGen owns a portfolio of prospective uranium exploration assets in the Athabasca Basin, Saskatchewan, Canada, including a 100% interest in Rook I, location of the Arrow Discovery in February 2014 and Bow Discovery in March 2015 and the Harpoon discovery in August 2016. The Arrow deposit's updated mineral resource estimate with an effective date of December 20, 2016 was released in March 2017, and comprised 179.5 M lbs U3O8 contained in 1.18 M tonnes grading 6.88% U3O8 in the indicated mineral resource category and an additional 122.1 M lbs U3O8 contained in 4.25 M tonnes grading 1.30% U3O8 in the inferred mineral resource category.
