- SMDI #
- 2751
- Current Showing Name
- Drill holes Q11A-006, Q11A-023 and Q11A-025
- Historical Showing Names
- Drill holes Q11A-006, Q11A-023 and Q11A-025
- Company Name
- Project Name
- UTM Easting (NAD83 Z13)
- 554658.9300
- UTM Northing (NAD83 Z13)
- 6444549.3800
- NTS Sheet
- 074I01
- TRM (Township-Range-Meridian)
- 105-13-2
- Primary Commodities
- Uranium
- Associated Commodities
- Arsenic, Cobalt, Copper, Lead, Nickel, Zinc
- Discovery Type
- Drillhole
- Status
- Prospect: Primary Exploration
- Geological Details
- The showing or drill hole Q11A-23 is located 0.3 km (0.18 mile) east of the northeast shore of an unnamed lake that is 6.03 km (3.75 miles) east of the northeast tip of Thompson Lake. The showing is located 4.03 km (2.5 miles) northwest of SMDI 2717 or drill hole SOD-229. Drill hole Q11A-23 was collared at Q11-A grid coordinates 32+00E and 12+61S - approximately 33 m (108.3 ft) grid north of mineralized drill hole Q11A-006.
In the showing area, 15.9 m (52.2 ft) of glacial overburder covers the Helikian Athabasca Group Manitou Falls Formation. The 13.9 m (45.6 ft) thick Manitou Falls C Formation (MFc), which immediately underlies the overburden, consists of a weakly to moderately bleached series of sandstone beds that exhibit quartz dissolution, moderate limonitic liesegand rings, and interstitial limonite. This is underlain by 186.9 m (613.2 ft) of Manitou Falls B Formation (MFb) or moderately to strongly bleached, weakly to strongly silicified, structurally disrupted (limonite filled fractures). Clay and brick red hematite altered sandstone. The unconformity occurs at 216.70 m to 216.71 m. The basal sandstone is strongly hydrothermally altered and exhibits moderate to strong silicification, minor grey pyritic alteration, and strong brick red hematite alteration. Near the unconformity, the sandstones exhibit weak bleaching and fracturing.
The Manitou Falls B Formation (MFb) is unconformably underlain by a series of bands of Wollaston Domain, moderately to shrongly hydrothermally bleached, moderately to strongly clay altered (biotite), chloritized, quartz depleted, weakly to strongly limonitized and hematized (brick red), locally feldspar porphyroblastic, weakly- to well-foliated graphitic meta-semipleite and semipelite (graphitic quartz-feldspar-biotite±amphibole gneiss) that are separated by 5.5 m to 20.0 m (16.4 ft to 65.7 ft) thick intervals of moderately to strongly hydrothermally bleached coarse-grained pegmatite.
The uranium mineralization, which straddles the unconformity, occurs as sooty black pitchblende within limonitic fractures and as aggregated pitchblende blebs proximal to limonitized fractures in hydrothermally altered, limonitized and hematized basement pelites. The pitchblendde occurs in association with minor pyrite, chalcopyrite, and nickel arsendie minerals. The better drill intersections include:
DRILLHOLE INTERSECTION WIDTH PCT PPM PPM PPM PPM INTERSECTION
NUMBER (M) (M) U3O8 PB NI CU ZN DESCRIPTION
____________________________________________________________________________
Q11A-006 212.0 - 212.5 2.5 0.374 104 26 --- --- sandstone
214.5 - 216.0 1.5 0.414 267 28 --- --- sandstone
216.0 - 216.5 0.5 0.701 132 114 --- --- sandstone
216.5 - 217.0 0.5 0.282 220 186 --- --- pelite
217.0 - 217.5 0.5 7.400 880 126 --- --- pelite
217.5 - 218.0 0.5 6.330 910 101 --- --- pelite
218.0 - 218.5 0.5 3.330 390 208 --- --- pelite
218.5 - 219.0 0.5 5.630 771 56 --- --- pelite
219.5 - 220.0 0.5 2.140 425 38 --- --- pelite
220.0 - 220.5 0.5 3.770 570 27 --- --- pelite
220.5 - 221.1 0.6 1.960 404 25 --- --- pelite
216.4 - 220.7 4.3 1.570 82 49 --- --- graph pelite
Q11A-023 182.8 - 184.3 1.5 0.202% 36 34 --- --- MFc sandstone
185.8 - 186.8 1.0 0.073% 16 7 2 --- MFc sandstone
187.8 - 188.3 0.5 0.116% 28 11 2 --- MFc sandstone
231.5 - 232.6 1.1 0.042% 595 13400 596 --- sheared peg
Q11A-025 207.8 - 208.3 0.5 0.341% 98 96 1 --- MFb sandstone
208.8 - 209.3 0.5 0.060% 9 22 2 --- MFb sandstone
216.5 - 217.0 0.5 0.256% 5 95 5 --- semipelite
217.5 - 218.0 0.5 0.051% 4 24 1 --- semipelite
220.9 - 221.4 0.5 0.187% 633 3380 49 --- semipelite
221.8 - 222.3 0.5 0.099% 255 8310 48 --- semipelite
224.3 - 224.8 0.5 0.064% 9 199 15 --- semipelite
304.0 - 304.3 0.3 0.052% 49 10 470 48 peg in pelite
- Geological Domain
- Wollaston
- Host Rocks
- Host Minerals
- Arsenopyrite
- Indicators
- Exploration History
- 2/17/2006 In 1968, Gulf Minerals flew an airborne radiometric survey that covered the showing area (AF 64L04-0004). In the following year, they flew airborne EM, magnetic, and radiometric surveys over the showing area (AF 64L04-0005).
In 1983, the showing area was first staked by SMDC as CBS 6449. On 16 May 1882, Asamera converted the claim block to ML 5303. In 1981, Asamera completed boulder sampling on the property (AF 74I-0031). In the following re-processed the data from a 1979 Geoterrex airborne VLF-EM survey (AF 74I-0035), they completed a TURAM survey on the Q-40 grid (AF 74I09-NE-0040), and further boulder sampling on the property (AF 74I-0032),
In May of 1983, ML 5303 was reduced and the showing area was covered by ML 5485. SMDC took over the property. In this year, soil sampling, lake sediment sampling, radon-in-soil sampling, prospecting, and Quaternary mapping were completed (AF 74I-0039). In 1986, SMDC completed drill holes Q11-5 to Q11-11 on the property (AF 74I01-0077). In 1987, SMDC completed DEEPEM surveys on ML 5485 (AF 74I08-0046). Eventually, the mineral lease lapsed and the showing area came open.
On 12 February 1991, Cameco Corporation staked the showing area as S-101715. In this year, a partnership involving Cameco, Cogema Resources, CEGB, and PNC Canada completed a further boulder sample program on the claim (AF 74I01-0083). In 1992, a partnership involving Cameco, Cogema Resources, PNC Canada, CEGB Uranium, and Kepco completed boulder sampling on the Q-11 grid, ground HLEM and TDEM surveys on the Q-11 grid, and drill holes Q11-12 and -13 (AF 74I-0056 and -0057). In the following year, they completed ground TDEM, EM-37 and VLF-R surveys on the Q11A grid (AF 74I-0059). In 1994 the partnership completed ground HLEM, TDEM, EM, and HLEM surveys on the property and drill holes Q11A-4 to -14 (AF 74I01-0084). Drill hole Q11A-06 intersected minor uranium mineralization. Between 1996 and 1997, a partnership involving Cameco, Cogema, PNC Exploration, and Kepco completed ground IP, gravity, magnetic, and TDEM surveys, further boulder sampling, and drill holes Q11A-19 to -22 on the property (AF 74I-0065).
On 16 December 2002, Cameco converted S-101715 to S-107041. Between 2001 and 2002, a partnership involving Cameco Corporation, Cogema Resources Inc., and JCU (Canada) Exploration Ltd. Completed a ground TDEM survey on grid Q11A-G1A and G1b and drill holes Q11A-23 to -25 to further test the mineralization encountered by 1994 drill hole Q11A-006 (AF 74I01-NE-0100). Drill hole Q11A-23 encountered the sandstone and basement mineralization that constitutes this showing.
In 2003, Cameco, Cogema, and JCU (Canada) Exploration completed ground TDEM VLF-R, and gravity surveys and drill holes Q11A-0026 to -0030 on grid Q11A-G1, to the east of the showing, to test the east extension of the Q11A mineralized conductor (AF 74I01-0103). No significant mineralization was encountered by this drill program.
- Production History
- Reserves and/or Resources