Ontario Geological Survey
Permanent Link to this Record:
MDI41J07NE00096
Record Name(s) | Banana Lake Prospect - 1966, Gemico Prospect - 1968 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Developed Prospect With Reported Reserves or Resources |
Date Created | 1991-Sep-01 |
Date Last Modified | 2022-Jun-03 |
Created By | |
Revised By |
Primary Commodities: Uranium
Secondary Commodities: Thorium
Township or Area: Bouck, Beange
Latitude: 46° 27' 3.29" Longitude: -82° 41' 24.35"
UTM Zone: 17 Easting: 370200 Northing: 5145537 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 41J07NE
Point Location Description: DDH BL-07-01 from 2013 NI 43-101
Location Method: Based on Assessment
1955-56: Buffalo Uranium Mines Ltd.- 4 d.d. totalling 4016 feet were drilled near the north shore of Banana Lake. 1966-75: Kerr McGee Corp. - Airborne mag, EM, radiometric surveys, 3 d.d. totalling 14,932 feet. 1977-78: Scurry-Rainbow Oil - feasibility studies. 2006: Appia Energy Corp. conducted airborne EM and magnetic surveys. 2007-08: Appia drilled 6 DDH totalling 4344 m.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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BEANGE 0030 | 41J07NE0079 | 41J07NE0079 |
BOUCK 0019 | 41J07NE0057 | 41J07NE0057 |
BOUCK 0014-A1 | 41J07NE0054 | 41J07NE0054 |
BEANGE 0052 | 41J10SW0111 | 41J10SW0111 |
BOUCK 0022 | 41J07NE0052 | 41J07NE0052 |
2.53798 | 20000007962 | 20000007962 |
2.37866 | 20000013503 | 20000013503 |
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Geological Age: Paleoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Conglomerate | 1 | Quartz-Pebble | Host |
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Quartz Arenite | 2 | Hanging Wall |
Oct 22, 2009 (A Wilson) - The mineralization is hosted within zones of quartz-pebble conglomerate of the Matinenda Formation. A uraniferous zone in sediments along the Quirke syncline is thought to be 15,000' x 4,000' x 36'. Diabase intrudes the sedimentary rocks.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Brannerite | Economic | Ore | ||||
2 | Uraninite | Economic | Ore | ||||
3 | Uranothorite | Economic | Ore | ||||
4 | Monazite | Economic | Ore | ||||
5 | Coffinite | Economic | Ore | ||||
6 | Pyrite | Economic | Ore | ||||
7 | Pyrrhotite | Economic | Ore | ||||
8 | Rutile | Economic | Ore | ||||
9 | Magnetite | Economic | Ore | ||||
1 | Zircon | Economic | Gangue |
Oct 22, 2009 (A Wilson) - Assay for DDH 150-2 returned 0.09% U3O8 and 0.01% ThO2 over 1 foot (estimated 0.5 lbs ThO2 over 8 feet). DDH KM-156-5 returned 0.65 lbs U3O8 per ton (0.33 kg/t) over 34 ft (10.4 m). DDH KM-150-5 returned 0.88 lbs U3O8 per ton (0.44 kg/t) over 44 ft (13.4 m). DDH KM-150-2 returned 0.68 lbs U3O8 per ton (0.34 kg/t) over 11 ft (3.4 m)
Jun 03, 2022 (Therese Pettigrew) - Mineralization consists primarily of detrital grains of brannerite and uraninite, together with minor uranothorite, monazite and secondary coffinite associated with pyrite, pyrrhotite, zircon, rutile and Ti-magnetite as interstitial fill in a quartz pebble conglomerate. The main ore mineral is brannerite, containing small inclusions of pyrrhotite and radiogenic galena, and occurring as ovoid, reddish-brown grains associated with bladed rutile surrounded by uranium oxides and rare earth oxides. The second most important ore mineral is uraninite which occurs as black subhedral grains up to 0.1 mm in size containing approximately 6% ThO2 by substitution. Monazite is a lesser ore mineral which contains an unusually high uranium content as inclusions (also uranothorite or thorite) - occurs as rounded to subangular grains typically less than 0.3 mm in diameter. Pyrite content is typically 10-15% of the rock (Robertson, 1981) which only rarely occurs as fracture fillings; also occurs as inclusions in monazite. Uranothorite and coffinite have been identified as minor mineral phases. Non-metallic gangue minerals in the matrix of the conglomerate are represented by quartz, feldspar and sericite. In some mines a dark grey to black hued ore is reported to contain fine grained chlorite. Thucholite, an organo-uranly compound (U-bearing radioactive bitumen), occurs locally as thin laminae and as a void-filling mineral phase within ore zones at Elliot Lake (Workman et al., 2013).
Rank | Classification |
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1 | Paleoplacer |
Rank | Characteristic |
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1 | Stratiform |
Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
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Regular | 4572 | 11 |
Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
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Banana Lake Zone | 2011 | Inferred Mineral Resource | 30315000 | 2013 NI 43-101 | 27,638,000 lb U3O8 contained | Uranium 0.912 g/t |
Gemico (Banana Lake) | 1975 | Unclassified | 159483077 | 2013 NI 43-101 | 175,800,000 tons @ 0.76 lb/t U3O8 | Uranium 345 g/t |
Publication - Update Report on the Appia Energy Corp. Uranium-Rare Earth Property, Elliot Lake District, North-Central Ontario. Canada
Publication Number: 2013 NI 43-101 Date: 2013
Author: Workman, A., Breede, K., Goode, J.
Publisher Name: Watts, Griffis and McOuat for Appia Energy Corp.
Location: SEDAR
Map - Township 156, District of Algoma, Ontario
Publication Number: M2015 Scale: 1:15,840 Date: 1997
Author: Robertson J.A.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Uranium and thorium deposits of northern Ontario
Publication Number: MDC025 Page: 13-14 Date: 1984
Author: Robertson J.A., Gould K.L.
Publisher Name: Ontario Geological Survey
Location:
Map - Township 150, Algoma District
Publication Number: M2114 Scale: 1:15,840 Date: 1967
Author: Abraham E.M., Robertson J.A.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of Township 149 and Township 150, District of Algoma
Publication Number: R057 Page: 147 Date: 1968
Author: Robertson J.A.
Publisher Name: Ontario Dept. of Mines
Location:
Publication - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario
Publication Number: GSC OF 1087 Page: 90 Date: 1985
Author: Rose, D.G.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/129999
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