Ministry of Energy, Northern Development and Mines
Permanent Link to this Record: MDI52O08SW00003Deposit Name(s) | Ohman Trench Area No. 3 - 1987, Little Ochig Lake #2 - 1988 |
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Related Deposit Type | None |
Deposit Status | occurrence |
Date Created | 1990-Nov-29 |
Date Last Modified | 2020-Jun-16 |
Created By | Q Unknown |
Revised By | T Pettigrew |
Primary Commodities: gold
Township or Area: Little Ochig Lake Area
Latitude: 51° 18' 37.73" Longitude: -90° 20' 10.52"
UTM Zone: 15 Easting: 685649 Northing: 5687722 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 52O08SW
Point Location Description: Sample location 8230 on map in Assessment report 52O08SE0027
Location Method: based on assessment
Source Map: EMR 1976 PICKLE LAKE - EDITION
Sources Map Scale: 1:25 000
Access Description: This occurrence is located about 20 km south-southwest of Pickle Lake. It is exposed in a trench on the west shore of a small pond, 1.1 km southeast of the south end of Little Ochig Lake. Access to this occurrence is by helicopter or by appropriately equipped aircraft to Little Ochig Lake and then a traverse overland.
1987: Power Explorations Inc. conducted ground mag and EM surveys over a claim group covering this occurrence. 1988: Power Explorations Inc. did geological mapping, lithogeochemical sampling and trenching on their claim group. The occurrence was discovered during this time. 1988-89: Power Explorations Inc., in joint venture with Champion Gold Resources Inc., completed a 32-hole, 3318.17 m, diamond-drilling program on a claim group covering this occurrence, including 1 DDH totalling 126 m on this showing.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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52O08SW-0029 | 52O08SW0002 | Open |
2.12145 | 52O08SE0027 | Open |
2.10984 | 52O08SW0008 | Open |
Province: Superior
Subprovince: Uchi
Belt: Meen-dempster
Geological Age: Neoarchean
Tectonic Assemblage: Confederation
Rock Type | Rank | Composition | Texture | Relationship |
---|---|---|---|---|
vein | 1 | quartz | contains | |
felsic intrusive | 2 | qtz vein in shear zone | shear zone | host |
mafic metavolcanics | 3 | near |
12/17/1996 (B Nelson) - This occurrence is a quartz vein occupying a shear fracture, in a narrow felsic sill which cuts pillowed mafic metavolcanics.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Habit Description |
---|---|---|---|---|---|---|---|
1 | pyrite | economic | ore | ||||
2 | pyrrhotite | economic | ore | ||||
3 | chalcopyrite | economic | ore |
12/17/1996 (B Nelson) - A grab sample of the quartz vein returned 1374 pb Au.
12/17/1996 (B Nelson) - Not known.
Rank | Classification |
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1 | lode (gold) |
Rank | Characteristic |
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1 | vein |
Publication - Mineral Deposits of the Central Portion of the Uchi Subprovince, p. 371-372
Publication Number: OFR5869 Date: 1993
Author: Seim, G.W.
Publisher Name: OGS
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For detailed information regarding this mineral deposit please contact the Thunder Bay North Resident Geologist District Office