Mineral Deposit Inventory for Ontario

Ministry of Energy, Northern Development and Mines

Permanent Link to this Record: MDI52O08SW00006

Deposit: MDI52O08SW00006

General

Mineral Deposit Identification
Deposit Name(s) Little Ochig Lake #5 - 1987, Ochig Lake - 1987
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

Commodities

Primary Commodities: gold

Location

Township or Area: Little Ochig Lake Area

Latitude: 51° 17' 45.2"    Longitude: -90° 15' 25.27"

UTM Zone: 15    Easting: 691231   Northing: 5686303    UTM Datum: NAD83

Resident Geologist District: Thunder Bay North

NTS Grid: 52O08SW

Point Location Description: DDH OCH-87-01 from Assessment report 52O08SW0007

Location Method: based on assessment

Source Map: EMR 1976 PICKLE LAKE - EDITION 1

Sources Map Scale: 1:25 000

Access Description: This occurrence is located about 19.5 km south of Pickle Lake and about 1.9 km west of Highway 599. The occurrence was intersected in diamond-drill hole OCH-87-01. Access to this occurrence is by a traverse from the north boundary of the Osnaburgh First Nation Reserve across Highway 599.

Exploration and Mining History

1987: Power Explorations Inc. conducted ground magnetometer and electromagnetic surveys, geological mapping and a 7-hole, 653.80 m diamond-drilling program on the claim group, including 1 DDH totalling 108.8 m on this occurrence.

Assessment Work on File

Assessment Work on File
Office File Number   Online Assessment File Identifier   Online Assessment File Directory  
2.10647     52O08SW0011     Open Open
2.11219     52O08SW0007     Open

Geology

Province: Superior

Subprovince: Uchi

Belt: Meen-dempster

Geological Age: Neoarchean   

Tectonic Assemblage: Confederation

Mineral Deposit Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
mafic metavolcanics 1 host

Mineralization

Deposit Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Habit Description
1 pyrite economic ore
2 pyrrhotite economic ore

Mineralization Comments

12/17/1996 (B Nelson) - Drill hole OCH-87-01 intersected an assay of 0.034 oz/ton Au (1.16 g/t Au) over 1.52 m, at 31.09 m to 32.61 m down the hole in an epidote-rich interflow in mafic metavolcanics with disseminated pyrite and pyrrhotite. The interval from 46.3-47.9 m returned 0.02 oz/t Au (0.69 g/t Au) from silicified mafic flows with 3-5% pyrrhotite and pyrite (Assessment report 52O08SW0007).

Alteration Comments

12/17/1996 (B Nelson) - Not known.

Mineral Deposit Details

Deposit Classification
Rank Classification            
1 lode (gold)
Deposit Characteristics
Rank Characteristic            
1 unknown

References

Publication - Mineral Deposits of the Central Portion of the Uchi Subprovince, p. 377-378

Publication Number: OFR5869    Date: 1993

Author: Seim, G.W.

Publisher Name: OGS


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Ministry Contact Information

For detailed information regarding this mineral deposit please contact the Thunder Bay North Resident Geologist District Office