Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI000000003455

Record: MDI000000003455

General

Mineral Record Identification
Record Name(s) East Lake - 1992, Dome 21-16-1 - 1971
Related Record Type
Related Record(s)
Record Status Discretionary Occurrence
Date Created 2023-Jun-27
Date Last Modified 2023-Jun-27
Created By
Revised By

Commodities

Primary Commodities: Gold

Secondary Commodities: Zinc



Location

Township or Area: Whitebirch Lake Area

Latitude: 49° 51' 32.03"    Longitude: -89° 41' 32.16"

UTM Zone: 16    Easting: 306501   Northing: 5526419    UTM Datum: NAD83

Resident Geologist District: Thunder Bay South

NTS Grid: 52H13SE

Point Location Description: DDH 21-16-1 from Assessment report 52H13SE0020

Location Method: Based on Assessment



Exploration History

1971: Dome Exploration (Canada) Ltd. drilled 4 DDH totalling 401.7 m. 1976: Amax Minerals Exploration conducted a VLF-EM survey and drilled 1 DDH totalling 121 m.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
13 52H13SE0020 52H13SE0020
17 52H13SE0003 52H13SE0003
2.2094 52H13SE0005 52H13SE0005
OM91-027 52H13NE2001 52H13NE2001

Geology

Province: Superior

Subprovince: Wabigoon

Belt: Obonga Lake

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Felsic lava flow-unsubdivided 1 rhyolite and dacite

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyriteEconomicOre

Mineralization Comments

Jun 27, 2023 (Therese Pettigrew) - DDH 21-16-1 returned 0.3 dwt/t (0.47 g/t ) Au over 1 foot from a quartz vein with pyrite in an andesite at 75.5 feet depth (Assessment report 52H13SE0020). DDH 729-76-1 returned 1030 ppm Zn at 187.8 feet depth from intermediate to basic tuffs containing 14-20% graphitic beds with 5-10% pyrite and pyrrhotite (Assessment report 52H13SE0003).



Mineral Record Details

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Ministry Contact Information

For detailed information regarding this mineral record please contact the Thunder Bay South Resident Geologist District Office