Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52N04NW00012

Record: MDI52N04NW00012

General

Mineral Record Identification
Record Name(s) Harvey O Showing - 1991
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1991-Mar-11
Date Last Modified 2022-Jun-28
Created By
Revised By

Commodities

Primary Commodities: Gold



Location

Township or Area: McDonough

Latitude: 51° 8' 32.95"    Longitude: -93° 47' 48.43"

UTM Zone: 15    Easting: 444261.707   Northing: 5665972.035    UTM Datum: NAD83

Resident Geologist District: Red Lake

NTS Grid: 52N04NW

Point Location Description: N/A

Location Method: Conversion from MDI



Exploration History

1940: The property was held by C. Harvey. The area was cleared of all brush, and (?) some trenching was done.


Geology

Province: Superior

Subprovince: Uchi

Terrane: North Caribou

Domain: Uchi

Belt: Red Lake

Geological Age: Archean  

Metamorphism Type: Regional

Metamorphism Grade: Greenschist



Geology Comments

Dec 07, 2005 (K R Kettles) - GEOLOGICAL DESCRIPTION: The occurrence is underlain by mafic metavolcanic flows. Stratigraphic tops are to the south. The prospect lies on the western flank of a NNE-SSW striking anticline. DEPOSIT DESCRIPTION: Three quartz veins have been exposed in trenches. The first vein strikes approximately N60 deg. E and is up to 10 cm in width. A minor amount of pyrite is contained within the vein. The second vein is 2 to 5 cm wide, strikes N78 deg. E and dips 70 deg. to the north. The third vein is 7.5 to 12.5 cm wide, strikes N68 deg. E and dips to the north.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Vein 1 Quartz Host
Mafic lava flow-unsubdivided 2 Adjacent

Lithology Comments

Dec 07, 2005 (K R Kettles) - : The occurrence is underlain by mafic metavolcanic flows. Stratigraphic tops are to the south. The prospect lies on the western flank of a NNE-SSW striking anticline. Three quartz veins have been exposed in trenches. The first vein strikes approximately N60 deg. E and is up to 10 cm in width. A minor amount of pyrite is contained within the vein. The second vein is 2 to 5 cm wide, strikes N78 deg. E and dips 70 deg. to the north. The third vein is 7.5 to 12.5 cm wide, strikes N68 deg. E and dips to the north.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1GoldEconomicOre
2PyriteEconomicOre
1QuartzEconomicGangue

Mineralization Comments

Dec 07, 2005 (K R Kettles) - MDI1 DATA: GRADE - 1947-PIT SAMPLE: 0.9 OPT AU A sample taken from one pit by C. Harvey is reported to have assayed 0.9 oz/ton (30.857 g/tonne) Au.



Mineral Record Details

References

File - Resident Geologist files AF RL 1947 McDonough #15

Publication Number: RGF RL Date: 1947

Author: Thompson, R.

Publisher Name:

Location: Red Lake RGP


Mono - Gold occurrences, prospects, and deposits of the Red Lake area, volumes 1 and 2

Publication Number: OFR5558 Page: 577  Date: 1987

Author: Durocher M.E., Burchell P.S., Andrews A.J.

Publisher Name: Ontario Geological Survey

Location:


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For detailed information regarding this mineral record please contact the Red Lake Resident Geologist District Office