Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52M01NE00008

Record: MDI52M01NE00008

General

Mineral Record Identification
Record Name(s) A. Jerome No. 1 Vein Prospect - 1980, Phillips Group No. 1 Vein - 1929
Related Record Type Simple
Related Record(s)
Record Status Prospect
Date Created 1997-Jan-09
Date Last Modified 2022-May-06
Created By
Revised By

Commodities

Primary Commodities: Gold, Copper

Secondary Commodities: Nickel, Silver, Platinum



Location

Township or Area: Ball

Latitude: 51° 2' 50.58"    Longitude: -94° 12' 37.16"

UTM Zone: 15    Easting: 415160   Northing: 5655791    UTM Datum: NAD83

Resident Geologist District: Red Lake

NTS Grid: 52M01NE

Point Location Description: Trench with showing on OGS map M2265

Location Method: Data Compilation



Exploration History

1929-30: Bernard Phillips did trenching and sampling. 1980: A. Jerome owned part of property, Gold Fields Resources Canada Ltd. owned rest. 1981: Performed geophysics in the area. 1986-87: Shane Resources carried out prospecting, sampling, mapping, VLF and magnetometer surveys, and soil sampling. 2000: Rubicon Minerals Corp. carried out prospecting and sampling. 2001: Rubicon carried out stripping and trenching. 2008: Mapping and sampling of property by Halo Resources optioned from Rubicon Minerals,


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
HALH 139 / 2.39512 20000003338 20000003338
2.10645 52M01SE0069 52M01SE0069
2.10175 52M01SE0161 52M01SE0161
2.21606 52M01SE2009 52M01SE2009

Geology

Province: Superior

Subprovince: Uchi

Terrane: North Caribou

Domain: Uchi

Belt: Red Lake

Geological Age: Archean  

Metamorphism Type: Regional

Metamorphism Grade: U. Greenschist



Geology Comments

Dec 07, 2005 (K R Kettles) - This area is underlain by serpentinized and carbonatized ultramafic rocks of the Pipestone Bay stock. The ultramafic rocks contain roof pendants of mafic lava and felsic pyroclastic rocks. Foliations strike approximately N60 degs E and have a sub-vertical dip. There is a 60 m wide auriferous zone on the shore of Pipestone Bay that strikes roughly parallel to foliation. This zone consists of carbonatized ultramafic rocks that 'show considerable mineralization and small quartz stringers (Shaw, 1930). Some free gold occurs in these stringers.




Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Vein 1 Quartz Stringers Host
Peridotite 2 Carbonatized Peridotite Sheared Stock Adjacent
Ironstone-unsubdivided 3

Lithology Comments

Dec 07, 2005 (K R Kettles) - The ultramafic rocks of the Pipestone Bay stock are serpentinized and carbonatized peridotite and contain roof pendants of mafic lava and felsic pyroclastics.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1PyriteEconomicOre
2PyrrhotiteEconomicOre
3ChalcopyriteEconomicOre
4GoldEconomicOre
5PentlanditeEconomicOre
1QuartzEconomicGangue
CarbonateAlterationCarbonatization1UnknownDisseminated
SerpentineAlterationSerpentinization2UnknownDisseminated

Mineralization Comments

Mar 23, 2012 (K R Kettles) - There is a 60 m wide auriferous zone on the shore of Pipestone Bay that is roughly parallel to foliation at N60 degs E and a sub-vertical dip.The carbonatized peridotite shows considerable mineralization and small quartz stringers which contain gold, silver, platinum and minor nickel. Assays from 1929-30 consist of the following: .12 opt Au, .02 opt Pt, .31% Ni over an unknown width; 1.88 opt Au, .03 opt Pt, and 0.29% Ni over an unknown width; .01 opt Au, 0.3opt Ag, and .47% Ni over an unknown width. Other assays for gold range from .17 opt Au/1.8m, .68 opt Au/1.8 m, 1.87 opt Au/1.8 m, .38 opt Au/7.3 m, .12 opt Au/1.2 m, and 0.11 opt Au in a grab sample. 2008 Sample 422858 returned a value of 6.21 g/t Au, This sample 1-2% pyrite.


Oct 14, 2020 (Therese Pettigrew) - In June 2000, reconnaissance sampling identified a number of semi-massive, chalcopyrite, pyrrhotite, pyrite rich blast rock, within the old blast pile. A total of 9 samples were collected during this program. Three samples returned copper values greater than 2000 ppm (2180 ppm, 2550 ppm and 3600 ppm Cu) (Assessment report 52M01SE2009).



Alteration Comments

Dec 07, 2005 (K R Kettles) - The ultramafic rocks in the auriferous zone are carbonatized, and are serpentinized throughout the area.




Mineral Record Details

References

File - 1930 Resident Geologist's Files, Red Lake

Publication Number: AF RL 1930 Date: 1930

Author: Shaw, J.W.

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: 109-110  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