Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41I14SE00008

Record: MDI41I14SE00008

General

Mineral Record Identification
Record Name(s)	Gervais Pit - 1987
Related Record Type	Simple
Related Record(s)
Record Status	Occurrence
Date Created	1990-Nov-29
Date Last Modified	2022-Jul-19
Created By
Revised By

Commodities

Primary Commodities: Gold, Copper

Location

Township or Area: Ulster

Latitude: 46° 49' 43.51" Longitude: -81° 36' 55.04"

UTM Zone: 17 Easting: 453072.999 Northing: 5186317.996 UTM Datum: NAD83

Resident Geologist District: Sudbury

NTS Grid: 41I14SE

Point Location Description: approximate

Location Method: Based on Assessment

Exploration History

1988-91: J.C. and C. Gervais - prospecting, sampling, trenching, ground geophysics. 1988: Gold Fields Canada Mining Ltd. - sampling

Assessment Work on File

Assessment Work on File
Office File Number	Online Assessment File Identifier	Online Assessment File Directory
2.13881	41I13SE0017	41I13SE0017
41I13SE0025	41I13SE0025	41I13SE0025
63.5094	41I13SE0023	41I13SE0023
41I13SE0026	41I13SE0026	41I13SE0026
41I13SE0027	41I13SE0027	41I13SE0027
41I13SE0029	41I13SE0029	41I13SE0029
41I13SE0032	41I13SE0032	41I13SE0032
41I13SE0034	41I13SE0034	41I13SE0034
41I13SE9430	41I13SE9430	41I13SE9430

Lithology

Lithology Data
Rock Type	Rank	Composition	Texture	Relationship
Vein	1	Quartz		Host
Granodiorite	2		Gneissic	Contains

Mineralization

Mineralization and Alteration
Rank	Mineral Name	Class	Economic Mineral Type
2	Chalcopyrite	Economic	Ore
1	Pyrite	Economic	Gangue
3	Magnetite	Economic	Gangue

Mineralization Comments

May 26, 2010 (A Wilson) - Grab samples collected by Gervais in 1988 returned values ranging from 0.19 to 0.21 oz/t Au, 0.03 to 0.41 oz/t Ag and 0.018 to 0.390% Cu. Grab samples collected by Gold Fields Canadian Mining Ltd. in 1988 returned values up to 9600 ppm Cu

Mineral Record Details

Classification
Rank	Classification
1	Vein

References

MonoMap - Geology of the Benny area, District of Sudbury

Publication Number: R206 Date: 1981

Author: Card K.D., Innes D.G.

Publisher Name: Ontario Geological Survey

Location:

Map - Geneva Lake, Sudbury District

Publication Number: M2435 Scale: 1:31,680 Date: 1981

Author: Card K.D., Innes D.G.

Publisher Name: Ontario Geological Survey

Location:

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Ministry Contact Information

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