Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI52N02SE00008

Record: MDI52N02SE00008

General

Mineral Record Identification
Record Name(s) Uchi (Jalda) - 1985, Conwo - 1985, Hill-Tivy-Sloan - 1985, Jalda - 1985
Related Record Type Compound
Related Record(s)
Record Status Past Producing Mine With Reserves or Resources
Date Created 1985-Nov-26
Date Last Modified 2022-Mar-31
Created By
Revised By

Commodities

Primary Commodities: Gold

Secondary Commodities: Silver



Location

Township or Area: Earngey

Latitude: 51° 5' 28.08"    Longitude: -92° 35' 21.62"

UTM Zone: 15    Easting: 528759.44   Northing: 5660039.5    UTM Datum: NAD83

Resident Geologist District: Red Lake

NTS Grid: 52N02SE

Point Location Description: N/A

Location Method: Conversion from MDI



Exploration History

Woco Gold - conducted surface work and discovered new gold showings on teh property. 1938: Conwo Gold Mines - stripping, trenching and DDH. 1966: Salem Exploration - conducted airborne magnetic survey. 1969: Little Long Lac - flew airborne electromagnetic, magnetic and gamma-ray spectrometer survey. 1973: Selco Exploration - conducted ground magnetic, vertical and horizontal loope EM survey. 1 DDH totalling 117 m. 1987: Lac Minerals - Conducted a humus geochemical survey, prospecting, overburden drilling, geologicalmapping, magnetic, electromagnetic and IP survey. 1988: Lac Minerals - flew airborne magnetic and electromagnetic survey. 1990: Lac Minerals - geological mapping and sampling. All production included in MDI52N02SE00007.


Geology

Province: Superior

Subprovince: Uchi

Terrane: North Caribou

Domain: Uchi

Belt: Red Lake

Geological Age: Archean  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Mafic lava flow-unsubdivided 1
Felsic lava flow-unsubdivided 1 Rhyolite Adjacent
Terrigenous-Clastic-Unsubdivided 1
Vein 2 Contains

Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
5ChalcopyriteEconomicOre
10GalenaEconomicOre
15GoldEconomicOre
20PyriteEconomicOre
25PyrrhotiteEconomicOre

Mineralization Comments

Mar 17, 2014 (Syed Ali) - MILCAP: ORE MILLED AT UCHI MINE SITE SMDR # 01567, GRADE 1938 VEIN.NO 14: AVE. 0.27 OPT AU /4.3 FT, HILL-SLOAN-TIVY VEIN:BEST 0.57 OPT/1.8 FT, PROD.1939-43 UCHI,HANALDA,GRASETT,JALDA: 114,467 OZ AU, 14,345 OZ AG FROM 757,074 TONS ORE @ 0.15 OPT AU AVERAGE. Chip samples taken by Woco from the Acid Dike zone assayed 0.82 oz/t Au across 6 ft, 0.1 oz/t Au across 10 ft.



Mineral Record Details

Reserves or Resources Data
Zone Year Category Tonnes Reference Comments Commodities
Hill-Sloan-Tivy 1995 Unclassified 268530 OFR 6180, Table 14 (Germundson 1995) and OFR 5835, p. 197-8 Grassett Prospect Reserves may be included (MDI52N02SE00009) Grade 7.51 g/t Au (296 000 tons of 0.219 opt Au) Gold 0.219 oz/T
Production Data
Year Tonnes Commodities Reference Comment
1943 686806 Silver 14345 Ounces
Gold 114467 Ounces
MDI 757,074 tons

References

Part - The Uchi Lake area

Publication Number: ARV47-03.002 Page: 77-79  Date: 1997

Author: Thomson J.E.

Publisher Name: Ontario Dept. of Mines

Location:


Part - Geology and gold deposits of the Uchi-Slate lakes area

Publication Number: ARV48-08.001 Page: 37-39  Date: 1997

Author: Bateman J.D.

Publisher Name: Ontario Dept. of Mines

Location:


Mono - Gold deposits of Ontario, part 1, districts of Algoma, Cochrane, Kenora, Rainy River, and Thunder Bay

Publication Number: MDC013 Page: 218-19  Date: 1971

Author: Ferguson S.A., Groen H.A., Haynes R.

Publisher Name: Ontario Dept. of Mines and Northern Affairs

Location:


MonoMap - Geology of the Earngey-Costello area, District of Kenora, Patricia Portion

Publication Number: R234 Page: 93, 95-97  Date: 1985

Author: Thurston P.C.

Publisher Name: Ontario Geological Survey

Location:


Report an Error

We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.


Terms of Use

Please review our Terms of Use agreement for this data product.


Ministry Contact Information

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