Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI41O09SE00009

Record: MDI41O09SE00009

General

Commodities

Primary Commodities: Zinc, Lead, Silver, Gold

Secondary Commodities: Molybdenum

Location

Township or Area: Huffman

Latitude: 47° 37' 3.75"    Longitude: -82° 10' 11.11"

UTM Zone: 17    Easting: 412099.48   Northing: 5274474.21    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 41O09SE

Point Location Description: South end of an old long trench which becomes a pit. Most of the trench is in overburden.

Location Method: Field Visit with GPS

Access Description: The easiest access is via a boat on Opeepeesway Lake from a landing at the old Jerome Mine.

Exploration History

1939: Lake Shore Mines - stripping, trenching. 1939: Cominco - prospecting. 1949-61: Jess-Mac Gold Mines Ltd. - ground magnetometer survey, trenching, 21 ddh. 1961: Worthington Mines - diamond drilling. 1966: Rio Tinto - ground magnetometer and EM surveys. 1971: Falconbridge Nickel - VLF, EM and magnetic surveys, diamond drilling. 1981-83: Osway Exploration - ground magnetic and VLF surveys; trenching; diamond drilling. 1985: Muscocho Exploration - diamond drilling. 1991-92: W. Brereton -compilation, prospecting, soil geochemistry. 1993: Cameco Corporation - till sampling. 2007-2010: Augen Gold Corp - AEM, magnetic and radiometric surveys; prospecting, sampling, assays; EM, IP, Mag, GC, Samp.

Assessment Work on File

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Swayze

Tectonic Assemblage: Ridout

Geological Age: Neoarchean   Geochronological Age: 2724 +/-4 MA   Geochron. Age Ref.: OF 3384F

Metamorphism Type: Regional

Metamorphism Grade: Greenschist

Geology Comments

Dec 07, 2005 (S Fumerton) - The trenches expose a strong shear zone.

Lithology

Lithology Comments

Dec 07, 2005 (S Fumerton) - The rocks exposed in the area consist of a schistose sericite felsic and more massive quartz porphyry rocks locally cut by a number of narrow irregular iron carbonate veins. These veins are locally discordant to the schistosity and up to 3cm thick. From core in the vicinity the rocks are moderately altered to an iron carbonate. Just north of the trenches the porphyry are in contact with conglomerate.

Mineralization

Mineralization Comments

Dec 07, 2005 (S Fumerton) - Disseminated sparse pyrite and chalcopyrite occur in the matrix of the host porphyry - schist and form up to 2% of the rock. These sulphides have been remobilised locally and are associated with quartz veins. It is presumed that the galena - sphalerite occurrences are associated with such veins.

Dec 07, 2005 (A Wilson) - The best assays reported from Jess Mac drill hole #29 were 7 g/t Au, 150 g/t Ag, 4.97% Pb, 3.78% Zn, 0.3% Mo. Grab samples collected by the OGS in 1994 returned values of 0.02 g/t Au and 0.3 g/t Ag. Grab samples collected by Osway Exploration returned values of 11.5% Zn, 6.5% Pb, 5.04 oz/t Ag and 0.068 oz/t Au.

Jun 30, 2016 (P Bousquet) - Augen Gold Corp. reported an assay of 3.71 g/t Au, 15.1 g/t Ag taken from a grey feldspathic rock sample showing abundant silica veinlets.

Assay Samples

Mineral Record Details

Mineral Zones - Size and Shape

Rank: 1       Structure Type: Contact

Rank: 2       Structure Type: Shear

Site Visit Information

Date: Oct 11, 1951

Geologist: W Savage

Notes: A visit was made to the Jess-Mac property in Huffman Township. The writer was accompanied from Sudbury by M.J. Gaffney, president of the company and his son Terry. Following a geophysical survey by C. Selmser, who was consulting engineer for the company in 1949, a considerable number of drill holes were put down on the east and south claims and some low grade gold and copper values were indicated. Drilling on the ice and from the mainland at the east end of the lake indicated a band of porphyry with an easterly trend which may extend down the lake from the Jerome Mine to the west. In 1950 and 1951 extensive diamond drilling was done on claim S.54293 which straddles the north shore of the lake on the east boundary of the property. The geophysical survey showed two narrow east-west anomalies on this claim about 250' apart in a drift covered area. The north anomaly overlies a quartz vein trending east-west which was exposed in a series of trenches by Wm Smith, a former owner of the property. The south anomaly may be indicative of a narrow zone of lead zinc sulphides with a low gold silver content which was intersected in six of the diamond drill holes at an average depth of 250'. The sulphides occur in fractures porphyry adjacent and parallel to the south dipping contact between the porphyry and sheared sediments to the north. ( PRECIS )

References

Book - Sudbury Timmins Algoma Mineral Program, Project 1: mineral inventory of the Sudbury-Timmins-Sault Ste. Marie region, Ontario

Publication Number: GSC OF 1087 Page: 41  Date: 1985

Author: Rose, D.G.

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/129999

Map - Geological series, Jerome area (east), District of Sudbury

Publication Number: P2370 Scale: 1:15,840    Date: 1980

Author: Siragusa G.M.

Publisher Name: Ontario Geological Survey

Location:

Map - Precambrian Geology, Huffman Township and Part of Arbutus Township

Publication Number: OFM0212 Scale: 1:15,840    Date: 1993

Author: Siragusa G.M.

Publisher Name: Ontario Geological Survey

Location:

Part - Geology of the Opeepeesway Lake area

Publication Number: ARV44-07.001 Page: 77  Date: 1997

Author: Laird H.C.

Publisher Name: Ontario Dept. of Mines

Location:

Map - Geology, Swayze greenstone belt, Opeepeesway Lake, Ontario

Publication Number: OF 3384f Scale: 1:50,000    Date: 1999

Author: Heather, K B; Shore, G T

Publisher Name: Geological Survey of Canada

Location: https://doi.org/10.4095/210454

MonoMap - Geology of the Chapleau area, districts of Algoma, Sudbury, and Cochrane

Publication Number: R157 Page: 166  Date: 1977

Author: Thurston P.C., Siragusa G.M., Sage R.P.

Publisher Name: Ontario Division of Mines

Location:

Mono - Copper, nickel, lead and zinc deposits in Ontario (revised to February, 1957)

Publication Number: MDC002 Date: 1957

Author: Thomson J.E., Ferguson S.A., Johnston W.G.Q., Pye E.G., Savage W.S., Thomson R.

Publisher Name: Ontario Dept. of Mines

Location:

Mono - Copper, nickel, lead and zinc deposits of Ontario

Publication Number: MDC012 Date: 1969

Author: Shklanka R.

Publisher Name: Ontario Dept. of Mines

Location:

MonoMap - Geology, Geochemistry and Mineralization of the Southern Margin of the Swayze Belt

Publication Number: OFR5844 Page: 75-76  Date: 1993

Author: Siragusa G.M.

Publisher Name: Ontario Geological Survey

Location:

MonoMap - Mineral Prospects of the Swayze Greenstone Belt (Volume 1, Parts of NTS 41 O and Volume 2, Parts of NTS 41 P, 42 A and 42 B)

Publication Number: OFR5912 Page: 34-36  Date: 1995

Author: Fumerton S.L., Houle K.A.

Publisher Name: Ontario Geological Survey

Location:

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