Ontario Geological Survey
Permanent Link to this Record:
MDI42C02SE00041
| Record Name(s) | Number 4 Vein - 1991, Murray Algoma No. 4 Vein - 1991 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Jan-08 |
| Date Last Modified | 2022-Sep-16 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Esquega
Latitude: 48° 5' 48.15" Longitude: -84° 35' 52.68"
UTM Zone: 16 Easting: 678840.04 Northing: 5329840.02 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 42C02SE
Point Location Description: Vein lying approximately 200 m NW of the Murray Algoma
Location Method: Conversion from MDI
Access Description: The property is accessible via bush road from the community of Hawk Junction. Follow the bush road west for approximately 2 km and then take the northern bush road for 1.7 km to the Murray-Algoma stripping.
1928: gold discovered by R. Patterson. 1930: sampling and prospecting. 1934: Murray-Algoma Mining Company Ltd. - prospecting, trenching, stripping, 5 ddh. 1983: J.Q. Resources - ground geophysical surveys, mapping sampling. 1988: Soocana Explorations Ltd. - ground magnetic survey, mapping, stripping, channel sampling.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| WP Esquega-1 | 42C02SE0037 | 42C02SE0037 |
Province: Superior
Subprovince: Wawa
Terrane: Wawa-Abitibi
Belt: Michipicoten
Tectonic Assemblage: Hawk Lake
Geological Age: Neoarchean Geochronological Age: 2900 MA Geochron. Age Ref.: OFR 5888
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
Dec 07, 2005 (A Wilson) - The occurrence lies close to the boundary between the Michipicoten greenstone belt and the Hawk Lake Intrusive Complex. This vein is probably a portion of the Murray-Algoma vein system that has been folded and refolded.
| Rock Type | Rank | Composition | Texture | Relationship | Quartz-Feldspar Porphyry | 1 | Quartz-Feldspar | Sheared | Adjacent |
|---|---|---|---|---|
| Gabbro | 2 | Gabbro | Host | |
| Vein | 3 | Quartz | Host |
Dec 07, 2005 (A Wilson) - The vein occurs at the contact between a quartz-sericite-chlorite schist and a sulphidized and carbonatized mafic intrusive. The mafic intrusive hosts folded quartz veins.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Pyrite | Economic | Gangue | ||||
| 2 | Chalcopyrite | Economic | Gangue | ||||
| 3 | Tourmaline | Economic | Gangue | ||||
| Ankerite | Alteration | Carbonatization | 1 | Medium | Replacement |
Dec 07, 2005 (A Wilson) - The best analysis resulting from grab samples taken from the vein was 0.367 oz/t Au and 0.77 oz/t Au from the sulphidized wall rock.
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 110 | 3 | 320 |
Map - Geological series, Precambrian geology of Esquega Township, Wawa area, Algoma District
Publication Number: P2440 Scale: 1:15,840 Date: 1982
Author: Sage R.P., Rebic Z., Abercrombie S., Neale K., MacMillan D.W., Calvert T.
Publisher Name: Ontario Geological Survey
Location:
Mono - Mineral occurrence investigations in Esquega and Corbiere townships, Wawa District
Publication Number: OFR5798 Page: 93-102 Date: 1991
Author: Delisle P.C.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Michipicoten Greenstone Belt, Central Portion
Publication Number: P3303 Scale: 1:50,000 Date: 1994
Author: Sage R.P.
Publisher Name: Ontario Geological Survey
Location:
Mono - Wawa mineral deposits data base
Publication Number: OFR5775 Page: 182 Date: 1991
Author: Frey E.D., Stewart R.C.
Publisher Name: Ontario Geological Survey
Location:
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