Ontario Geological Survey
Permanent Link to this Record:
MDI41J07SE00014
Record Name(s) | Twin Lake Showing - 1970, Esten Property - 1957 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Prospect |
Date Created | 1991-Sep-01 |
Date Last Modified | 2022-Oct-13 |
Created By | |
Revised By |
Primary Commodities: Copper
Township or Area: Esten
Latitude: 46° 17' 59.52" Longitude: -82° 37' 20.92"
UTM Zone: 17 Easting: 375048.998 Northing: 5128645 UTM Datum: NAD83
Resident Geologist District: Sault Ste. Marie
NTS Grid: 41J07SE
Point Location Description: approximate
Location Method: Based on Assessment
The property was trenched and drilled in 1956 by FEderal Kirkland Mining Co. where 29 diamond drill holes were completed totalling 9695 feet. A total of 6 diamond drill holes were completed by Esten Exploration Inc., totalling 1922 feet. The area was flown with airboren magnetics by the Geolgoical Survey of Canada-Ontario Department of Mines in 1963, illustrating a strong WNW-trending four kilometre long magnetic anomaly on the map. 2003-05: Gitennes Exploration Inc. - airborne geophysics, IP, prospecting, sampling, mapping, ground geophysics, geochemistry
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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Esten 0010C1 | 41I07SE0043 | 41I07SE0043 |
Esten-0010-B1 | 41I07SE0042 | 41I07SE0042 |
ESTEN 0010A1 | 41I07SE0041 | 41I07SE0041 |
ESTEN 0012 | 41I07SE0037 | 41I07SE0037 |
ESTEN 0011 | 41I07SE0040 | 41I07SE0040 |
Esten 0019 | 20000001163 | 20000001163 |
ESTEN 0014 | 41I07SE0036 | 41I07SE0036 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Geological Age: Early Precambrian
Dec 03, 2010 (A Pace) - The property covers one or more massive to gneissic Archean Felsic intrusive bodies with inclusions of Archean supracrustal rocks, cut by at least 2 generations of diabase dykes.
Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Quartz | Host |
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Granodiorite | 2 | Gneissic | Contains |
Oct 23, 2009 (A Wilson) - Chalcopyrite occurs in stringers and disseminations in highly silicified schists and breccias within a shear zone. Talc and chloritic schists are found within the sheared zone and within the adjacent rocks which are predominantly granite. The better concentrations of chalcopyrite were obtained within a few hundred feet of the intersection of the main sheared zone and a strong subparallel zone of shearing and silicfication. Metavolcanic rocks altered to chlorite and talc are found within the silicified shear zone.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Chalcopyrite | Economic | Ore | ||||
1 | Pyrite | Economic | Gangue |
Dec 03, 2010 (A Pace) - The mineralization varies from disseminated to narrow widths of massive sulphides. Chalcopyrite occurs in stringers and disseminations in highly silicified schists and breccias within a strong NW trending sheared zone. Talc and chloritic schists and diabase are present within the sheared zone and within the adjacent rocks, which are predominantly granitic. Drilling completed by Federal Kirkland Mining Co. in 1956 includes: Drill Hole 1: 4.3 feet at 1.10% Cu and 2.5 feet at 1.34% Cu Drill Hole 2: 2.5 feet at 4.67% Cu and 3.2 feet at 1.59% Cu and 3.4 feet at 2.23% Cu and 3.0 feet at 2.23% Cu. Drill Hole 4: 2.9 feet at 1.13% Cu and 2 feet of 1.05% Cu Drill Hole 7: 2.7 feet of 1.70% Cu Drill HOle 8: 2.6 feet of 1.32% Cu and 4.1 feet of 1.03% Cu Drill HOle 9: 5.1 feet of 1.05% Cu and 3.3 feet of 2.23% Cu Drill Hole 11: 1.9 feet of 1.15% Cu Drill hole 20: 5 feet of 1.14% Cu and 4 feet of 1.17% Cu Drill Hole 21: 1.4 feet of 2.68% Cu Drilling completed by Esten Exploration Inc. in 1974 includes: Hole 74-7: 2.5 feet of 2.64% Cu Hole 74-8: 3.8 feet of 2.79% Cu, 5.9 feet of 1.06% Cu, 5.9 feet of 1.12% Cu, 7 feet at 1.42% Cu, 4.2 feet of 1.78% Cu. A large number of good grade intersections were obtained in the drilling over a length of 380 feet and to a depth of 400 feet. An estimate of probable ore is as follows: tons, 76, 900 grading at 1.74% with an average width of 8.04 feet.
Rank | Classification |
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1 | Vein |
Rank | Characteristic |
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1 | Sheared |
Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
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Unknown | 500 | 5 | 75 |
Zone | Year | Category | Tonnes | Reference | Comments | Commodities |
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Twin Lake Showing | 1957 | Probable | 69763 | MDC002. p. 91 | 76,900 tons @ 1.73% Cu over an average width of 8.04 feet (drill indicated) | Copper 1.73 Percent |
Map - Esten Township, District of Algoma
Publication Number: P0130 Scale: 1:15,840 Date: 1997
Author: Robertson J.A.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Copper, nickel, lead and zinc deposits of Ontario
Publication Number: MDC012 Page: 23 Date: 1969
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Geology of the Spragge area, District of Algoma
Publication Number: R076 Page: 87-88 Date: 1970
Author: Robertson J.A.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Sault Ste. Marie-Elliot Lake, geological compilation series, Algoma, Manitoulin and Sudbury districts
Publication Number: M2419 Scale: 1:253,440 Date: 1979
Author: Giblin P.E., Leahy E.J.
Publisher Name: Ontario Geological Survey
Location:
Mono - Copper, nickel, lead and zinc deposits in Ontario (revised to February, 1957)
Publication Number: MDC002 Page: 91 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:
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