Ontario Geological Survey
Permanent Link to this Record:
MDI000000003253
Record Name(s) | Black Mountain North - 2017, Centennial Lake - 2017 |
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Record Status | Occurrence |
Date Created | 2022-Nov-29 |
Date Last Modified | 2023-Jan-24 |
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Revised By |
Primary Commodities: Graphite
Township or Area: Matawatchan
Latitude: 45° 8' 34.12" Longitude: -77° 3' 6.39"
UTM Zone: 18 Easting: 338691 Northing: 5000863 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F03NE
Point Location Description: Precise, sample JM-17-13 from Assessment report 20000017976
Location Method: Data Compilation
2015: geological mapping by the OGS identified several new graphite occurrences in the Centennial Lake area. 2016: prospectors J. Martin and J. Andreana located graphite mineralization and staked claims. 2017: J. Martin and J. Andreana carried out prospecting, sampling, and ground magnetic and resistivity surveys. 2018: J. Martin and J. Andreana carried out prospecting, staked additional claims, and conducted prospecting,
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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2392 | 20000017976 | 20000017976 |
2.58180 | 20000015155 | 20000015155 |
1158, 1159 | 20000018712 | 20000018712 |
4420, 77123 | 20000020125 | 20000020125 |
Province: Grenville
Terrane: Bancroft
Domain: Black Donald
Rock Type | Rank | Composition | Texture | Relationship | Schist-Unsubdivided | 1 | Host |
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Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Graphite | Economic | Ore | ||||
2 | Pyrite | Economic | Ore |
Nov 29, 2022 (Therese Pettigrew) - The bands of sulphide-graphite mineralization are evident as magnetic highs and time domain electromagnetic anomalies on airborne geophysical surveys. Samples of quartz-biotite gneiss, quartz-feldspar-biotite-gneiss, and rusty quartz-feldspar-phlogopite schist containing up to 7% graphite (visual estimate) and minor pyrite were collected. Sample JM-17-13 returned 2.77% graphite (Assessment report 20000017976).
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office