Ontario Geological Survey
Permanent Link to this Record:
MDI000000002827
Record Name(s) | Gleeson Kimberlite - 2019 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Occurrence |
Date Created | 2021-Nov-22 |
Date Last Modified | 2022-Jul-14 |
Created By | |
Revised By |
Primary Commodities: Kimberlite, Diamond
Township or Area: Lorrain
Latitude: 47° 19' .31" Longitude: -79° 34' 1.97"
UTM Zone: 17 Easting: 608282 Northing: 5241360 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M05SE
Point Location Description: Diamond drill hole GL-RCH-02B drilled by RJK Explorations
Location Method: Data Compilation
1903-1905: a large diamond found by a settler of Cobalt, Ontario. 1907: Herman and Hartwig Baruch staked claims. 2018: RJK Explorations Ltd. registered claims. 2019-2020: RJK Explorations Ltd. carried out soil, till, and bedrock sampling and geochemical analyses. 2020: RJK Explorations Ltd. completed 8 diamond drill holes for a total of 426.5m.
Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
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3965 | 20000019498 | 20000019498 |
3851 | 20000019252 | 20000019252 |
Province: Superior
Geological Age: Archean
Rock Type | Rank | Composition | Texture | Relationship | Kimberlite-Unsubdivided | 1 | Lherzolite-type |
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Lherzolite | 2 |
Nov 22, 2021 (Sheree Hinz) - The indicator mineral geochemistry from all 7 kimberlite bodies indicates the kimberlite magma has incorporated lherzolitic peridotite enriched in olivine, orthopyroxene along with chromium and aluminum spinels and garnets.
Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
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1 | Diamond | Economic | Ore | ||||
1 | Forsterite | Economic | Gangue | ||||
2 | Garnet | Economic | Gangue | ||||
3 | Clinopyroxene | Economic | Gangue | ||||
4 | Chromite | Economic | Gangue |
Nov 22, 2021 (Sheree Hinz) - A 1,536 kg RC sample was processed by Microlithics in Thunder Bay, Ontario and a 54 kg core sample by CF Mineral Research in Kelowna, BC, for a a picking weight from 157 g of heavy mineral concentrates, 1,412 grains were picked and 193 probed and classified into 6 diamond indicator minerals: 8 were diamond inclusion olivine forsterites, 3 were G9 eclogitic garnets, 4 were diamond inclusion clinopyroxenes and 2 were diamond inclusion chromites. There were 3 microdiamonds recovered from the 54 kg drill core sample.
Rank | Classification |
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1 | Kimberlite |
Article - RJK's Receives 12.2 Tonne Sample Results, Yields Similarities to Lherzolitic Kimberlite Diamond Mines Hosting Large Diamonds
Publication Number: Date: 2021
Author: RJK Explorations Ltd
Publisher Name: RJK Explorations Ltd
Location: https://www.rjkexplorations.com/rjks-receives-12-2-tonne-sample-results-yields-similarities-to-lherzolitic-kimberlite-diamond-mines-hosting-large-diamonds/
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For detailed information regarding this mineral record please contact the Kirkland Lake Resident Geologist District Office