Ontario Geological Survey
Permanent Link to this Record:
MDI31M05SE00163
| Record Name(s) | Mayfair Pond - 1950 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1991-Feb-08 |
| Date Last Modified | 2023-Aug-23 |
| Created By | |
| Revised By |
Primary Commodities: Silver, Cobalt
Secondary Commodities: Copper, Lead
Township or Area: Gillies Limit
Latitude: 47° 20' 53.34" Longitude: -79° 39' 8.04"
UTM Zone: 17 Easting: 601796.63 Northing: 5244734.46 UTM Datum: NAD83
Resident Geologist District: Kirkland Lake
NTS Grid: 31M05SE
Point Location Description: Vein
Location Method: Data Compilation
1949: Mayfair Mines Ltd.: UGD-2-1678.7 ft. 1950: Mayfair Mines Ltd. - diamond drilling program; DD-4-1639 ft. 1968: Mayfair Mines Ltd. – numerous pits sunk on claim T.25905.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 63A.46 | 31M05SE0088 | 31M05SE0088 |
| 10 | 31M05SE0059 | 31M05SE0059 |
Province: Southern
Subprovince: Cobalt Basin
Supergroup: Huronian Supergroup
Formation Group: Cobalt Group
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Intermediate lava flow-unsubdivided | 1 | Andesite | Hanging Wall |
|---|---|---|---|---|
| Lamprophyre-Unsubdivided | 2 | Intrudes | ||
| Diabase | 3 | Nipissing Diabase | Host |
Aug 04, 2017 (A Wilson) - In Block 6, particularly below Mayfair Pond near the north end of T.23071 an irregularity in the upper diabase contact associated with the Silver Crater fault has been disclosed by the Mayfair underground workings and drilling. South of the Silver Crater fault the contact is stated by Phelan to be from 135 to 150 feet lower than on the north side. How much of this difference in elevation is due to post-diabase faulting (after the diabase had completely solidified as distinct from that due to a roll (arising while the diabase was fluid) is uncertain; that the irregularity is in part a roll is shown by the fine-grained (chilled)texture of the diabase in the steeply dipping part of the contact on the 550-foot level.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Silver | Economic | Ore | ||||
| 2 | Cobaltite | Economic | Ore | ||||
| 3 | Chalcopyrite | Economic | Ore |
Aug 04, 2017 (A Wilson) - Assays reported up to 110 g/t Ag.
| Rank | Classification |
|---|---|
| 1 | Vein (Cobalt-Type) |
File - Resident Geologist file CO-1062
Publication Number: Date:
Author:
Publisher Name:
Location: Kirkland Lake RGP office
Map - Cobalt silver area, southeastern sheet, Timiskaming District
Publication Number: M2052 Scale: 1:12,000 Date: 1997
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
Mono - Preliminary report on parts of Coleman Township and Gillies Limit, near New Lake, southeast of Cobalt, District of Timiskaming
Publication Number: PR1961-02 Page: 16 Date: 1998
Author: Thomson R.
Publisher Name: Ontario Dept. of Mines
Location:
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