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Ontario Geological Survey
Permanent Link to this Record:
MDI41I15SE00006
| Record Name(s) | Crystal-Comstock Property - 1925, Crystal Gold Mine - 1892 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 1984-Jan-31 |
| Date Last Modified | 2022-Jul-19 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Secondary Commodities: Copper
Township or Area: Rathbun
Latitude: 46° 45' 11.56" Longitude: -80° 37' 21.17"
UTM Zone: 17 Easting: 528828.003 Northing: 5177809.005 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 41I15SE
Point Location Description: capped shaft
Location Method: AMIS Site Visit
Access Description: 30.5 km from Hwy 17 N on Kukagami Lake road to northeast shore of Bowland Lake on south side of main road that is adjacent to a bay on Matagamasi Lake. Site is located on the peninsula where the public boat launch to Bowland Lake is.
1892-1908: Crystal Gold Mining Company - shaft developed to 100 ft, adit driven to 106 ft.; in production. 1925: Crystal-Comstock Gold Mines Limited - DD. 1944: Sylvanite Gold Mines - DD-2-378 m. 1963-70: Little AG Mines Limited - mapping, DD, ground geophysics. 1985: Flag Resources Ltd. - mapping, sampling, airborne geophysics
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 63.4938 | 41I15NE0015 | 41I15NE0015 |
| Mackelcan-0026 | 41I15NE0019 | 41I15NE0019 |
| Rathbun-0021-B1 | 41I15SE0056 | 41I15SE0056 |
Province: Southern
Supergroup: Huronian Supergroup
Geological Age: Paleoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gabbro | 1 | Gabbro | Adjacent |
|---|---|---|---|---|
| Vein | 2 | Quartz-Carbonate | Host | |
| Wacke | 3 | Adjacent | ||
| Breccia-unsubdivided | 4 | Sudbury Breccia | Near |
Mar 24, 2010 (A Wilson) - The property is underlain by greywackes of the Gowganda Fm intruded by Nipissing gabbro. Gold-bearing quartz veins are associated with a broad zone of soda, potassium, chlorite and carbonate alteration or with carbonate alteration within the gabbro. There were two east-trending quartz veins along which 5 shafts were sunk. The quartz veins occur at the contact between arkose and greywacke
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Gold | Economic | Ore | ||||
| 2 | Pyrite | Economic | Ore | ||||
| 3 | Chalcopyrite | Economic | Ore | ||||
| 4 | Galena | Economic | Ore |
Mar 24, 2010 (A Wilson) - Free gold was recovered from the quartz veins. A 1996 lb sample of quartz collected in 1896 returned 9 ounces, 15 dwt, 9 grams of gold equal to a value of $191.44 a tone of ore.
| Rank | Classification |
|---|---|
| 1 | Vein |
| Year | Tonnes | Commodities | Reference | Comment |
|---|---|---|---|---|
| 1897 | 741 |
Gold 4048 Grams |
OFR 5771 p. 186 | 730 tons of ore milled @ value of $4998.00. At $35.00/ounce yielding 142.8 ounces @ 0.196 oz/t Au. |
Map - Geological series, Rathbun Township, District of Sudbury
Publication Number: P1609 Scale: 1:15,840 Date: 1978
Author: Dressler B.O.
Publisher Name: Ontario Geological Survey
Location:
Map - Otter Lake, Sudbury District
Publication Number: M2450 Scale: 1:31,680 Date: 1982
Author: Dressler B.O.
Publisher Name: Ontario Geological Survey
Location:
Part - Moose Mountain-Wanapitei area
Publication Number: ARV41-04.002 Page: 46 Date: 1998
Author: Kindle L.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Sudbury data series, Rathbun Township, Sudbury District
Publication Number: P2197 Scale: 1:15,840 Date: 1982
Author: Adlington R.
Publisher Name: Ontario Geological Survey
Location:
Mono - Gold deposits of Ontario, part 2, part of District of Cochrane, districts of Muskoka, Nipissing, Parry Sound, Sudbury, Timiskaming, and counties of southern Ontario
Publication Number: MDC018 Page: 80-81 Date: 1979
Author: Gordon J.B., Lovell H.L., de Grijs J.W., Davie R.F.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of the Wanapitei Lake area, District of Sudbury
Publication Number: R213 Page: 106 Date: 1982
Author: Dressler B.O.
Publisher Name: Ontario Geological Survey
Location:
Folio - Rathbun Township, District of Sudbury
Publication Number: GDIF316 Date: 1997
Author: Sudbury RGO
Publisher Name: Ontario Geological Survey
Location:
Mono - Sudbury mineral occurrence study
Publication Number: OFR5771 Page: 178-194 Date: 1991
Author: Gates B.I.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Sudbury Resident Geologist District Office