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Ontario Geological Survey
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MDI31F02SW00031
| Record Name(s) | Longstone Lake - 1981, Longstone Lake Occurrence - 2000 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1981-Mar-30 |
| Date Last Modified | 2022-May-13 |
| Created By | |
| Revised By |
Primary Commodities: Magnetite
Township or Area: South Canonto
Latitude: 45° 5' 9.59" Longitude: -76° 47' 49.75"
UTM Zone: 18 Easting: 358568.993 Northing: 4994074.817 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F02SW
Point Location Description: Pit near the SE end of Longstone Lake, S of Redhorse Lake.
Location Method: Conversion from MDI
Access Description: A single lane gravel road passses 1.6 km to the SW of the deposit.
Pre-1909 : a pit was opened on a magnetite showing at a marble-paragneiss contact - this was traced about 250 ft on to lot 26, con 5, and was about 10 ft wide. More magnetite was exposed 'several hundred yards from the pit'. About 15 tons of massive magnetite on the dump.
Province: Grenville
Geological Age: Mesoproterozoic
Dec 07, 2005 (C Papertzian) - Disseminated to massive magnetite at a marble-paragneiss contact, traced for 250 ft and about 10 ft wide. Assayed 44.0 % Fe. This is in the same sequence as the Summit Lake magnettite deposit and lies immediately to the E of a small intrusion of gneissic granite.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 5 | Magnetite | Economic | Ore |
Publication - Iron ore occurrences in Canada; Canada Mines Branch, Publication 217
Publication Number: CMB Pub 217 Page: 131-132 Date: 1917
Author: Lindeman, M E; Bolton, L L; Robinson, A H A
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/305364
Mono - Report Of The Ontario Iron Ore Committee With Appendix 1923
Publication Number: NSP013 Page: 227 Date: 1998
Author:
Publisher Name:
Location:
Mono - Iron deposits of Ontario
Publication Number: MDC011 Page: 142 Date: 1968
Author: Shklanka R.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Geological series, base and precious metals, iron and molybdenum deposits of Pembroke-Renfrew area, southern Ontario
Publication Number: P2211 Scale: 1:126,720 Date: 1979
Author: Carter T.R., Storey C.C.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of base metal, precious metal, iron, and molybdenum deposits in the Pembroke-Renfrew area
Publication Number: MDC020 Page: 132-124 Date: 1980
Author: Carter T.R., Colvine A.C., Meyn H.D.
Publisher Name: Ontario Geological Survey
Location:
Publication - Summary report of the Mines Branch of the Department of Mines for the calendar year ending December 31 1909; Canada Mines Branch, Publication 63
Publication Number: CMB Pub 63 Page: 87 Date: 1910
Author:
Publisher Name: Canada Mines Branch
Location: https://doi.org/10.4095/307357
Part - Geology of the Clarendon-Dalhousie area
Publication Number: ARV65-07.001 Page: 46 Date: 1998
Author: Smith B.L.
Publisher Name: Ontario Dept. of Mines
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office