Ontario Geological Survey
Permanent Link to this Record:
MDI31C10NW00370
| Record Name(s) | Mountain Grove Intrusion - 1984, Long Lake Area - 1984 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1991-May-27 |
| Date Last Modified | 2022-Mar-02 |
| Created By | |
| Revised By |
Primary Commodities: Graphite, Zinc
Township or Area: Olden
Latitude: 44° 41' .51" Longitude: -76° 45' 31.37"
UTM Zone: 18 Easting: 360625 Northing: 4949293.99 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31C10NW
Point Location Description: sp and gf on north shore of Long Lake
Location Method: Data Compilation
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Marble | 1 | Host |
|---|---|---|---|---|
| Gabbro | 2 | Gabbro | Contains |
Sep 10, 2013 (A Wilson) - The marble is described as being fine to medium grained laminated calcite marble with 0.5 to 2 cm thick layers. It is commonly interbedded with medium to coarse-grained calcitic marble. The marble occurs as linear inclusions within the Mountain Grove gabbro intrusion.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Sphalerite | Economic | Ore | ||||
| 2 | Graphite | Economic | Ore |
Sep 10, 2013 (A Wilson) - Graphite and sphalerite occur in fine to medium grained laminated calcite marble, (0.5 to 2 cm thick layers) and dolomite-calcite marble units.
| Rank | Classification |
|---|---|
| 1 | Hydrothermal |
Map - Long Lake, southern Ontario
Publication Number: M2449 Scale: 1:31,680 Date: 1981
Author: Wolff J.M., Smith D.A.
Publisher Name: Ontario Geological Survey
Location:
Mono - Metallogeny of the Grenville Province, southeastern Ontario
Publication Number: OFR5515 Scale: Date: 1984
Author: Carter T.R.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Geology of the Long Lake area, Lennox and Addington and Frontenac counties
Publication Number: R216 Scale: Date: 1982
Author: Wolff J.M.
Publisher Name: Ontario Geological Survey
Location:
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For detailed information regarding this mineral record please contact the Southern Ontario Resident Geologist District Office