Ontario Geological Survey
Permanent Link to this Record:
MDI31D15NW00011
| Record Name(s) | Dam North - 1910, Big Bob Lake Dam - 2001 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Discretionary Occurrence |
| Date Created | 1993-Apr-12 |
| Date Last Modified | 2022-Apr-12 |
| Created By | |
| Revised By |
Primary Commodities: Lead
Secondary Commodities: Graphite, Mineral Specimen
Township or Area: Lutterworth
Latitude: 44° 53' 34.43" Longitude: -78° 47' 25.11"
UTM Zone: 17 Easting: 674482 Northing: 4973428 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31D15NW
Point Location Description: point just north of Big Bob Lake Dam
Location Method: Data Compilation
Access Description: Just north of Big Bob Dam.
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Calcareous | Host |
|---|
Jun 23, 2014 (A Wilson) - The host rock is a combination of calc-silicate gneiss and massive dolomite gneiss.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Galena | Economic | Ore | ||||
| 2 | Graphite | Economic | Ore |
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
Publication - Geology of the Haliburton and Bancroft areas, Province of Ontario; Geological Survey of Canada, Memoir no. 6
Publication Number: GSC Memoir 6 Page: 203 Date: 1910
Author: Adams, F D, Barlow, A E.
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/100481
Publication - A list of Canadian mineral occurrences; Geological Survey of Canada, Memoir no. 74
Publication Number: GSC Memoir 74 Page: 101 Date: 1915
Author: Johnston, R A A
Publisher Name: Geological Survey of Canada
Location: https://doi.org/10.4095/101571
MonoMap - Precambrian geology, Digby-Lutterworth area
Publication Number: R269 Date: 1990
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Minden Area
Publication Number: P3415 Scale: 1:50,000 Date: 2001
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
Location:
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