Ontario Geological Survey
Permanent Link to this Record:
MDI31F10SW00004
| Record Name(s) | Astrolabe Campground - 1985, E. Johnston Property - 1944 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1985-Nov-12 |
| Date Last Modified | 2022-Feb-18 |
| Created By | |
| Revised By |
Primary Commodities: Fluorite
Secondary Commodities: Apatite (Gemstones)
Township or Area: Ross, Ross
Latitude: 45° 36' 13.02" Longitude: -76° 50' 18.56"
UTM Zone: 18 Easting: 356629 Northing: 5051651.99 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31F10SW
Point Location Description: approximate location
Location Method: Data Compilation
Access Description: Lots 12 & 13, Concession 2, on Muskrat Fault.
1944: E. Johnston – discovery. 1944: Dominion Magnesium Limited – stripping, sampling, pitting, DD-5
Province: Grenville
Subprovince: Central Metasedimentary Belt
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Vein | 1 | Calcite | Host |
|---|---|---|---|---|
| Gneiss-Unsubdivided | 2 | Contains | ||
| Paragneiss | 3 | Syenitic | Contains |
May 07, 2013 (A Wilson) - A 6 foot wide calcite-fluorite vein was traced for 35 feet. The vein strikes N55-70ºE and dips 50N. A small diamond drilling program completed in 1944 intersected the vein and it ranged in width from 4 to 23 feet. The fluorite content varied from 17-32% of the vein.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Fluorite | Economic | Ore | ||||
| 2 | Calcite | Economic | Ore | ||||
| 3 | Biotite | Economic | Ore | ||||
| 4 | Feldspar | Economic | Ore | ||||
| 5 | Scapolite | Economic | Ore | ||||
| 6 | Apatite | Economic | Ore |
May 07, 2013 (A Wilson) - The vein material consists of a coarse aggregate of pink calcite and purple or white fluorite. The fluorite comprises approximately 20-30% and occurs in patches 1-4 inches in diameter. Large crystals of biotite and feldspar as well as some scapolite and apatite also were observed.
| Rank | Classification |
|---|---|
| 1 | Vein |
| Rank | Characteristic |
|---|---|
| 1 | Vein |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Unknown |
Mono - Fluorspar in Ontario
Publication Number: IMR012 Scale: Date: 1997
Author: Guillet G.R.
Publisher Name: Ontario Dept. of Mines
Location:
MonoMap - Industrial minerals of the Pembroke-Renfrew area, part 2
Publication Number: MDC022 Scale: Date: 1981
Author: Storey C.C., Vos M.A.
Publisher Name: Ontario Geological Survey
Location:
Book - NMI #070529
Publication Number: N/A Scale: Date: 1996
Author:
Publisher Name:
Location:
MonoMap - Industrial minerals of the Algonquin region
Publication Number: OFR5425 Scale: Date: 1983
Author: Martin W.
Publisher Name: Ontario Geological Survey
Location:
Map - Geological series, industrial minerals of the Pembroke-Renfrew area, southern Ontario
Publication Number: P2209 Scale: 1:126,720 Date: 1980
Author: Vos M.A., Storey C.C.
Publisher Name: Ontario Geological Survey
Location:
Map - Cobden, Precambrian geology
Publication Number: M2460 Scale: 1:100,000 Date: 1983
Author: Lumbers S.B.
Publisher Name: Ontario Geological Survey
Location:
MonoMap - Summary of metallogeny, Renfrew County area
Publication Number: R212 Scale: Date: 1983
Author: Lumbers S.B.
Publisher Name: Ontario Geological Survey
Location:
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