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Ontario Geological Survey
Permanent Link to this Record:
MDI000000001805
| Record Name(s) | Crystal Zone - 2013 |
|---|---|
| Related Record Type | |
| Related Record(s) | |
| Record Status | Prospect |
| Date Created | 2015-Jan-07 |
| Date Last Modified | 2022-Jul-15 |
| Created By | |
| Revised By |
Primary Commodities: Graphite
Township or Area: Galway
Latitude: 44° 44' 28.71" Longitude: -78° 28' 11.53"
UTM Zone: 17 Easting: 700309 Northing: 4957328 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31D09NW
Point Location Description: graphite exposure on west side of Loom Lake
Location Method: Data Compilation
2013-2014: Valterra Resource Corporation – mapping, sampling, trenching
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| Galway #72 / 2.54354 | 20000009220 | 20000009220 |
| Cavendish #160 / 2.55219 | 20000009172 | 20000009172 |
Province: Grenville
Subprovince: Central Metasedimentary Belt
Terrane: Bancroft
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Amphibolitic | Host |
|---|---|---|---|---|
| Marble | 2 | Calcitic | Host |
Jan 12, 2015 (A Wilson) - Preliminary mapping in the area has shown that the graphitic horizon is associated with abiotitic/amphibolite gneiss and occurs in a unit ranging from 65 metres to 250 metres wide. This zone is associated with the Salerno Creek Deformation Zone that forms a major tectonic boundary between the Bancroft Terrane and Harvey-Cardiff Arch.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Graphite | Economic | Ore |
Jan 12, 2015 (A Wilson) - Channel samples returned values >1% Cg including 3.0 m grading 2.3 Cg(%) and 2 m grading 1.8 Cg(%). The graphite occurs in a zone ranging from 65 to 250 m in width. Chip and grab samples ranging from 0.3 m to 1.0 m returned values ranging from 2.1 to 2.9 Cg(%). Higher grades of graphite are associated with the gneissic marble
| Rank | Classification |
|---|---|
| 1 | Industrial |
| Rank | Characteristic |
|---|---|
| 1 | Stratiform |
| Shape | Length | Thickness | Depth | Strike | Dip | Plunge | Trend | Age | Reference |
|---|---|---|---|---|---|---|---|---|---|
| Regular | 2500 | 200 |
Publication - Valterra Resource Corporation � press releases
Publication Number: Date: 2014
Author: Valterra Resource Corporation
Publisher Name: Valterra Resource Corporation
Location: Tweed RGO
Map - Haliburton-Bancroft area, Province of Ontario
Publication Number: M1957B Scale: 1:126,720 Date: 1997
Author: Satterly J., Hewitt D.F.
Publisher Name: Ontario Dept. of Mines
Location:
Map - Bedrock geology of Ontario, southern sheet
Publication Number: M2544 Scale: 1:1,000,000 Date: 1991
Author: Ontario Geological Survey
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