Ontario Geological Survey
Permanent Link to this Record:
MDI000000001440
| Record Name(s) | Cahill Lake Kyanite - 1971 |
|---|---|
| Related Record Type | |
| Record Status | Discretionary Occurrence |
| Date Created | 2012-Jul-24 |
| Date Last Modified | 2022-Jan-05 |
| Created By | A Wilson |
| Revised By | A Wilson |
Primary Commodities: Kyanite (Nonmetals)
Township or Area: Olrig
Latitude: 46° 21' 51.2" Longitude: -79° 2' 35.47"
UTM Zone: 17 Easting: 650522 Northing: 5136377 UTM Datum: NAD83
Resident Geologist District: Sudbury
NTS Grid: 31L06SE
Point Location Description: approximate
Location Method: Data Compilation
Access Description: The site is accessible via an access road along the hydro line.
Province: Grenville
Subprovince: Central Gneiss Belt
Terrane: Tomiko
Geological Age: Mesoproterozoic
| Rock Type | Rank | Composition | Texture | Relationship | Conglomerate | 1 | Metaconglomerate | Gneissic | Contains |
|---|
Jul 25, 2012 (A Wilson) - Kyanite-bearing, feldspathic gneiss unites containing less than 10% biotite, muscovite, garnet and iron-titanium oxide minerals and generally no more than a few feet thick, are intercalated with muscovitic and quartzose gneiss, kyanite-free feldspathic gneiss and hornblende gneiss.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Kyanite | Economic | Ore |
Jul 25, 2012 (A Wilson) - Kyanite occurs as coarse grained, flat-bladed crystals, up to 3 inches long and ½ inch across, concentrated in irregularly spaced layers, less than 1 inch thick, parallel to the stratiform foliation in the gneiss. The crystals are mainly light green, but some contain light blue zones in their central parts. The kyanite content varies from 10 to 20%.
| Rank | Classification |
|---|---|
| 1 | Replacement |
| Rank | Characteristic |
|---|---|
| 1 | Disseminated |
MonoMap - Geology of the North Bay area, districts of Nipissing and Parry Sound
Publication Number: R094 Scale: Date: 1971
Author: Lumbers S.B.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Map - North Bay area, Nipissing and Parry Sound districts
Publication Number: M2216 Scale: 1:126,720 Date: 1971
Author: Lumbers S.B.
Publisher Name: Ontario Dept. of Mines and Northern Affairs
Map - Precambrian Geology, Songris Area
Publication Number: P2847 Scale: 1:50,000 Date: 2006
Author: Easton R.M.
Publisher Name: Ontario Geological Survey
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For detailed information regarding this mineral record please contact the Sudbury Resident Geologist District Office