Ontario Geological Survey
Permanent Link to this Record:
MDI42A11SE00116
| Record Name(s) | Rosario - MH-78-7 - 1978 |
|---|---|
| Related Record Type | Simple |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 1999-May-19 |
| Date Last Modified | 2023-Jan-06 |
| Created By | |
| Revised By |
Primary Commodities: Gold
Township or Area: Hoyle
Latitude: 48° 33' 28.61" Longitude: -81° 9' 23.63"
UTM Zone: 17 Easting: 488447.46 Northing: 5378328.419 UTM Datum: NAD83
Resident Geologist District: Timmins
NTS Grid: 42A11SE
Point Location Description: Point plotted on OBM topo map from data in assessement file
Location Method: Based on Assessment
Access Description: Bush trails north from the Kinross Gold Corporation security gate.
Exploration activities by Rosario Resources Inc in 1978.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 25, T-1928 | 42A11SE0081 | 42A11SE0081 |
Province: Superior
Subprovince: Abitibi
Terrane: Wawa-Abitibi
Belt: Abitibi
Tectonic Assemblage: Porcupine
Geological Age: Neoarchean
Metamorphism Type: Regional
Metamorphism Grade: Greenschist
| Rock Type | Rank | Composition | Texture | Relationship | Mafic lava flow-unsubdivided | 1 | Andesite | Massive, Amygdaloidal | Host |
|---|---|---|---|---|
| Siltstone | 2 | Graphitic Argillilte | Near |
Dec 07, 2005 (R Pressacco) - Interbedded sequence of (bleached) andesite, graphitic argillite, and chert-argillite-IF. A low gold value of 0.027 oz / ton Au / 10 ft was returned from a section of po-py-cpy bearing andesite. The drill log notes a total of approximately 10% combined sulphide content.
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Gold | Economic | Ore | ||||
| 1 | Pyrrhotite | Economic | Gangue | ||||
| 2 | Pyrite | Economic | Gangue | ||||
| 3 | Chalcopyrite | Economic | Gangue |
Dec 07, 2005 (R Pressacco) - Elevated, anomalous gold values are associated with an interval containing an estimated 10% combined po-py-cpy.
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For detailed information regarding this mineral record please contact the Timmins Resident Geologist District Office