Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI42A11SE00117

Record: MDI42A11SE00117

General

Mineral Record Identification
Record Name(s) Rosario - MH-78-5 - 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

Commodities

Primary Commodities: Gold



Location

Township or Area: Hoyle

Latitude: 48° 33' 37.35"    Longitude: -81° 9' 17.8"

UTM Zone: 17    Easting: 488567.501   Northing: 5378598.369    UTM Datum: NAD83

Resident Geologist District: Timmins

NTS Grid: 42A11SE

Point Location Description: Point plotted on OBM topo map from information in assessment file

Location Method: Based on Assessment

Access Description: Bush trails from Kinross Gold security gate.



Exploration History

1978: Rosario Resources Canada Ltd. carried out drilling.


Assessment Work on File

Assessment Work on File
Office File Number Online Assessment File Identifier Online Assessment File Directory
25, T-1928 42A11SE0081 42A11SE0081

Geology

Province: Superior

Subprovince: Abitibi

Terrane: Wawa-Abitibi

Belt: Abitibi

Tectonic Assemblage: Porcupine

Geological Age: Neoarchean  

Metamorphism Type: Regional

Metamorphism Grade: Greenschist



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Claystone 1 Argillite Host
Sandstone 2 Greywacke Host

Lithology Comments

Dec 07, 2005 (R Pressacco) - Interbedded sequence of greywacke and argillites of the Porcupine Assemblage. Abundant carbonate alteration is present in the drill hole, but only trace amounts of gold were returned.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1GoldEconomicOre
1CarbonateEconomicGangue

Mineralization Comments

Dec 07, 2005 (R Pressacco) - A low gold value of 0.025 oz/ton Au / 1.0 ft (0.857 ppm Au over 0.3 m) was hosted by a narrow interval of contorted carbonate within a sequence of greywacke-argillite.



Mineral Record Details

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For detailed information regarding this mineral record please contact the Timmins Resident Geologist District Office