Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F04SE00049

Record: MDI31F04SE00049

General

Mineral Record Identification
Record Name(s) Ventures Ltd. Property - 1960, Egan Chute - 1960
Related Record Type Simple
Related Record(s)
Record Status Discretionary Occurrence
Date Created 1993-Mar-16
Date Last Modified 2022-Sep-27
Created By
Revised By

Commodities

Primary Commodities: Nepheline Syenite



Location

Township or Area: Dungannon

Latitude: 45° 4' 43.18"    Longitude: -77° 44' 1.81"

UTM Zone: 18    Easting: 284827   Northing: 4995324.99    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F04SE

Point Location Description: Point 5.5 km east of Vardy.

Location Method: Data Compilation

Access Description: Ventures Ltd drilled in the Egan Chute section of the York River nepheline gneiss band. The band extends north fom the York River bridge on Hwy 500 ( lot 12, con 11, Dungannon) for a distance of 6 miles to lot 1, con 3, Monteagle township. . This band is 500-1,000 ft wide and follows the York River valley much of the way.



Exploration History

1942-43 : Ventures Ltd. - DD-12.


Geology

Province: Grenville

Geological Age: Mesoproterozoic  



Lithology

Lithology Data
Rock Type Rank Composition Texture Relationship
Syenite 1 Nepheline Gneissic Host
Gabbro 2 Gabbro Intrudes
Marble 3 Adjacent

Lithology Comments

Dec 03, 2015 (A Wilson) - The York River nepheline gneiss band is overlain and underlain by marble and it commonly contains mafic facies. Evidence of metasomatism has been preserved.




Mineralization

Mineralization and Alteration
Rank Mineral Name Class Economic Mineral Type Alteration Mineral Type Alteration Ranking Alteration Intensity Alteration Style
1NephelineEconomicOre
2GarnetEconomicOre
3HornblendeEconomicOre
4PyroxeneEconomicOre

Mineralization Comments

Dec 03, 2015 (A Wilson) - An examination of the drill core indicated that the nepheline content was 0-63%.



Mineral Record Details

Classification
RankClassification            
1 Unknown
Characteristics
Rank Characteristic            
1 Stratabound

References

Part - Nepheline syenite deposits of southern Ontario

Publication Number: ARV69-08 Page: 70-75  Date: 1997

Author: Hewitt D.F., Armstrong H.S., Tilley C.E.

Publisher Name: Ontario Dept. of Mines

Location:


Book - GEOL ASSOC CAN , p 83-115

Publication Number: Vol 6-1 Date: 1953

Author:

Publisher Name: Geological Association of Canada

Location:


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