Ontario Mineral Inventory

Ontario Geological Survey
Permanent Link to this Record: MDI31F04SW00221

Record: MDI31F04SW00221

General

Mineral Record Identification
Record Name(s) Highway 500 Occurrence - 2000
Related Record Type Simple
Record Status Discretionary Occurrence
Date Created 1986-Mar-04
Date Last Modified 2022-Jan-05
Created By Q Unknown
Revised By C Papertzian

Commodities

Primary Commodities: Uranium

Secondary Commodities: Thorium, Tantalum



Location

Township or Area: Dungannon

Latitude: 45° 3' 55.79"    Longitude: -77° 45' 39.54"

UTM Zone: 18    Easting: 282640.399   Northing: 4993935.31    UTM Datum: NAD83

Resident Geologist District: Southern Ontario

NTS Grid: 31F04SW

Point Location Description: Dot symbol ' a 31 ' on Hwy 500, 2.2 km E of Clark Creek.

Location Method: Conversion from MDI

Access Description: About 7.7 km E of Bancroft. A roadcut on the S side of Hwy 500, 2.4 km W of the York River bridge.



Geology

Province: Grenville

Geological Age: Mesoproterozoic  



Geology Comments

Dec 07, 2005 (C Papertzian) - Granite pegmatite (pink) with syenite intruding ampibolite and biotite gneiss. Anomalous radioactivity confined to an area 0.25 m wide by a few metres long. A reddish syenite sample near the dyke assayed 41 ppm U, 52 ppm Th. The dyke has a quartz core but the margins are feldspar and the radioactivity is concentrated in a hematized fracture.




Mineral Record Details

References

Map - Geological series, radioactive mineral deposits of the Pembroke-Renfrew area, southern Ontario

Publication Number: P2210 Scale: 1:126,720    Date: 1980

Author: Masson S.L., Gordon J.B., Storey C.C.

Publisher Name: Ontario Geological Survey


MonoMap - Radioactive mineral deposits of the Pembroke-Renfrew area

Publication Number: MDC023 Scale:     Date: 1981

Author: Masson S.L., Gordon J.B.

Publisher Name: Ontario Geological Survey


Mono - Uranium and thorium deposits of southern Ontario

Publication Number: OFR5311 Scale:     Date: 1981

Author: Gordon J.B., Rybak U.C., Robertson J.A.

Publisher Name: Ontario Geological Survey


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