Ontario Geological Survey
Permanent Link to this Record:
MDI31E07NW00006
Record Name(s) | Murdy Quarry - 1989 |
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Related Record Type | Simple |
Related Record(s) | |
Record Status | Prospect |
Date Created | 1992-Feb-03 |
Date Last Modified | 2024-Apr-08 |
Created By | |
Revised By |
Primary Commodities: Gneiss
Township or Area: Finlayson, Finlayson
Latitude: 45° 28' 49.26" Longitude: -78° 55' 27.51"
UTM Zone: 17 Easting: 662223 Northing: 5038408.995 UTM Datum: NAD83
Resident Geologist District: Southern Ontario
NTS Grid: 31E07NW
Point Location Description: approximate
Location Method: Conversion from MDI
Access Description: On the southeast side of the road 1.8 and 1.9 km. east of the Tasso Lake bridge. The bridge is 19.7 km. north from Hwy. 60 along Muskoka Road 8.
circa 1991: pitting, aggregate extraction
Province: Grenville
Subprovince: Central Gneiss Belt
Geological Age: Mesoproterozoic
Rock Type | Rank | Composition | Texture | Relationship | Gneiss-Unsubdivided | 1 | Monzogranite | Is |
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Aug 15, 2011 (A Wilson) - Well layered, fine- to medium-grained, pink, feldspar-rich paragneiss (meta-arkose) with a penetrative foliation. Has the appearance of a sandstone. Thin layers (2-3 mm.) of slightly coarser grained arkosic material are spaced about 7.5 cm to 15 cm. The foliation is also defined by 3-4 mm thick layers of flattened quartz rods, layers of biotite-amphibolite and disseminated biotite and magnetite grains. Thin seams (~0.5 cm. wide) of medium-grained biotitic amphibolite are spaced about 0.2 to 1.0 metre apart. There appears to be abundant attractive, flat stone in this area, particularly suitable for the production of 10 cm (4n) veneer and thicker sills and steps.
Rank | Classification |
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1 | Decorative Aggregate |
Mono - Gneisses of the Parry Sound-Muskoka area: flagstone resources
Publication Number: OFR5725 Page: 56-57 Date: 1989
Author: Fouts C.R., Marmont C.
Publisher Name: Ontario Geological Survey
Location:
Map - Precambrian Geology, Kawagama Lake Area
Publication Number: P3525 Scale: 1:50,000 Date: 2003
Author: Lumbers S.B., Vertolli V.M.
Publisher Name: Ontario Geological Survey
Location:
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