GRD02IZS0
G1101
Monzonite
Precambrian › Archean › Neoarchean
2500.0
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2800.0
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Ritter 154 › Cabinet 15 › Drawer E
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Large samples of pink monzonite. Plagioclase-potassium feldspar-amphibole-quartz.
Garrison monzonite is ~20km diameter stock that forms host rock at Buffonta (see pages 15-18 of field trip guide NorthernOntario.pdf)
Ontario 2011
Canada
adjacent to Buffonta pit in Kirkland Lake kimberlite field, Ontario
Latitude: 48.4777°
Longitude: -79.9524°
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NorthernOntario.pdf
(11.8 MB)
Donaldson, J. A. and Munro, I., 1982, Excursion 16B: Precambrian geology of the Cobalt area, northern Ontario, Carleton University Field Trip Guide