GRD00DXS0
I-585
Syenite
Precambrian › Proterozoic › Mesoproterozoic › Stenian
1000.0
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1200.0
0
Ritter 154 › Cabinet 15 › Drawer C
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Fresh augite syenite from Port Coldwell alkaline complex
age from Platt and Mitchell, 1982
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Canada
Marathon, Ontario (north shore of Lake Superior)
Latitude: 48.7°
Longitude: -86.4°
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N/A
N/A
N/A
N/A