GRD02J9S0
JBUF-W
Micaceous Extrusive
Mesozoic › Jurassic › Late Jurassic › Tithonian
145.5
-
151.0
0
Ritter 154 › Cabinet 16 › Drawer O
kimberlite
kimberlite (Buffonta kimberlite consists of macrocrysts of olivine and phlogopite in a groundmass of olivine, phlogopite, calcite, perovskite, spinel, apatite and serpentine)
see pages 15-18 of NorthernOntario.pdf; the kimberlite dikes here intrude metavolcanic rocks near the contact with the Garrison monzonite (link with sample G1101); this sample from the westernmost of two small dikes
Ontario 2011
Canada
New Buffonta pit; approximately 25 km E of Matheson, Ontario and 2 km south of highway 101; UTM coordinates: 577422, 5369927 (WGS84, zone 17)
Latitude: 47.4777°
Longitude: -79.9524°
-
N/A
N/A
N/A
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