stripes
Occurrence number:
031-00-068
Country:
Canada
Region:
Ontario
Location:
Longitude: -82.8, Latitude: 48.43
Carbonatite:
No
This intrusion of 11x7 km emplaced in Precambrian high grade metamorphic rocks consists of syenites and alkaline diorites, but no descriptions are available.
Age:
A whole rock Rb-Sr isochron gave 1047±15 Ma (Bell and Blenkinsop, 1980, Table 3).
References:
BELL, K. and BLENKINSOP, J. 1980. Grant 42 ages and initial 87Sr-86Sr ratios from alkalic complexes of Ontario. Miscellaneous Paper, Ontario Geological Survey, 93: 16-23.
WATKINSON, D.H., THURSTON, P. and SHAFIQULLAH, M. 1972. The Shawmere anorthosite of Archean age in the Kapuskasing Belt, Ontario. Journal of Geology, 80: 736-9.
Location: