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pro vyhledávání: '"Tyson C. Birkett"'
Publikováno v:
Precambrian Research. 81:67-82
A fine-grained, exotic-poor granite of the Strange Lake peralkaline complex contains zircons that are dated at 1240 ± 2 Ma. This granite is one of the oldest intrusions of this ring complex and one of only a few that contain primary zircon; others c
Publikováno v:
Canadian Journal of Earth Sciences. 32:1208-1220
Three U–Pb zircon dates were obtained from two igneous suites associated with cycle 2 sedimentation in the central New Québec Orogen (Labrador Trough). In the Dyke Lake area of the western part of the orogen (Schefferville zone), the Nimish Format
Autor:
Tyson C. Birkett
Publikováno v:
The Canadian Mineralogist. 41:1296-1297
Here is volume V, concluding a series describing all named mineral species and a resting point in a monumental compilation of mineral data. Earlier volumes have been reviewed ( 29 , 175–176; 33 , 1155; 36 , 232; 38 , 1487), and few details need be
Autor:
Tyson C. Birkett
Publikováno v:
The Canadian Mineralogist. 38:1487-1487
Here is the fourth volume of a monumental five-volume series of mineral data sheets. Data are presented for 680 of the about 3750 defined mineral species. Earlier volumes have been reviewed in The Canadian Mineralogist ( 29 , 175–176; 33 , 1155; 36
Autor:
Tyson C. Birkett
Publikováno v:
Canadian Journal of Earth Sciences. 15:859-861
ARNDT, N . T., and BROOKS, C. 1978. Iron-rich basaltic komatiites in the early Precambrian Vermilion District: Discussion. Canadian Journal of Earth Sciences, 15, pp. 856-857. ARNDT, N. T., NALDRETT, A. J., and PYKE, D. R. 1977. Komatiitic and iron-r