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Rifting craton margins

Oceanic arc -Forearc -On-craton Passive margin -Ocean island -Abyssal Ophiolite Coot- intraplate Massif Cont- arc -Cont- rift Pre-ocecmic margin -PUM -... [Pg.900]

Oceanic arc Forearc On-craton Passive margin Ocean island Abyssal Ophiolite Cent- intraplate Massif Cent- arc Cent- rift Pre-oceanic margin... [Pg.902]

The study of the structure and tectonic evolution of Antarctica was stimulated by a proposal that the East Antarctic craton was originally connected to North America (Moores 1991 Dalziel 1991 Hoffman 1991). This startling hypothesis was preceded by reports of Hartnady (1986,1991) and was prompted by the work of the Bell and Jefferson (1987) who had previously correlated the late Precambrian rocks of western Canada with similar rocks in South Australia. These authors concluded that a rift had formed between western Canada and Australia at about 1,200 Ma and that both continental fragments had developed complementary passive rift margins by about 750 Ma. [Pg.278]

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See also in sourсe #XX -- [ Pg.86 ]



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