Structural or glacial benches (letter)

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Structural or glacial benches (letter)

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Description: 
Dolerite sills are structural rather than facial, as supposed by Bull. Wright Valley.
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Source: 
4(34):494-495
Bibliographic Citation: 
McGregor, V.R.Structural or glacial benches (letter)Journal of Glaciology4(34):494-4951963