Metamorphic Geology of Leornian

Unit: A12

image MS-02

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A banded rock with strongly segregated mafic (dark) and felsic (light) bands. Mafic minerals predominate, hence the rock is termed a basic gneiss.

Scale: hammer shaft is 400 mm long.

Grid reference: 925 222

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This page is maintained by Roger Suthren

Last Modified: 21 October, 2008