Photography by Martin Chalk











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NPAACT Home > Gallery > Rocks in and around Namadgi > 007 Cordierite

007 Cordierite

007 Cordierite - Photography by Kevin McCue

The long narrow bluish minerals in the shales in the contact zone between the hot igneous granitic intrusives and the surface sedimentary rocks are a magnesium, iron, aluminium silicate. (See the geological map of the ACT by Abell and others, 2008).

Photography by Kevin McCue

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