The central granite

Unit: P 22 (affected by IG 2)

image TI-18

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Interbedded fine sandstones and siltstones thermally metamorphosed by the Central Granite. This is indicated by the cordierite spots in the finer grained horizons. (Cordierite is a mineral which develops as a result of contact metamorphism of Mg-Al rich argillaceous sediments).

Scale: coin is 20 mm in diameter

Grid reference: 936 269

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This page is maintained by Roger Suthren

Last Modified: 23 October, 2008