Unit: P18

image PAL-04 - close-up

basalt

This is a close-up of the rock seen in image PAL-04 .

  • The larger white crystals are plagioclase feldspar (p in the lower image).
  • In between them are smaller crystals of darker minerals, mainly pyroxene (p).

Scale: Coin is 15mm across

Grid reference: 986 295

labelled basalt
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This page is maintained by Roger Suthren

Last Modified: 18 November, 2008