Rock 365 : Day 262 : Pegmatitic Gabbro

20100919

Day 262 : A close-up of one of the cobbles of pegmatitic gabbro from Day 261.  The St David's Head intrusion is a layered intrusion, with this cobble originating close to its top. From Porthmelgan, Pembrokeshire.

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~ by hypocentre on September 19, 2010.

2 Responses to “Rock 365 : Day 262 : Pegmatitic Gabbro”

  1. That is gorgeous… I’d love to see a thin section.

  2. Nice close-up of the backyard rockscape!

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