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GRANODIORITE WITH XENOLITHS - Scotland

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Home > MINERALS > UNUSUAL ROCKS AND MINERALS - WEIRD AND WONDERFUL !

  

GRANODIORITE WITH XENOLITHS


Dalbeattie, Dumfries and Galloway,
Scotland

 

The Criffel–Dalbeattie Pluton is the largest of the major granitic plutons in southern Scotland and is of Devonian age (400 million years old). It consists of a core of granite with an outer shell of granodiorite.

  

The word 'xenolith' literally means 'foreign rock' and is used by geologists to describe fragments of rock that have been incorporated into an igneous rock while it was molten. In this case the xenoliths are of diorite.

 

This is a vintage specimen, collected almost a century ago, in 1922. It is from an old university collection and has some painted numbers on the back. It has a cut base so it displays well.


Click on a picture for a larger image


Size:  8 x 7 x 4 centimetres
Weight:  418 grams

PRICE: £20.00
Sorry, this item has been sold or is out of stock