Earthwatcher

Earthwatcher deceased

Posted: 05 Jan 2016


Taken: 05 Jan 2016

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5 sec. f/11.0 200.0 mm ISO 100

Canon EOS 600D

55-200mm


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Keywords

rock
mineral
garnet
Eclogite
pyroxene
omphacite
almandine


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Eclogite

Eclogite
A hand specimen of Eclogite - a high temperature, high pressure, metamorphic rock formed at great depth, ~ 45 km, at the junction between the lithosphere and the mantle. The red garnet (almandine) and the green pyroxene (omphacite) make this rock particularly striking.

Width of specimen: 9 cm.

Provenance of specimen: unknown (from rescued, unwanted, university teaching collection) :-(

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