Grossular-epidote-prehnite skarn
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Fact sheet
Description: 

Darwin wrote "Miller says green is epidote by goniometer and white appears by blowpipe to be prehnite"

A spectacular assemblage consisting of euhedral, pale green epidote and zoned grossular garnet  together with angular crystals of prehnite and radiating spherules of probable pumpellyite. Collected Dec 1832 - Feb 1833.

In Place
In Time
Location description: 
Wollaston Island, Tierra del Fuego
Accuracy:
Location precision: 
Poor
Timescale:
Not known
Ma = Millions of years ago
In Focus
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Type:
Type: 
metamorphic
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