GRD00D7S0
I-520
Undersaturated
Cenozoic › Neogene › Miocene
5.3
-
23.0
0
Ritter 154 › Cabinet 20 › Drawer I
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Original description: Phonolitic trachyte.
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St. Helena
United Kingdom
St. Helena, Sandy Bay
Latitude: -16.0034°
Longitude: -5.7142°