GRD03YRS0
19-3
Pyroclastic Deposits
Cenozoic › Neogene › Miocene
5.3
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23.0
0
Ritter 154 › Cabinet 15 › Drawer K
Tuff
Tuff consists mainly of irregular remnants of white K-spar (clinoptilolite) surrounded by analcime. Local hard chalcedony at top of tuff.
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California
Barstow, California
Latitude: 34.9°
Longitude: -117.1°