GRD00Q2S0
110-G2
Volcaniclastic Sediment
Cenozoic › Neogene › Miocene
5.3
-
23.0
1
Ritter 154 › Cabinet 17 › Drawer N
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Original label: Andesite mud flow. Dr Durrells area.
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California
Bonta Cr. Rd., Blairsden Quad.
Latitude: 39.8454°
Longitude: -120.6086°
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Amphibole with black rims in plagioclase-phyric matrix
2.5
plane
Amphibole with black rims in plagioclase-phyric matrix
2.5
crossed
-
scan
crossed
-
scan
plane
GRD00Q2T0: 50% matrix, 25% plagioclase, 15% amphibole, 10% biotite; amphibole and biotite with opaque rims, plagioclase exhibting Carlsbad and albite twinning, glassy altered matrix (C. Eichler)
N/A
N/A