GRD00FXS0
I-658
Syenite
Precambrian › Proterozoic › Mesoproterozoic › Stenian
1000.0
-
1200.0
0
Ritter 154 › Cabinet 15 › Drawer C
assimilation
Syenite with stringers of olivine-pyroxene-mica. Probably assimilation by syenite melt. Original description: Syenite (Q-Pl-Ks-Bi).
see Prostka (1973) for description of similar assimilation in Wyoming syenites.
-
New York
Benson Mine, Adirondacks
Latitude: 35.54°
Longitude: -115.56°
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N/A
N/A
N/A
Prostka_GSABulletin_1973
Prostka, H., 1973, Hybrid Origin of the Absarokite-Shoshonite-Banakite Series, Absaroka Volcanic Field, Wyoming, Geological Society of America Bulletin, no. 2, pg. 697-702.