Sample: 09KCWES019


Sample ID: 09KCWES019 [1]
Station ID: 09KCWES019
AT Num:
Volcano: Kasatochi
Possible source:
Eruption:
Collector: Scott, W. E.
Date sampled: 2009-01-01
Sample type 1:
Color:
Final unit:
Text Description: Hand sample; >20g. Lava flow forms southernmost of 3 rocky points on lower NW flank. Pale reddish oxidization; cpx-bearing, but overall not highly porphyritic; probably same as WES023. Dense lava. 70% black. 20-30% phenocrysts ~1mm. Plag>cpx. Orange-brown alteration widely disseminated along small cracks and grain boundaries. Occasional gabbro inclusions and outsized amph (xenocrysts?)
Sample Location:

References Cited

[1] Geology of Kasatochi volcano, Aleutian Islands, Alaska, 2017

Nye, C.J., Scott, W.E., Neill, O.K., Waythomas, C.F., Cameron, C.E., and Calvert, A.T., 2017, Geology of Kasatochi volcano, Aleutian Islands, Alaska: Alaska Division of Geological & Geophysical Surveys Professional Report 123, 127 p., 1 sheet, scale 1:5000. http://doi.org/10.14509/29718