Sample: 10KCNYE003


Sample ID: 10KCNYE003 [1]
Station ID: 10KCNYE003
AT Num:
Volcano: Kasatochi
Possible source:
Eruption:
Collector: Nye, C. J.
Date sampled: 2010-01-01
Sample type 1:
Color:
Final unit:
Text Description: Hand sample; >20g. "black rock in bluff" from GPS site -- single rock from pf. probably lithic based on hs and ts. Greenish-black B/BA. Green alteration coating vugs and streaming though rock in cm-thick bands - like internal rinds. ~40% phenocrysts and microphenocrysts in black glassy matrix. Plag~=cpx, xls ~1mm.
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