Sample: 04JSCH008


Sample ID: 04JSCH008 [1]
Station ID: 04JSCH008
AT Num:
Volcano: Chiginagak
Possible source:
Eruption:
Collector: Schaefer, J. R. G.
Date sampled: 2004-08-23
Sample type 1: Lava
Color: Black and red
Final unit: Pnba
Text Description: Sample from interior of a weathered, ~1m conchoidally fractured block within a ~5m-thick block and ash flow unit. Abundant 1mm plag and pyx; some cpx(?) to 2mm. Unit is black and red and stands out in slope face, contrasting to the ~30m of overlying till.
Sample Location:

References Cited

[1] Geologic map of Mount Chiginagak volcano, Alaska, 2017

Schaefer, J.R., Scott, W.E., and Layer, P.W., 2017, Geologic map of Mount Chiginagak volcano, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2017-10, 32 p., 1 sheet, scale 1:25,000. http://doi.org/10.14509/29769