Sample: 08JRSCH036


Sample ID: 08JRSCH036 [1]
Station ID: 08JRSCH036
AT Num:
Volcano: Chiginagak
Possible source:
Eruption:
Collector: Schaefer, J. R. G.
Date sampled: 2008-08-27
Sample type 1: Lava
Color:
Final unit: Plvc
Text Description: old lavas forming waterfalls in creek drainage. Same as 05JRSCH021? These lavas appear to have flowed around (are younger than) the pre-existing block and ash flow deposits that form the higher ridge to the west. Glacial till in boulders on surface. Lava sampled at western edge of flow. Chose similar sample 05JRSCH020 for Ar/Ar dating.
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