Sample: GS-720-C


Sample ID: GS-720-C [1]
Station ID: GS-720-C
AT Num:
Volcano: Great Sitkin
Possible source:
Eruption:
Collector: Neuweld, M. A.
Date sampled: 1984-07-01
Sample type 1: Lava
Color: dark gray to black
Final unit:
Text Description: dark gray to black porphyritic andesite with phenocrysts of pl, lesser cpx, minor opx, mt, and rare, euhedral, coarse-grained (up to 2 cm) amph (from 1987 thesis)
Sample Location:

References Cited

[1] The petrology and geochemistry of the Great Sitkin Suite: implications for the genesis of calc-alkaline magmas, 1987

Neuweld, M. A., 1987, The petrology and geochemistry of the Great Sitkin Suite: implications for the genesis of calc-alkaline magmas: Cornell University unpublished M.S. thesis, 174 p.