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SAMPLE INFO : 74-ALe-64
Sample ID:74-ALe-64
Station ID:74-ALe-64
Latitude:62.186
Longitude:-144.189
Datum:NAD83
Date Sampled:1974-00-00
Sample Type 1:Lava
Sample Unit:Qsl
Text Description:
Mount Sanford lava flows (Pleistocene). Chiefly andesite flows from central shield of Sanford, shields (?) related to three subsidiary centers, and postulated Sanford caldera. Unit also includes domes, pyroclastic deposits, and a variety of shallow intrusive rocks that are exposed on south and southeast faces of Mount Sanford. Local accumulations of cinders, scoria, and bombs (stippled areas) indicate location of small parasitic vents. Lenses of light colored silicic air-fall tuff are also present.

References:
Geologic map of the Gulkana A-1 Quadrangle, south-central Alaska

SAMPLE LOCATION

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Page modified: July 14, 2014 13:37
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