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Sample: 72-PCL-85

Sample ID: 72-PCL-85 [1]
Station ID: 72-PCL-85
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Lowe, P. C.
Date sampled: 1972-00-00
Sample type 1: Lava
Color:
Final unit:
Text Description: Wrangell Lava. Rhyodacite breccia. Strongly brecciated zones, probably representing vent areas, less than 100 m in diameter. Consists of rocks very similar to lighter-colored phases of unit QTr and presumably related to them. Unit contains minor dacitic to rhyolitic rocks. Locally, breccias contain small glassy plugs and scoria. No topographic expression of cone.
Sample Location:
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Legend
✕
Red (Warning)
Orange (Watch)
Yellow (Advisory)
Green (Normal)
Uninstrumented

200 km
100 mi
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References Cited

[1] Geologic map of the Nabesna B-5 Quadrangle, Alaska, 1982

Lowe, P.C., Richter, D.H., Smith, R.L., and Schmoll, H.R., 1982, Geologic map of the Nabesna B-5 Quadrangle, Alaska: US Geological Survey Geologic Quadrangle Maps 1566, 1 sheet, scale 1:63,360, available at http://www.dggs.dnr.state.ak.us/pubs/pubs?reqtype=citation&ID=13055 .