Sample: 72-ARh-340


Sample ID: 72-ARh-340 [1]
Station ID: 72-ARh-340
AT Num:
Volcano:
Possible source:
Eruption:
Collector: Richter, D. H.
Date sampled: 1972-00-00
Sample type 1: Tuff
Color:
Final unit:
Text Description: Rhyodacite tuff breccia. Massive, structureless palagonitized breccia containing blocks and smaller fragments of rhyodacite mineralogically similar to the associated rhyodacite flows (Qr). Breccia probably represents an ice-flow contact deposit
Sample Location:

References Cited

[1] Geologic map of the Nabesna A-5 quadrangle, Alaska, 1976

Richter, D.H., and Smith, R.L., 1976, Geologic map of the Nabesna A-5 quadrangle, Alaska: US Geological Survey Geologic Quadrangle Map 1292, 1 sheet, available at http://www.dggs.dnr.state.ak.us/pubs/pubs?reqtype=citation&ID=13027 .