AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 81ASJ86N

SAMPLE INFO : 81ASJ86N
Sample ID:81ASJ86N
Station ID:81ASJ86N
Latitude:62.353
Longitude:-143.554
Datum:NAD83
Date Sampled:1981-01-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Basalt
Text Description:
fine-grained vesicular olivine basalt flow. Most olivine phenocrysts are less than 1 mm in diameter. Sample is from a flow which is part of a post-Tanada cinder and lava cone. Sample is whole-rock K-Ar dated to 0.972 +/- 0.049 m.y.

References:
Shield volcanoes in the Wrangell Mountains, Alaska

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: www.avo.alaska.edu/samples/sample_info.php
Page modified: August 1, 2017 15:29
Contact Information: AVO Web Team

twitter @alaska_avo
facebook alaska.avo
email Receive volcano updates by email: USGS VNS

This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G22AC00137

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.