AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > FC-92

SAMPLE INFO : FC-92
Sample ID:FC-92
Station ID:FC-92
Latitude:54.616
Longitude:-164.355
Datum:NAD83
Date Sampled:2000-07-16
Sample Type 1:Tephra Fall
Text Description:
"Bullseye" type deposit, pumice on bottom, scoria on top. Pumice is currently ~20 cm which is minimum. Scoria above is very surficial, and is nota primary deposit. Digging into scoria "bed", it turns very fine in < 2cm (surface is coarse), then into silty stuff, then soily stuff. Pit was ~80 cm deep, and no pumice was found. Pumice airfall. Blonde, sparsely phyric, rare lithics. Largest clast ~3cm

References:
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: 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 G19AC00060 and G19AC00171.

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