AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 72-Arh-316

SAMPLE INFO : 72-Arh-316
Sample ID:72-Arh-316
Station ID:72-Arh-316
Latitude:62.128
Longitude:-143.4838
Datum:NAD83
Date Sampled:1972-00-00
Sample Type 1:Lava
Sample Type 2:Dome
Text Description:
Rhyodacite dome. Gray, rubble-covered dome. Relation to other volcanic units is not certain. Rocks are light gray to gray and contain small altered hornblende and hypersthene in a dense feldspar-rich hyalopilitic matrix.

References:
Geologic map of the Nabesna A-5 quadrangle, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-majorsREF majorsMETH majorsFe2O3/Fe203T origFeO/FeOT origVolatiles csvMETH volatilesCsRbBaSrLaCePrNdSmEuGdTbDyHoErTmYbLuYZrNbHfTaPbThUScVCrFeCoNiCuZnGaMoAsNaKRef trace1METH trace1RbBaSrLaCeNdSmEuGdDyErYbLuYZrNbPbThUScTiVCrNiCuZnGaRef trace2METH trace2Light csvHalogen csvother major csvother lile csvother ree csvother hfse csvother hpe csvother tm csvother misc csv
72-Arh-31662.128-143.4838Richter, D. H.1972-00-00 Nabesna A-5 quadrangle; Wrangell Lava; Wrangell Volcanic Field. lat long points derived from paper map.Rhyodacite dome. Gray, rubble-covered dome. Relation to other volcanic units is not certain. Rocks are light gray to gray and contain small altered hornblende and hypersthene in a dense feldspar-rich hyalopilitic matrix.72-Arh-316LavaWhole-rock 68.2 0.53 16.4 3 0.08 1 3.1 4.6 2 0.18 100.294537RAPIDA1.12H2O=1RAPIDA

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.