AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > WR2-11b

SAMPLE INFO : WR2-11b
Sample ID:WR2-11b
Station ID:WR2-11b
Latitude:62.00572
Longitude:-144.01935
Datum:NAD83
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Andesite
Text Description:
Light reddish hypersthene augite andesite. Sample of andesite flow from the rim of the active crater located on the south margin of the caldera. The flow is composed of plagioclase phenocryst, microphenocrysts of plagioclase, augite and hypersthene, surrounded by a matrix of glass. The glassy mesostasis also includes disseminated magnetite grains and microlites of pyroxene.

References:
The reconnaissance petrology of andesites from the Mount Wrangell Caldera, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedVolcanoEruptionLocation DescriptionText DescriptionSample IDMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
WR2-11b62.00572-144.01935Unknown, UnknownWrangellSample taken from the rim of the active crater located on the south margin of the calderaLight reddish hypersthene augite andesite. Sample of andesite flow from the rim of the active crater located on the south margin of the caldera. The flow is composed of plagioclase phenocryst, microphenocrysts of plagioclase, augite and hypersthene, surrounded by a matrix of glass. The glassy mesostasis also includes disseminated magnetite grains and microlites of pyroxene.WR2-11bWhole Rock 59.32 0.62 17.97 6.07 0.08 3.78 5.94 3.93 1.63 0.18 100.31845NN2.523.8H2OP=0.17; H2OM=0.31NN

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: www.avo.alaska.edu/samples/sample_info.php
Page modified: July 14, 2014 13:37
Contact Information: AVO Web Team

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