AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 79AM44

SAMPLE INFO : 79AM44
Sample ID:79AM44
Station ID:79AM44
Latitude:57.713278937069
Longitude:-156.42609189207
Datum:NAD83
Date Sampled:1979-01-01
Sample Type 1:Lava
Field Lithology:Dacite
Text Description:
Hornblende-clinopyroxene-orthopyroxene-biotite porphyritic dacite. Phenocrysts of normal and oscillatory zoned plagioclase (27%), hornblende (3%), clinopyroxene (2%), orthopyroxene (1%), and biotite (2%) in fine-grained groundmass (59%) of felsic material and pale-brown glass. Trace of olivine and metallic oxides.

References:
Geology of the Ugashik-Mount Peulik volcanic center, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation 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
79AM4457.713278937069-156.42609189207Miller, T. P.1979-01-01 Ugashik calderaUgashik caldera, pre-caldera andesite and dacite dome breccias, west caldera/flank rimHornblende-clinopyroxene-orthopyroxene-biotite porphyritic dacite. Phenocrysts of normal and oscillatory zoned plagioclase (27%), hornblende (3%), clinopyroxene (2%), orthopyroxene (1%), and biotite (2%) in fine-grained groundmass (59%) of felsic material and pale-brown glass. Trace of olivine and metallic oxides.79AM44Whole Rock 61.5 0.54 16.7 5.3 0.14 2.7 6 3.6 1.6 0.11 3583XRF32.3CO2=0.76; H2OP=0.55; H2OM=0.43XRF: CO2; RAPIDA: H2OP, H2OM; Cl2 V=0.01, M=XRF, R=3583;F V=0.03, M=XRF, R=3583;Rb V=48, M=XRF-EDS, R=3583;Sr V=407, M=XRF-EDS, R=3583;Ba V=589, M=XRF-EDS, R=3583;La V=22, M=XRF-EDS, R=3583;Ce V=38, M=XRF-EDS, R=3583;Zr V=153, M=XRF-EDS, R=3583;Nb V=11, M=XRF-EDS, R=3583;Y V=18, M=XRF-EDS, R=3583;Cr V=31, M=XRF-EDS, R=3583;Ni V=10, M=XRF-EDS, R=3583;Cu V=20, M=XRF-EDS, R=3583;Zn V=58, M=XRF-EDS, R=3583;

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