AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 74AM54

SAMPLE INFO : 74AM54
Sample ID:74AM54
Station ID:74AM54
Latitude:57.75
Longitude:-156.466
Datum:NAD83
Date Sampled:1974-01-01
Sample Type 1:Lava
Field Lithology:Dacite
Text Description:
Porphyritic hornblende-biotite dacite. Phenocrysts chiefly plagioclase with hornblende and biotite in a vesiculated cryptocrystalline felsic groundmass.

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

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2geologic 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
74AM54 57.75 -156.466 Miller, T. P. 1974-01-01 Peulik far west flank of Peulik; block and ashflow deposits down from summit and east domes. Porphyritic hornblende-biotite dacite. Phenocrysts chiefly plagioclase with hornblende and biotite in a vesiculated cryptocrystalline felsic groundmass. 74AM54 Lava Whole Rock 62.8 0.31 15.8 3.5 0.14 1.1 9.3 4 1.5 0.21 3583XRF2.41.5CO2=0.01; H2OP=0.9; H2OM=0.4XRF: CO2; RAPIDA: H2OP, H2OM; Cl2 V=0, M=XRF, R=3583;F V=0, M=XRF, R=3583;Rb V=38, M=XRF-EDS, R=3583;Sr V=405, M=XRF-EDS, R=3583;Ba V=523, M=XRF-EDS, R=3583;La V=15, M=XRF-EDS, R=3583;Ce V=39, M=XRF-EDS, R=3583;Zr V=161, M=XRF-EDS, R=3583;Nb V=<10, M=XRF-EDS, R=3583;Y V=19, M=XRF-EDS, R=3583;Cr V=<20, M=XRF-EDS, R=3583;Ni V=<10, M=XRF-EDS, R=3583;Cu V=<10, M=XRF-EDS, R=3583;Zn V=72, 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