AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 24

SAMPLE INFO : 24
Sample ID:24
Station ID:24
Latitude:57.0179
Longitude:-157.1864
Datum:NAD83
Sample Type 1:Lava
Sample Type 2:Flow
Text Description:
Texture: Porphyry; groundmass <0.1 mm, plagioclase >> chlorite + mica > clinopyroxene = opaque; clinopyroxene rims on orthopyroxene phenocrysts; originally vitric? Alteration: Zeolite/calcite/chlorite+mica as vugs in groundmass and as replacement of pyroxene phenocrysts and lithic

References:
Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, 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
24 57.0179 -157.1864 Unknown, Unknown Yantarni Texture: Porphyry; groundmass <0.1 mm, plagioclase >> chlorite + mica > clinopyroxene = opaque; clinopyroxene rims on orthopyroxene phenocrysts; originally vitric? Alteration: Zeolite/calcite/chlorite+mica as vugs in groundmass and as replacement of pyroxene phenocrysts and lithic 24 Lava Whole Rock 56.2 0.8 16.5 7.07 0.13 3.84 8.08 2.77 1.48 0.19Total calculated from mixed methods 99.9199XRF4.423.05LOI=2.88XRF

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: avo.alaska.edu/samples/sample_info.php
Page modified: December 2, 2016 10:12
Contact Information: AVO Web Team

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