AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 96-Mc-37C

SAMPLE INFO : 96-Mc-37C
Sample ID:96-Mc-37C
Station ID:96-Mc-37
Latitude:54.1797
Longitude:-166.05288
Datum:NAD83
Date Sampled:1996-00-00
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Andesite
Final Unit:llp
Text Description:
Hly - Lava Point younger lava flow. Massive flow, locally more than 20 m thick, with well-preserved blocky rubble surface. Rock is a medium dark gray, porphyritic andesite (56.8% SiO2) containing phenocrysts of plagioclase (10-15%, 3-4 mm), clinopyroxene (1-4%, 2 mm), and olivine (trace - 1%, 1 mm) in a cryptocrystalline groundmass.

References:
Geologic map of Akutan Island, Alaska
The eruptive history, magmatic evolution, and influence of glacial ice at long-lived Akutan volcano, eastern Aleutian Islands, 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
96-Mc-3754.1797-166.05288McGimsey, R. G.1996-00-00 Akutanlat/long estimated from paper mapHly - Lava Point younger lava flow. Massive flow, locally more than 20 m thick, with well-preserved blocky rubble surface. Rock is a medium dark gray, porphyritic andesite (56.8% SiO2) containing phenocrysts of plagioclase (10-15%, 3-4 mm), clinopyroxene (1-4%, 2 mm), and olivine (trace - 1%, 1 mm) in a cryptocrystalline groundmass.96-Mc-37CLavallpWhole-rock 56.84 1.065 18.24 8.14 0.204 2.48 7.35 4.54 0.94 0.197 924XRF8.14 2.021061466 20.18172513 327.8034394 404.2823355 7.535826232 18.35542449 2.79816743 13.53144422 4.146825592 1.388400603 5.042027595 0.883365489 5.628348416 1.222656104 3.452770569 0.507290021 3.245585719 0.502868227 31.25767662 86.48898714 1.54744295 2.713918959 0.128138018 9.757592071 1.711215039 0.886006955 21.8062117 143 8 0 44 71 18 924ICPMS: Cs, Rb, Ba, Sr, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Y, Zr, Nb, Hf, Ta, Pb, Th, U, Sc; XRF: V, Cr, Cu, Zn, Ga;

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.