AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > GS-720-C

SAMPLE INFO : GS-720-C
Sample ID:GS-720-C
Station ID:GS-720-C
Latitude:52.0765
Longitude:-176.1109
Datum:NAD83
Date Sampled:1984-07-01
Sample Type 1:Lava
Sample Type 2:Flow
Field Lithology:Andesite
Text Description:
dark gray to black porphyritic andesite with phenocrysts of pl, lesser cpx, minor opx, mt, and rare, euhedral, coarse-grained (up to 2 cm) amph (from 1987 thesis)

References:
The petrology and geochemistry of the Great Sitkin Suite: implications for the genesis of calc-alkaline magmas

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
GS-720-C52.0765-176.1109Neuweld, M. A.1984-07-01 Great Sitkinwest side of Glacier Creekdark gray to black porphyritic andesite with phenocrysts of pl, lesser cpx, minor opx, mt, and rare, euhedral, coarse-grained (up to 2 cm) amph (from 1987 thesis)GS-720-CLavaWhole-rock 58 0.61 18.45 7.07 0.11 3.27 7.73 3.53 1.28 99.511930EMP: SiO2, TiO2, Al2O3, FeOT, MgO, CaO, K2O; INAA: MnO, Na2O; 7.07 0.597 630 10.501 26.288 15.253 3.749 1.084 0.611 2.565 0.335 2.706 0.231 3.469 1.586 18.556 9.978 20.146 6.419 10593.3311930INAA

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: www.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.