AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 04JSCH011

SAMPLE INFO : 04JSCH011
Sample ID:04JSCH011
Station ID:04JSCH011
Latitude:57.16668
Longitude:-157.02395
Datum:NAD83
Date Sampled:2004-08-23
Sample Type 1:Tephra Fall
Sample Type 2:Pumice
Field Lithology:Dacite
Final Unit:Pnba
Text Description:
Pumice is hbl-rich? and up to 10cm in diameter. Matrix is coarse to fine pink ash. This 4+m-thick unit is highly indurated. See station 08JRSCH062 for better location and section description.

General Mineralogy Description:
Major airfall pumice zone approx 8m below sample 04JSCH010. Pumice is hbl-rich and up to 10cm in diameter. Matrix is coarse to fine pink ash. This 4+m-thick unit is highly indurated.

Groundmass Description:
Matrix is coarse to fine pink ash

References:
Geologic map of Mount Chiginagak volcano, 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
04JSCH01157.16668-157.02395Schaefer, J. R. G.2004-08-23 ChiginagakMajor airfall pumice zone approx 8m below sample 04JSCH010Pumice is hbl-rich? and up to 10cm in diameter. Matrix is coarse to fine pink ash. This 4+m-thick unit is highly indurated. See station 08JRSCH062 for better location and section description.04JSCH011Tephra FallCumulatePnbaWhole-rock 60.92180602 0.816422944 17.71791762 6.440520242 0.149687233 2.779876608 6.656571877 2.847547073 1.477056886 0.192603696 98.0043513271XRF6.440520242 1.853319596 32.35843176 538.9295298 352.9800654 15.90371253 34.42453896 4.51082754 18.87398682 4.506543112 1.348150346 4.570219328 0.765510928 4.744074605 1.00445209 2.778067871 0.416794607 2.639986445 0.434560217 25.67051533 130.9264377 7.581456855 3.653135856 0.535889289 5.848304799 3.312693001 1.139262056 16.47144054 149.2 11.2 9.9 28.7 79.9 18.3 13271ICPMS: 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, Ni, 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 G22AC00137

Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.