AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > 20-D

SAMPLE INFO : 20-D
Sample ID:20-D
Station ID:Riehle_85_20
Latitude:61.302486739008
Longitude:-151.8283243849
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Coarse fraction of pale grey-brown pumice and some altered scoriae. Tephra sample from Crater Peak vent.

References:
A reconnaissance of the major Holocene tephra deposits in the upper Cook Inlet region, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialCoeffSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
Riehle_85_2061.302486739008-151.8283243849Riehle, J. R. SpurrImprecise georeference from Figure 2. West side of Cook Inlet, north of the Chakachatna River, west of Mount Spurr.Coarse fraction of pale grey-brown pumice and some altered scoriae. Tephra sample from Crater Peak vent.20-DTephra FallCumulateGlass 62.8 1.2 16.8 5.64 0.1 2.15 4.98 4.3 1.87 99.71788EMP6.215.64

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.