AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > UA562

SAMPLE INFO : UA562
Sample ID:UA562
Station ID:UA562
Latitude:61.6696
Longitude:-139.75998
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Uppermost 5-cm-thick tephra bed separated from middle tephra bed (WRA-E) by 10 cm of peat. Identified as reworked WRA-E by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).

References:
Chemical complexity and source of the White River Ash, Alaska and Yukon

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
UA56261.6696-139.75998Preece, S. J.< 1147 known unit; 2877; Mean age of east lobe of White River Ash, determined from four 14C ages on stumps buried in tephra. Reported by Clague and others (1995).803--Near intersection of Donjek River and the Alcan Highway, CanandaUppermost 5-cm-thick tephra bed separated from middle tephra bed (WRA-E) by 10 cm of peat. Identified as reworked WRA-E by Lerbekmo et al. (1975); composition of ilmenites in this sample reported in Lerbekmo et al. (1975).UA562Tephra FallCumulateGlass 75.04 0.18 14.01 1.27 0.05 0.28 1.54 3.89 3.43 9121EMP1.27Cl=0.33; H2O=3.04EMP 1.26 60.5 1214 535 27.8 43.6 5.02 16.1 3.66 0.7 2.65 0.27 1.6 0.27 0.83 0.18 1.14 0.17 7.33 172 6.74 4.97 0.83 19.8 9.25 3.06 9121ICPMS

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 G22AC00137

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