AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > Ahklun Mountains-Tephra-E_average

SAMPLE INFO : Ahklun Mountains-Tephra-E_average
Sample ID:Ahklun Mountains-Tephra-E_average
Station ID:Ahklun_Mountains_Regional_Tephra
Latitude:59.6
Longitude:-160.39998
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Tephra only found in Arolik Lake (Kaufman et al. 2003) (UA1795).

References:
Late Quaternary tephrostratigraphy, Ahklun Mountains, SW Alaska
A 33,000 year record of environmental change from Arolik Lake, Ahklun Mountains, 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
Ahklun_Mountains_Regional_Tephra59.6-160.39998Kaufman, D. S. 18665 ± 223 14C AMS; 7993; Age is approximate. Date derived from age model (using AMS dates) of Arolik Lake, in Kaufman and others (2012).Ahklun Mountains, southwest Alaska; glass compositions are averages calculated from analyses of multiple correlated tephra present in lacustrine cores from the area. Individual sample IDs (analyses of which contribute to the average tephra bed composition) are noted in the sample descriptions.Tephra only found in Arolik Lake (Kaufman et al. 2003) (UA1795). Ahklun Mountains-Tephra-E_averageTephra FallCumulateGlass 62.94 1.16 15.45 7.28 0.16 1.99 4.93 4.69 1.3 7993EMP7.28Cl=0.12; H2O=0.58EMP

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.