AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > UT1635

SAMPLE INFO : UT1635
Sample ID:UT1635
Station ID:UT1635
Latitude:63.82
Longitude:-139.032
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
13 cm thick; bubble-wall shards, trace amounts of brown glass; in grey-brown organic-rich silt; field name 499b

References:
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory
Old Crow tephra across eastern Beringia: a single cataclysmic eruption at the close of Marine Isotope Stage 6
The application of ICP-MS methods to tephrochronological problems

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
UT163563.82-139.032Westgate, J. A.1999-01-01 25355 ± 136 known unit; 10281; Age is approximate. Weighted mean of two samples of graminoid leaves from in situ surface below tephra (original dates reported in Froese and others 2006; weighted mean reported in Preece and others 2011).-24050--Coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83.13 cm thick; bubble-wall shards, trace amounts of brown glass; in grey-brown organic-rich silt; field name 499bUT1635Tephra FallCumulateGlass 0.28 10301ICPMS 5.26 92.8 888 86.8 23.5 54.3 6.44 30.8 7.23 0.94 6.84 1.24 7.81 1.93 5.24 0.86 5.38 0.84 53.2 342 5.39 9.19 0.16 18.4 8.76 3.89 6.84 9 2.23 1.38 1.57 39.1 10301ICPMS

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.