AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > UA348

SAMPLE INFO : UA348
Sample ID:UA348
Station ID:Gold_Hill_Cut
Latitude:64.8633
Longitude:-147.9438
Datum:NAD83
Sample Type 1:Tephra Fall
 Text Description:
13-cm-thick, occurs ~ 1m below the Eva Forest Bed unconformity at Gold Hill.

References:
Discovery of a large-magnitude, late Pleistocene volcanic eruption in Alaska
Late Pliocene Dawson Cut forest bed and new tephrochronological findings in the Gold Hill Loess, east-central Alaska
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

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
Gold_Hill_Cut64.8633-147.9438Unknown, Unknown 124000 ± 10000 known unit; 10271; Age is approximate. Revised glass fission-track age with re-calibration; four Old Crow Tephra sample glass fission-track ages (UT1434, UT613, UT501, UT613).Gold Hill, Fairbanks, Alaska. Location coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83.13-cm-thick, occurs ~ 1m below the Eva Forest Bed unconformity at Gold Hill. UA348Tephra FallCumulateGlass 3.72 1792INAA3.18 3.9 1000 25.9 53 6.13 0.95 0.9 3.8 0.63 5.6 0.7 10 4 8.7 1792INAA
Gold_Hill_Cut64.8633-147.9438Unknown, Unknown 124000 ± 10000 known unit; 10271; Age is approximate. Revised glass fission-track age with re-calibration; four Old Crow Tephra sample glass fission-track ages (UT1434, UT613, UT501, UT613).Gold Hill, Fairbanks, Alaska. Location coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83.13-cm-thick, occurs ~ 1m below the Eva Forest Bed unconformity at Gold Hill. UA348Tephra FallCumulateGlass 75.55 0.28 12.99 1.68 0.04 0.28 1.49 3.78 3.63 10271EMP1.68Cl=0.27; H2O=3.05EMP

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.