AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > UT1456

SAMPLE INFO : UT1456
Sample ID:UT1456
Station ID:Preece_2000_site_13
Latitude:63.6231
Longitude:-138.7149
Datum:NAD83
Date Sampled:1990-01-01
Sample Type 1:Tephra Fall
 Text Description:
Maximum thickness of 1 cm. Tephra is 24 to 39 cm above UT1060 and laterally continuous across exposure. From Preece et al. (2011): bubble-wall shards and trace amounts brown glass; in silt overlying gravel.

References:
Characterization, identity, distribution, and source of late Cenozoic tephra beds in the Klondike District of the Yukon, Canada
Changing ideas on the identity and stratigraphic significance of the Sheep Creek tephra beds in Alaska and the Yukon Territory, northwestern North America
A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory

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
Preece_2000_site_1363.6231-138.7149Alloway, B. V.1990-01-01< 190000 ± 20000 known unit; 4365; This is the maximum age of all Sheep Creek tephra from Westgate and others (2007), Dominion Creek tephra is slightly higher in stratigraphic position and therefore younger.Near Indian River, Yukon Territory, Canada. Maximum thickness of 1 cm. Tephra is 24 to 39 cm above UT1060 and laterally continuous across exposure. From Preece et al. (2011): bubble-wall shards and trace amounts brown glass; in silt overlying gravel.UT1456Tephra FallCumulateGlass 76.07 0.27 13.06 1.3 0.06 0.2 1.01 3.47 4.51 990EMP1.3Cl=0.07; H2O=3.37EMP 4.13 147 895 27.41 51.5 22.4 4.73 0.62 0.62 2.67 0.44 6.36 0.9 19.63 5.62 4.12 35 990INAA

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.