Within loose, inorganic silt that is heavily disturbed by modern root penetration. Approximately 10-11 m above Old Crow tephra and within 1 m of the surface. Light grey in color, up to 0.5 cm thick with diffuse contacts, can be followed for several meters across the section.
The variegated (VT) tephra: A new regional marker for middle to late marine isotope stage 5 across Yukon and Alaska
Tephrochronology of middle to late Pleistocene loess in east-central Alaska
|StationID||Latitude||Longitude||Geologist||DateVisited||Age Info||Volcano||Eruption||Location Description||Text Description||Sample ID||Sample Type 1||Sample Type 2||Final Unit||Material||Coeff||SiO2||TiO2||Al2O3||FeOT||MnO||MgO||CaO||Na2O||K2O||P2O5||Total-majors||REF majors||METH majors||Fe2O3/Fe203T orig||FeO/FeOT orig||Volatiles csv||METH volatiles||Cs||Rb||Ba||Sr||La||Ce||Pr||Nd||Sm||Eu||Gd||Tb||Dy||Ho||Er||Tm||Yb||Lu||Y||Zr||Nb||Hf||Ta||Pb||Th||U||Sc||V||Cr||Fe||Co||Ni||Cu||Zn||Ga||Mo||As||Na||K||Ref trace1||METH trace1||Rb||Ba||Sr||La||Ce||Nd||Sm||Eu||Gd||Dy||Er||Yb||Lu||Y||Zr||Nb||Pb||Th||U||Sc||Ti||V||Cr||Ni||Cu||Zn||Ga||Ref trace2||METH trace2||Light csv||Halogen csv||other major csv||other lile csv||other ree csv||other hfse csv||other hpe csv||other tm csv||other misc csv|
|Chester_Bluff||65.3336||-142.7422||Jensen, B. J. L.||106000 ± 10000 TL; 7423; Age is approximate. Average age of two infrared stimulated luminescence ages on loess bracketing VT tephra at Halfway House.||Chester Bluff, Alaska. Datum not specified, assumed to be NAD83. Coordinates from Jensen and others (2013), vary slightly from those reported in Jensen and others (2011).||Within loose, inorganic silt that is heavily disturbed by modern root penetration. Approximately 10-11 m above Old Crow tephra and within 1 m of the surface. Light grey in color, up to 0.5 cm thick with diffuse contacts, can be followed for several meters across the section.||UA1097||Tephra Fall||Cumulate||Glass||70.42||0.59||14.86||3.21||0.11||0.7||2.48||4.56||2.92||7423||EMP||3.21||Cl=0.15; H2O=3.31||EMP|
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