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Text Description: Occurs as pods of tephra within the Upper Gold Hill Loess. Pods as thick as 18 cm, about 2.5 m above the Sheep Creek tephra and 1.5 m below Eva Forest Bed at this location. Sharp upper and lower contacts, 10YR7/1. References: ![]() ![]() ![]() ![]() ![]() ![]() |
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 | |
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Eva_II | 64.8516 | -148.015 | Preece, S. J. | 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). | Exposure on the west side of EVA Creek mining cut, Ester, Alaska; Gold Hill Loess overlies the Dawson Cut Formation and is unconformably covered by the interglacial Eva Forest Bed. Location coordinates from Preece et al. (2011); datum not specified, assumed to be NAD83. | Occurs as pods of tephra within the Upper Gold Hill Loess. Pods as thick as 18 cm, about 2.5 m above the Sheep Creek tephra and 1.5 m below Eva Forest Bed at this location. Sharp upper and lower contacts, 10YR7/1. | UT828 | Tephra Fall | Cumulate | Glass | 75.4 | 0.27 | 13.23 | 1.66 | Reported analytical value of zero. Reported standard deviation value of zero. 0 | Reported analytical value of zero. Reported standard deviation value of zero. 0 | 1.44 | 4.14 | 3.61 | 94.96 | 56 | EMP | 1.66 | Cl=0.27 | EMP | 4.22 | 101 | 861 | 153 | 23.1 | 55 | 24.5 | 5.41 | 0.85 | 0.85 | 3.68 | 0.66 | 6.1 | 0.83 | 10.41 | 3.99 | 6.16 | 1.77 | 52 | 56 | INAA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Eva_II | 64.8516 | -148.015 | Preece, S. J. | 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). | Exposure on the west side of EVA Creek mining cut, Ester, Alaska; Gold Hill Loess overlies the Dawson Cut Formation and is unconformably covered by the interglacial Eva Forest Bed. Location coordinates from Preece et al. (2011); datum not specified, assumed to be NAD83. | Occurs as pods of tephra within the Upper Gold Hill Loess. Pods as thick as 18 cm, about 2.5 m above the Sheep Creek tephra and 1.5 m below Eva Forest Bed at this location. Sharp upper and lower contacts, 10YR7/1. | UT828 | Tephra Fall | Cumulate | Glass | 75.18 | 0.26 | 13.13 | 1.76 | 0.06 | 0.26 | 1.59 | 3.82 | 3.66 | 10631 | EMP | 1.76 | Cl=0.28; H2O=3.53 | EMP | 101 | 860 | 153 | 23.1 | 55 | 25 | 5.41 | 0.85 | 0.85 | 3.68 | 0.66 | 6.1 | 0.83 | 10.41 | 3.99 | 6.16 | 52 | 2166 | INAA | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Eva_II | 64.8516 | -148.015 | Preece, S. J. | 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). | Exposure on the west side of EVA Creek mining cut, Ester, Alaska; Gold Hill Loess overlies the Dawson Cut Formation and is unconformably covered by the interglacial Eva Forest Bed. Location coordinates from Preece et al. (2011); datum not specified, assumed to be NAD83. | Occurs as pods of tephra within the Upper Gold Hill Loess. Pods as thick as 18 cm, about 2.5 m above the Sheep Creek tephra and 1.5 m below Eva Forest Bed at this location. Sharp upper and lower contacts, 10YR7/1. | UT828 | Tephra Fall | Cumulate | Glass | 75.4 | 0.27 | 13.23 | 1.66 | 1.44 | 4.14 | 3.61 | 2166 | EMP | 1.66 | Cl=0.27 | EMP | 4.48 | 104 | 941 | 141 | 25.4 | 54.7 | 6.09 | 24.7 | 5.84 | 0.9 | 4.85 | 0.92 | 5.62 | 1.3 | 3.61 | 0.58 | 3.68 | 0.58 | 35.8 | 264 | 7.28 | 10.26 | 4.48 | 5.89 | 10271 | ICPMS |
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