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Text Description: Coarse-grained tephra deposits References:  Evidence of multiple thermokarst lake generations from an 11 800-year-old permafrost core on the northern Seward Peninsula, 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 | |
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| Kit-43 | 66.56583 | -161.48138 | Unknown, Unknown | 0000-00-00 | < 7653 ± 45 14C AMS; 12971; Remnants of shoots and mossess underlying tephra, at 276 cm core depth (lab number Poz-49863). | Espenberg | 350-cm-long sediment core taken in April 2009 from the centre of a drained thermokarst lake basin located on the Cape Espenberg lowlands, northern Seward Peninsula, NW Alaska. Core site is located 600 m inland from the Chukchi Sea coast and lies 7.4 m above sea level. Datum not specified, assumed to be NAD83. | Coarse-grained tephra deposits | Kit-43_201-200 | Tephra Fall | Cumulate | Glass | 51.08 | 2.57 | 15.12 | 10.17 | 0.15 | 5.95 | 9.57 | 3.74 | 1.18 | 0.45 | 100.01 | 12971 | EMP | 10.17 | Cl=0.04; F=0 | EMP |
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