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Text Description: 0.5 cm thick; pumice with rare blocky shards with numerous small vesicles; in colluvial stony sand; field name JJO250. References:  A catalogue of late Cenozoic tephra beds in the Klondike Goldfields and adjacent areas, Yukon Territory |
| 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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| UT1844 | 63.551 | -139.92 | Jackson, L. E. J. | 0000-00-00 | Coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83. | 0.5 cm thick; pumice with rare blocky shards with numerous small vesicles; in colluvial stony sand; field name JJO250. | UT1844-P1 | Tephra Fall | Cumulate | Glass | 72.57 | 0.24 | 15.79 | 1.68 | 0.07 | 0.56 | 1.99 | 4.58 | 2.43 | 10021 | EMP | 1.68 | Cl=0.11; H2O=6.27 | EMP |
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