|
Text Description: Maximum thickness of 10 cm. 1 m long lens at the base of 10 m of muck overlying 1 m of gravel. In July, UT14 was exposed at a similar horizon to UT17. Bubble-wall shards and lesser amounts of pumice. Field name MWM4. 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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Klondike_Site | 64.005 | -139.086 | Milner, M. W. | 1975-01-01 | 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). | Hunker Creek, Yukon Territory, Canada. Site 4 of Preece et al. (2000). 10 m of muck containing mammal fossils overlying 1 m of gravel; isolated cobbles of White Channel gravels overlying columnar jointed lavas. This section was destroyed during placer mining opration. Coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83. | Maximum thickness of 10 cm. 1 m long lens at the base of 10 m of muck overlying 1 m of gravel. In July, UT14 was exposed at a similar horizon to UT17. Bubble-wall shards and lesser amounts of pumice. Field name MWM4. | UT17 | Tephra Fall | Cumulate | Glass | 75.28 | 0.27 | 13.04 | 1.79 | 0.04 | 0.27 | 1.5 | 3.78 | 3.74 | 10271 | EMP | 1.79 | Cl=0.28; H2O=4.16 | EMP | 5.01 | 114 | 1062 | 25.32 | 61.8 | 27.2 | 5.87 | 0.95 | 1.01 | 4.35 | 0.63 | 7.47 | 0.89 | 11.56 | 3.87 | 6.99 | 40 | 990 | INAA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Klondike_Site | 64.005 | -139.086 | Milner, M. W. | 1975-01-01 | 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). | Hunker Creek, Yukon Territory, Canada. Site 4 of Preece et al. (2000). 10 m of muck containing mammal fossils overlying 1 m of gravel; isolated cobbles of White Channel gravels overlying columnar jointed lavas. This section was destroyed during placer mining opration. Coordinates from Preece et al. (2011). Datum not specified, assumed to be NAD83. | Maximum thickness of 10 cm. 1 m long lens at the base of 10 m of muck overlying 1 m of gravel. In July, UT14 was exposed at a similar horizon to UT17. Bubble-wall shards and lesser amounts of pumice. Field name MWM4. | UT17 | Tephra Fall | Cumulate | Glass | 75.45 | 0.27 | 12.98 | 1.78 | 0.06 | 0.27 | 1.5 | 3.76 | 3.72 | 990 | EMP | 1.78 | Cl=0.22; H2O=3.72 | EMP | 4.21 | 105 | 1043 | 144 | 24.5 | 53.1 | 5.78 | 23.5 | 5.58 | 0.93 | 4.77 | 0.89 | 5.38 | 1.26 | 3.47 | 0.56 | 3.57 | 0.57 | 34.1 | 252 | 6.81 | 9.24 | 4.14 | 6.09 | 10271 | ICPMS |
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.