Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes
Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: Within frozen organic-rich silt. Diffuse bed up to 0.5 cm thick. References:  The variegated (VT) tephra: A new regional marker for middle to late marine isotope stage 5 across Yukon and 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hunker_Creek | 64.017 | -139.147 | Unknown, Unknown | 106000 ± 10000 TL; 7423; Age is approximate. Average age of two infrared stimulated luminescence ages on loess bracketing VT tephra at Halfway House. | Hunker Creek, Yukon. Four-m-thick placer mining exposure consisting of ice, organic-rich silt and a tephra. Coordinates from Jensen and others (2011). Datum not specified, assumed to be NAD83. | Within frozen organic-rich silt. Diffuse bed up to 0.5 cm thick. | UA1579 | Tephra Fall | Cumulate | Glass | 70.17 | 0.59 | 14.82 | 3.33 | 0.1 | 0.73 | 2.72 | 4.53 | 2.83 | 7423 | EMP | 3.33 | Cl=0.17; H2O=2.13 | EMP |
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.
Operations
Response
Staff
Fields of Study
Geology
Color Code Definitions
Webcams
Webicorders
RSAM
Great Sitkin
Aniakchak
Glossary
Recent Images
Browse Images
