Volcano List
About Alaska's Volcanoes Hazards from Alaska's Volcanoes
Map & Alphabetical List Interactive Map
Eruption Search Volcano Search
|
Text Description: Texture: Porphyry; groundmass <0.1 mm, massive plagioclase >> chlorite = mica; quartz as anhedral mosaics (xenolithics); apatite microphenocrysts. Alteration: Plagioclase altered to chlorite/mica, hornblende to chlorite/hematite; veinlets of hematite/calcite/mica References:  Petrography, chemistry, and geologic history of Yantarni volcano, Aleutian volcanic arc, 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 | 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 57.0179 | -157.1864 | Unknown, Unknown | Yantarni | Texture: Porphyry; groundmass <0.1 mm, massive plagioclase >> chlorite = mica; quartz as anhedral mosaics (xenolithics); apatite microphenocrysts. Alteration: Plagioclase altered to chlorite/mica, hornblende to chlorite/hematite; veinlets of hematite/calcite/mica | 50 | Lava | Whole-rock | 60.5 | 0.64 | 16 | 4.79 | 0.09 | 3.362 | 4.7 | 3.56 | 1.67 | 0.19 | Total calculated from mixed methods 99.7 | 199 | XRF | 1.98 | 2.99 | LOI=4.38 | XRF |
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
Trident
Glossary
Recent Images
Browse Images
