Taken from the rim of a large vesicular dacitic block with a bread-crust exterior. This block was apparently derived from the growing lava dome in the crater and is believed to be representative of the magma type which is now being extruded from the vent.
Augustine - evolution of a volcano
|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|
|P3-1B||59.3626||-153.435||Unknown, Unknown||1976-01-01||Augustine||1976-1-22||Augustine Island; From a dacite bock on the surface of the February 1976 pyroclastic flow||Taken from the rim of a large vesicular dacitic block with a bread-crust exterior. This block was apparently derived from the growing lava dome in the crater and is believed to be representative of the magma type which is now being extruded from the vent.||P3-1B||Whole-rock||63.5||0.54||16.4||5.4||0.12||3.2||6.3||3.5||1||0.05||99.2||1916||NN||2.1||3.4||H2OP=0.2; H2OM=0.2||NN|
This website is supported by the U.S. Geological Survey under Cooperative Agreement Grant G19AC00060 and G19AC00171.
Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.