Core contains 7-cm-thick layer of tephra; core is located in a topographic low, which may account for the somewhat greater thickness of tephra at this location. Nearby cores contain thinner layers of tephra.
Correlation and petrological interpretation of abyssal and terrestrial tephra layers (Novarupta, Mazama, St. Helens, Washington)
Compositional heterogeneity of distal tephra deposits from the 1912 eruption of Novarupta, 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|
|Brown_Bear_Core_110-20||56.55103||-147.635543||Unknown, Unknown||1912-6-6||Abyssal piston core in the area to the southeast of Kodiak Island; located over 500 km downwind from the source volcano. The core is located in a topographic low. Datum unknown, assumed NAD27. Coordinates provided as degrees minutes seconds in publication and were converted to decimal degrees. See Nayudu (1964).||Core contains 7-cm-thick layer of tephra; core is located in a topographic low, which may account for the somewhat greater thickness of tephra at this location. Nearby cores contain thinner layers of tephra.||Brown_Bear_Core_110-20_high_silica||Tephra Fall||Cumulate||Glass||81.83||0.12||12.99||1.15||0.05||0.76||3.16||1091||EMP||1.15|
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.