AVO Logo
Site Map | FAQ |
Alaska Volcano Observatory
 
You are here: Home > Samples > FC-140a

SAMPLE INFO : FC-140a
Sample ID:FC-140a
Station ID:FC-140
Latitude:54.707
Longitude:-164.266
Datum:NAD83
Date Sampled:2000-07-21
Sample Type 1:Other
Sample Type 2:Pumice
 Text Description:
Fisher (?) pumice found in base of stream cut. Bottom couldn't be found. Deposit is >205cm, w/ color change (reddish tan to overlying dark) at 161. Largest lithic from highest 50 cm of reddish tan pumice is 38x20mm. Largest lithic from lower portion of reddish tan pumice is 36x8 mm. Largest lithic from grey pumice is 51x19 mm. Pumice airfall found above thick section is 46 cm thick (white/grey, some clasts are reddish. seems reversely graded). Between these two pumices, 2 more thin beds were found. Lower of these is yellow-white, ~4cm thick. Upper of these 2 is coarse and darker, ~8cm thick. Upper pumice layer. Not a bulk sample, just pumice

References:
Volcanism on Unimak Island, Alaska, USA: a special focus on Shishaldin and Fisher volcanoes

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-majorsREF majorsMETH majorsFe2O3/Fe203T origFeO/FeOT origVolatiles csvMETH volatilesCsRbBaSrLaCePrNdSmEuGdTbDyHoErTmYbLuYZrNbHfTaPbThUScVCrFeCoNiCuZnGaMoAsNaKRef trace1METH trace1RbBaSrLaCeNdSmEuGdDyErYbLuYZrNbPbThUScTiVCrNiCuZnGaRef trace2METH trace2Light csvHalogen csvother major csvother lile csvother ree csvother hfse csvother hpe csvother tm csvother misc csv
FC-14054.707-164.266Unknown, Unknown2000-07-21 FisherOn SE side of E. wall knob, on backside of wavecut wall.Fisher (?) pumice found in base of stream cut. Bottom couldn't be found. Deposit is >205cm, w/ color change (reddish tan to overlying dark) at 161. Largest lithic from highest 50 cm of reddish tan pumice is 38x20mm. Largest lithic from lower portion of reddish tan pumice is 36x8 mm. Largest lithic from grey pumice is 51x19 mm. Pumice airfall found above thick section is 46 cm thick (white/grey, some clasts are reddish. seems reversely graded). Between these two pumices, 2 more thin beds were found. Lower of these is yellow-white, ~4cm thick. Upper of these 2 is coarse and darker, ~8cm thick. Upper pumice layer. Not a bulk sample, just pumiceFC-140aOtherQuenched InclusionWhole-rock 65.91 0.82 15.7 5.29 0.2 1.1 3.11 5.6 2.1 0.24 98.753574XRF5.29 2.612794443 44.64687557 776.4884983 283.0578678 19.63060254 44.66657287 6.366657546 28.01816091 7.340882201 2.120980955 7.646749047 1.297790845 8.28202726 1.751559362 4.860875049 0.729176994 4.619898393 0.742761809 43.59311352 207.9989413 6.374388131 6.178625682 0.479922816 10.86011642 4.14846283 1.857991851 13.78473904 10 0 2 4 110 22 3574ICPMS: 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; XRF: V, Ni, Cu, Zn, Ga;

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: avo.alaska.edu/samples/sample_info.php
Page modified: August 1, 2017 15:29
Contact Information: AVO Web Team

twitter @alaska_avo
facebook alaska.avo
email Receive volcano updates by email: USGS VNS

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.