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:54.708000000889
Longitude:-164.264
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
StationIDLatitudeLongitudeGeologistDateVisitedVolcanoEruptionLocation DescriptionText DescriptionSample IDMaterialSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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-14054.708000000889-164.264Unknown, Unknown2000-07-21FisherOn 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-140aWhole Rock 65.91 0.82 15.7 5.29 0.2 1.1 3.11 5.6 2.1 0.24 98.753574XRF5.29 2.61 44.65 776.49 283.06 19.63 44.67 6.37 28.02 7.34 2.12 7.65 1.3 8.28 1.75 4.86 0.73 4.62 0.74 43.59 208 6.37 6.18 0.48 10.86 4.15 1.86 13.78 3574ICPMS 10 0 2 4 110 223574XRF

SAMPLE LOCATION

Contact AVO Privacy Accessibility Information Quality FOIA
URL: avo.alaska.edu/samples/sample_info.php
Page modified: July 14, 2014 13:37
Contact Information: AVO Web Team

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