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SAMPLE INFO : 01KW-CP1-G3-1b-B
Sample ID:01KW-CP1-G3-1b-B
Station ID:01KW-CP1-G3
Latitude:61.22466
Longitude:-152.1986
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Stratigraphic Unit No. 9. Interpreted deposit type: tephra fall, locally reworked. Thickness: 63 cm. Grain size: coarse to fine ash. Bedding: massive; AT-227, AT-228 are mottled with pods of brown lapilli pumice (AT-228) possibly reworked. Sorting: AT-211 to AT-213, well-sorted; AT-227 to AT-228, moderately to poorly sorted. Juvenile clast type: white pumice (AT-211 to AT-213); white pumice (Hayes) and black glass scoria (re-worked Crater Peak) (AT-227, AT-228). Remarks: Hayes tephra-set middle. Munsell color-wet: 5Y 6/1. Munsell color-dry: 5Y 6/1. Grain shape: angular-subround. Age: ~3650+/-150 yr. B.P.

References:
Characterization and discrimination of Holocene tephra-fall deposits, Mount Spurr volcano, Alaska

GEOCHEM DATA
StationIDLatitudeLongitudeGeologistDateVisitedAge InfoVolcanoEruptionLocation DescriptionText DescriptionSample IDSample Type 1Sample Type 2Final UnitMaterialCoeffSiO2TiO2Al2O3FeOTMnOMgOCaONa2OK2OP2O5Total-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
01KW-CP1-G361.22466-152.1986Wallace, K. L.2001-08-06 Spurr-1800--Bench Gully-G3Stratigraphic Unit No. 9. Interpreted deposit type: tephra fall, locally reworked. Thickness: 63 cm. Grain size: coarse to fine ash. Bedding: massive; AT-227, AT-228 are mottled with pods of brown lapilli pumice (AT-228) possibly reworked. Sorting: AT-211 to AT-213, well-sorted; AT-227 to AT-228, moderately to poorly sorted. Juvenile clast type: white pumice (AT-211 to AT-213); white pumice (Hayes) and black glass scoria (re-worked Crater Peak) (AT-227, AT-228). Remarks: Hayes tephra-set middle. Munsell color-wet: 5Y 6/1. Munsell color-dry: 5Y 6/1. Grain shape: angular-subround. Age: ~3650+/-150 yr. B.P.01KW-CP1-G3-1b-BTephra FallCumulateGlass 57.59 1.66 16.25 9.03 0.2 2.9 6.65 3.34 1.94 1003405EMP9.03Cl=0.44EMP

SAMPLE LOCATION

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