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SAMPLE INFO : 01KW-CP1-G1-5
Sample ID:01KW-CP1-G1-5
Station ID:01KW-CP1-G1
Latitude:61.22627
Longitude:-152.19463
Datum:NAD83
Sample Type 1:Tephra Fall
Text Description:
Stratigraphic Unit No. 3b. Interpreted deposit type: tephra fall. Thickness: 2 cm (62 cm cumulative; unit broken into four subunits based on bedding characteristics). Grain size: fine lapilli to coarse ash. Bedding: massive (entire unit consists of alternating massive and normally graded subunits). Sorting: well-sorted . Juvenile clast type: tan (rare-pumice-like clasts, yet still poorly vesiculated) and black (dense, scoria-like clasts). Remarks: representative sample. Munsell color-wet: 10Y 4/4. Munsell color-dry: 5Y 6/4. Grain shape: angular. Age: 840+/-60 yr. B.P. >1953.

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-G161.22627-152.19463Wallace, K. L.2001-07-02< 840 ± 60 14C; 831; From Waythomas (2001); age of wood collected from within a debris-flow deposit in Bench Gully. SpurrSpurr, Bench Gully (G1)Stratigraphic Unit No. 3b. Interpreted deposit type: tephra fall. Thickness: 2 cm (62 cm cumulative; unit broken into four subunits based on bedding characteristics). Grain size: fine lapilli to coarse ash. Bedding: massive (entire unit consists of alternating massive and normally graded subunits). Sorting: well-sorted . Juvenile clast type: tan (rare-pumice-like clasts, yet still poorly vesiculated) and black (dense, scoria-like clasts). Remarks: representative sample. Munsell color-wet: 10Y 4/4. Munsell color-dry: 5Y 6/4. Grain shape: angular. Age: 840+/-60 yr. B.P. >1953. 01KW-CP1-G1-5Tephra FallCumulateGlass 59.59 1.05 18.68 5.81 0.12 2.15 6.51 4.33 1.46 1003405EMP5.81Cl=0.31EMP

SAMPLE LOCATION

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