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SAMPLE INFO : 85CNS17
Sample ID:85CNS17
Station ID:85CNS17
Latitude:61.227686
Longitude:-152.225127
Datum:NAD83
Date Sampled:1985-01-01
Sample Type 1:Tephra Fall
Sample Type 2:Pyroclast
Text Description:
Pyroclast from uppermost surface of Crater Peak. Interpreted as a product of the 1953 eruption. Sample PUM-17 of Nye and Turner (1990). Light and dark pumice from uppermost unit near Hill 2495. Because this is uppermost layer at this location it is assigned to 1953. S16 is light lithology, S17 is dark.

References:
Petrology, geochemistry, and age of the Spurr volcanic complex, eastern Aleutian arc
Geochemistry of some Quaternary lavas from the Aleutian Arc and Mt. Wrangell

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
85CNS1761.227686-152.225127Nye, C. J.1985-01-01 Spurr1953-7-9Pyroclast from uppermost surface of Crater Peak. Interpreted as a product of the 1953 eruption. Sample PUM-17 of Nye and Turner (1990). Light and dark pumice from uppermost unit near Hill 2495. Because this is uppermost layer at this location it is assigned to 1953. S16 is light lithology, S17 is dark.85CNS17Tephra FallCumulateWhole-rock 54.89 0.86 18.8 7.68 0.15 4.58 8.02 3.81 0.95 0.26 100.863671XRF8.547.68 0.6 18.07 401 745 12.02 26.93 3.78 16.45 3.92 1.25 3.56 0.55 3.17 0.63 1.75 0.27 1.7 0.27 18.5 92.5 5.1 2.44 0.28 4.42 1.43 0.349 21 248 50 29 73 111 21.3 3671ICPMS
85CNS1761.227686-152.225127Nye, C. J.1985-01-01 Spurr1953-7-9Pyroclast from uppermost surface of Crater Peak. Interpreted as a product of the 1953 eruption. Sample PUM-17 of Nye and Turner (1990). Light and dark pumice from uppermost unit near Hill 2495. Because this is uppermost layer at this location it is assigned to 1953. S16 is light lithology, S17 is dark.85CNS17Tephra FallCumulateWhole-rock 54.35 0.91 18.61 7.68 0.14 4.85 8.14 4.07 0.99 0.26 2117XRF7.68 0.18863186 18.52579465 365.8728687 12.0109948 26.0627573 3.628553984 15.7651165 3.709241477 1.259677855 3.48543209 0.554531573 3.30212311 0.656506338 1.773216269 0.25610313 1.611588896 0.254660751 17.01142535 4.083495198 2.294983291 0.240495833 5.015210543 1.232614561 0.544226576 2117ICPMS
85CNS1761.227686-152.225127Nye, C. J.1985-01-01 Spurr1953-7-9Pyroclast from uppermost surface of Crater Peak. Interpreted as a product of the 1953 eruption. Sample PUM-17 of Nye and Turner (1990). Light and dark pumice from uppermost unit near Hill 2495. Because this is uppermost layer at this location it is assigned to 1953. S16 is light lithology, S17 is dark.85CNS17Tephra FallCumulateWhole-rock 54.54 0.87 18.77 7.62 0.14 4.87 8.15 3.75 1.02 0.27 99.931580XRF7.62LOI=0.05XRF 19 343 699 11 23 17 106 5.7 4 3 30 222 43 23 67 86 19 13291XRF
85CNS1761.227686-152.225127Nye, C. J.1985-01-01 Spurr1953-7-9Pyroclast from uppermost surface of Crater Peak. Interpreted as a product of the 1953 eruption. Sample PUM-17 of Nye and Turner (1990). Light and dark pumice from uppermost unit near Hill 2495. Because this is uppermost layer at this location it is assigned to 1953. S16 is light lithology, S17 is dark.85CNS17Tephra FallCumulateWhole-rock LOI=0.05XRF 15.9 708 15.6 91 6.3 31 1580XRF

SAMPLE LOCATION

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