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You are here: Home > Samples > JRB12-131

Sample ID:JRB12-131
Station ID:JRB12
Sample Type 1:Tephra Fall
A mid to late Holocene cryptotephra framework from eastern North America

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
JRB1248.21277778-58.81833333Unknown, Unknown 1250 known unit; 1470; Age is approximate. Mean age of 11 radiocarbon samples from beneath the eastern lobe of the White River Ash, ranging from 1175-1390 yBP (from Lerbekmo and others 1975).803--Jeffrey's Bog, an ombrotrophic plateau bog located in Newfoundland that was sampled from the centre using an 11-cm-diameter Russian pattern corer, following a full stratigraphic investigation based on the Troels-Smith (1955) system. Coordinates provided as degrees/minutes/seconds and converted to decimal degrees. Datum not specified, assumed to be NAD83.JRB12-131Tephra FallCumulateGlass 74.32 0.19 14.25 1.49 0.05 0.36 1.87 4.2 3.28 11131EMP1.49H2O=2.56EMP


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