U-Pb age analyses on zircon grains from Basilika Formation bentonites (Bjørndalen area)


LA-ICP-MS analyses on zircon grains from Basilika Formation bentonites (Bjørndalen area). Analyses listed from lowest to highest 206Pb/238U age for 1000 Ma. Spot nomenclature follows the scheme x-y.z: with x=sample number, y=grain, z=spot. Disc.: per cent discordance for the given 207Pb/206Pb age. Error correl.: Error correlation coefficient for concordia coordinates. Concordia coordinates: y = 206Pb/238U = EXP(L238*(206-238 Age)) - 1; x = 207Pb/235U = EXP(L235 × (207-235 Age)) - 1; 207Pb/206Pb = 137.88 × x/y; Uranium decay constants (L238 & L235) are from (Jaffey et al., 1971). L238 = 1.55125 × 10-4/Ma; L235 = 9.8485 × 10-4/Ma. Reference: Jaffey, A., K. Flynn, L. Glendenin, W. Bentley, and A. Essling (1971), Precision Measurement of Half-Lives and Specific Activities of 235U and 238U, Phys. Rev. C, 4(5), 1889-1906.

DOI https://doi.org/10.1594/PANGAEA.860800
Related Identifier https://doi.org/10.1594/PANGAEA.860807
Related Identifier https://doi.org/10.3389/feart.2016.00073
Related Identifier https://doi.org/10.1103/PhysRevC.4.1889
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.860800
Creator Elling, Felix J ORCID logo; Spiegel, Cornelia ORCID logo; Estrada, Solveig ORCID logo
Publisher PANGAEA
Publication Year 2016
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Language English
Resource Type Dataset
Format text/tab-separated-values
Size 7339 data points
Discipline Geosciences; Natural Sciences
Spatial Coverage (15.284W, 78.183S, 15.287E, 78.189N); Svalbard, Norway