![]() Text03_BlankIC_ifyouknowtracer.m evaluates the multivariate overdispersion in the Pb Blank IC dataset, calculating a Pb Blank IC and uncertainty, along with covariance matrices. This script is run iteratively with the next code. Text02_BlankIC_LinearRegression.m regresses a 4–dimensional line through tracer–blank mixing data using the linear regression algorithm of McLean (2013) and overdispersion calculations of Vermeesch (2011). Text01_AmelinTarantola_MLE.m evaluates the Pb standard inter–calibration between NBS 981, NBS 982, and Puratronic Pb, using data from Amelin and Davis (2006). ![]() Metrology and Traceability of U–Pb Isotope Dilution Geochronology (EARTHTIME Tracer Calibration Part I) auxiliary materials (see above). The raw data is provided in Condon et al. The MATLAB workspaces (.mat files) consisting of parsed data are available from the authors for the EARTHTIME tracer calibration data. Evaluating Uncertainties in the Calibration of Isotopic Reference Materials and Multi–Element Isotopic Tracers (EARTHTIME Tracer Calibration Part II). This data set also contains a series of auxilliary files are MATLAB scripts that perform the algorithms described in a sister manuscript "McLean, N, Condon, D J, Schoene, B, and Bowring, S A, in-review. Ts06.xls U critical mixture isotope ratio data Ts05.xls Tracer–blank Pb isotope ratio data Ts04.xls GDMS elemental concentration data Ts03.xls Gravimetric–Tracer mixture isotope ratio data Ts01.xls Amelin and Davis (2006) Pb reference material isotope ratio data This data set contains isotope ratio data for the manuscript listed above. These data comprise the input measurement data for the EARTHTIME U–Pb Tracer Calibration experiment, the results of which are documented in the manuscript mentioned above. xls workbooks which contain the data auxiliary material for the manuscript "Metrology and Traceability of U–Pb Isotope Dilution Geochronology (EARTHTIME Tracer Calibration Part I)" by Daniel Condon, Blair Schoene, Noah McLean, Samuel Bowring and Randall Parrish, submitted to Geochimica et Cosmochimica Acta (June 2014). Input data from the EARTHTIME uranium and lead (U–Pb) isotope tracer calibration experiment What are we doing about climate change?.Understanding carbon capture and storage.What causes the Earth’s climate to change?.Donations and loans of materials collections.Integrated resource management in Eastern Africa. ![]() Rock Volume Characterisation Laboratory Cluster.Fluid and Rock Processes Laboratory Cluster. ![]()
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