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STRONTIUM ISOTOPE GEOCHEMISTRY OF APOLLO 15 BASALTS

Compston, W., De laeter, J. R., Vemon, M. J.(1972). STRONTIUM ISOTOPE GEOCHEMISTRY OF APOLLO 15 BASALTS. THE APOLLO 15 LUNAR SAMPLES, 347-350. bibcode:1972afls.conf..347C

Datasets

numbertitleMethodsvariables analyzed
1ANALYTICAL DATA FOR APOLLO 15 MARE BASALTS. THE EXPERIMENTAL UNCERTAINTY (2𝛔) FOR 87RB/86SR IS ESTIMATED AS ± 3%, AND FOR 87SR/86SR AS ±0.00010. STATION NUMBERS REFER TO THE APOLLO 15 TRAVERSE. ALL X-RAY FLUORESCENCE DATA ARE FROM B.W. CHAPPELL AND M.J. KAYE (1).Rb, Rb, Sr, Sr, Rb87_Sr86, Sr87_Sr86, Sr87_Sr86
2PRELIMINARY ANALYTICAL DATA FOR APOLLO 15 SOILS. OWING TO SAMPLING FLUCTUATIONS, UNCERTAINTY OF THE ORDER ±5% MUST BE ASSIGNED TO COMBINING 87RB/86SR CALCULATED FROM XRF DATA WITH UNSPIKED 87SR/86SR ANALYSES MADE ON SEPARATE ALIQUOTS.Rb, Rb, Sr, Sr, Rb87_Sr86, Rb87_Sr86, Sr87_Sr86, Sr87_Sr86
3INITIAL 87SR/86SR FOR APOLLO 15 BASALTS ASSUMING 3.3 B.Y. FOR THEIR AGE. NO DIFFERENCES ABOVE EXPERIMENTAL ERROR (2𝛔±0.00015) ARE DETECTED.Sr87_Sr86(I)

Methods

method namelaboratorymethod comment More details are available for the following variables
CALCULATEDUNKNOWNCALCULATED FROM XRF DATA AFTER REMOVING BIAS OF -0.2 ppm Rb.
MASS SPECTROMETRYUNKNOWNRb87_Sr86 FROM UNSPIKED ANALYSIS OF SEPARATE 25-50 mg ALIQUOT OF POWDERED SAMPLE
MASS SPECTROMETRY ISOTOPE DILUTIONUNKNOWNN/A
X-RAY FLUORESCENCEUNKNOWNN/A

Samples

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