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Albee AL, Burnett DS, Chodos AA, et al. Ages, irradiation history, and chemical composition of lunar rocks from the sea of tranquillity. Science. 1970;167(3918):463-6doi: 10.1126/science.167.3918.463.
Albee, A. L., Burnett, D. S., Chodos, A. A., Eugster, O. J., Huneke, J. C., Papanastassiou, D. A., Podosek, F. A., Russ, G. P., Sanz, H. G., Tera, F., & Wasserburg, G. J. (1970). Ages, irradiation history, and chemical composition of lunar rocks from the sea of tranquillity. Science (New York, N.Y.), 167(3918), 463-6. https://doi.org/10.1126/science.167.3918.463
Albee, A L, et al. "Ages, irradiation history, and chemical composition of lunar rocks from the sea of tranquillity." Science (New York, N.Y.) vol. 167,3918 (1970): 463-6. doi: https://doi.org/10.1126/science.167.3918.463
Albee AL, Burnett DS, Chodos AA, Eugster OJ, Huneke JC, Papanastassiou DA, Podosek FA, Russ GP, Sanz HG, Tera F, Wasserburg GJ. Ages, irradiation history, and chemical composition of lunar rocks from the sea of tranquillity. Science. 1970 Jan 30;167(3918):463-6. doi: 10.1126/science.167.3918.463. PMID: 17781453.
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Science. 1970 Jan 30;167(3918):463-6. doi: 10.1126/science.167.3918.463.

Ages, irradiation history, and chemical composition of lunar rocks from the sea of tranquillity.

Science (New York, N.Y.)

A L Albee, D S Burnett, A A Chodos, O J Eugster, J C Huneke, D A Papanastassiou, F A Podosek, G P Russ, H G Sanz, F Tera, G J Wasserburg

PMID: 17781453 DOI: 10.1126/science.167.3918.463

Abstract

The (87)Rb-(87)Sr internal isochrons for five rocks yield an age of 3.65 +/-0.05 x 10(9) years which presumably dates the formation of the Sea of Tranquillity. Potassium-argon ages are consistent with this result. The soil has a model age of 4.5 x10(9) years, which is best regarded as the time of initial differentiation of the lunar crust. A peculiar rock fragment from the soil gave a model age of 4.44 x 10(9) years. Relative abundances of alkalis do not suggest differential volatilization. The irradiation history of lunar rocks is inferred from isotopic measurements of gadolinium, vanadium, and cosmogenic rare gases. Spallation xenon spectra exhibit a high and variable (131)Xe/(126)Xe ratio. No evidence for (129)I was found. The isotopic composition of solar-wind xenon is distinct from that of the atmosphere and of the average for carbonaceous chondrites, but the krypton composition appears similar to average carbonaceous chondrite krypton.

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