Sm and Gd isotopic shifts of Apollo 16 and 17 drill stem samples and their implications for regolith history

Geochimica et Cosmochimica Acta

Volumn 71, Issue 4, 2007, Pages 1074-1086

  Hidaka, Hiroshi ^a   Yoneda, Shigekazu ^b  

^a HIROSHIMA UNIVERSITY   (Japan)

^b DEPARTMENT OF BOTANY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL COMPOSITION; GADOLINIUM; IRRADIATION; LUNAR CRUST; LUNAR SOIL; REGOLITH; SAMARIUM; SLAB; VERTICAL MIXING;

EID: 33846630390     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.gca.2006.10.015     Document Type: Article

References (36)

1. Blanchard D.P., Haskin L.A., Jacobs J.W., Brannnon J.C., and Korotev R. Major and trace element chemistry of Boulder 1 at Station 2, Apollo 17. The Moon 14 (1975) 359-371
2. Blanchard D.P., Jacobs J.W., Brannnon J.C., and Haskin L.A. Major and trace element composition of matrix and aphanitic clasts from consortium breccia 73215. Proc. Lunar Sci. Conf. 7 (1976) 2179-2187
3. Blanchard D.P., Jacobs J.W., and Brannnon J.C. Chemistry of ANT-suite and felsite clasts from consortium breccia 73215 and of gabbroic anorthosite 79215. Proc. Lunar Sci. Conf. 8 (1977) 2507-2524
4. Borchardt R., Stöffler D., Spettel B., Palme H., Wänke H., Wacker K., and Jessberger E.K. Composition, structure, and age of the Apollo 16 subregolith basement as deduced from the chemistry of post-Imbrium melt bombs. J. Geophys. Res. 91 (1986) E43-E54
5. Brunfelt A.O., Heier K.S., Nilssen B., Sundvoll B., and Steinnes E. Geochemistry of Apollo 15 and 16 materials. Proc. Lunar Sci. Conf. 4 (1973) 1209-1218
6. BVSP (Basaltic Volcanism Study Project), 1981. In: Basaltic Volcanism on the Terrestrial Planets. Pergamon, New York. 1286 pp.
7. Carrier W.D. Apollo drill core depth relationship. The Moon 10 (1974) 183-194
8. Crozaz G., Drozd R., Hohenberg C., morgan C., Ralston C., Walker R., and Yuhas D. Lunar surface dynamics: some general conclusions and new results from Apollo 16 and 17. Proc. Lunar Sci. Conf. 5 (1974) 2475-2499
9. Curtis D.B., and Wasserburg G.J. Apollo 17 neutron stratigraphy-sedimentation and mixing in the lunar regolith. The Moon 13 (1975) 185-227
10. Eugster O., Tera F., Burnett D.S., and Wasserburg G.J. Isotopic composition of gadolinium and neutron-capture effects in some meteorites. J. Geophys. Res. 75 (1970) 2753-2768
11. Haskin L.A., Helmke P.A., Blanchard D.P., Jacobs J.W., and Telunder K. Major and trace element abundances in samples from the lunar highlands. Proc. Lunar Sci. Conf. 4 (1973) 1275-1296
12. Heiken G.H., Vaniman D.T., and French B.M. In Lunar Sourcebook: a User's Guide to the Moon (1991), Cambridge University Press, Cambridge 736 pp
13. Hidaka H., and Gauthier-Lafaye F. Neutron capture effects on Sm and Gd isotopes in uraninites. Geochim. Cosmochim. Acta 65 (2001) 941-949
14. Hidaka H., Masuda A., Fujii I., and Shimizu H. Abundance of fissiogenic and pre-reactor natural rare-earth elements in a uranium ore sample from Oklo. Geochem. J. 22 (1988) 47-54
15. Hidaka H., Ebihara M., and Shima M. Determination of the isotopic compositions of samarium and gadolinium by thermal ionization mass spectrometry. Anal. Chem. 34 (1995) 1437-1441
16. Hidaka H., Ebihara M., and Yoneda S. High fluences of neutrons determined from Sm and Gd isotopic compositions in aubrites. Earth Planet. Sci. Lett. 173 (1999) 41-51
17. Hidaka H., Ebihara M., and Yoneda S. Isotopic study of neutron capture effects on Sm and Gd in chondrites. Earth Planet. Sci. Lett. 180 (2000) 29-37
18. Hidaka H., Ebihara M., and Yoneda S. Neutron capture effects on Sm, Eu and Gd in Apollo 15 deep drill core samples. Meteorit. Planet. Sci. 35 (2000) 581-589
19. Hidaka H., Yoneda S., and Marti K. Regolith history of the aubritic meteorite parent body revealed by neutron capture effects on Sm and Gd isotopes. Geochim. Cosmochim. Acta 70 (2006) 3449-3456
20. Hubbard N.J., Rhodes J.M., Gast P.W., Bansal B.M., Shih C.-Y., Wiesmann H., and Nyquist L.E. Lunar rock types: the role of plagioclase in non-mare and highland rock types. Proc. Lunar Sci. Conf. 4 (1973) 1297-1312
21. Hubbard N.J., Rhodes J.M., Wiesmann H., Shih C.-Y., and Bansal B.M. The chemical definition and interpretation of rock types returned from the non-mare regions of the Moon. Proc. Lunar Sci. Conf. 5 (1974) 1227-1246
22. Kornblum J.J., Fireman E.L., Levine M., and Aronson A. Neutrons in the moon. Proc. Lunar Sci. Conf. 4 (1973) 2171-2182
23. Lindstrom M.M., and Lindstrom D.J. Lunar granulites and their precursor anorthositic norites of the early lunar crust. J. Geophys. Res. 91 (1986) D263-D276
24. Lindstrom M.M., Nava D.F., Lindstrom D.J., Winzer S.R., Lum R.K.L., Schuhmann P.J., Schuhmann S., and Philpotts J.A. Geochemical studies of the white breccia boulders at North Ray Crater, Descartes region of the lunar highlands. Proc. Lunar Sci. Conf. 8 (1977) 2137-2151
25. Lingenfelter R.E., Canfield E.H., and Hampel V.E. The lunar neutron flux revisited. Earth Planet. Sci. Lett. 16 (1972) 355-369
26. Lugmair G.W., and Marti K. Neutron capture effects in lunar gadolinium and the irradiation histories of some lunar rocks. Earth Planet. Sci. Lett. 13 (1971) 32-42
27. 41Ca in an Apollo 15 drill core and the low-energy neutron flux in the Moon. Earth Planet. Sci. Lett. 148 (1997) 545-552
28. Pin C., and Zalduegui J.F.S. Sequential separation of light-rare-earth elements, thorium and uranium by miniaturized extraction chromatography: application to isotopic analyses of silicate rocks. Anal. Chim. Acta 339 (1997) 79-89
29. Rhodes J.M., Rodgers K.V., Shih C., Bansal B.M., Nyquist L.E., Wiesmann H., and Hubbard N.J. The relationship between geology and soil chemistry at the Apollo 17 landing site. Proc. Lunar Sci. Conf. 5 (1974) 1097-1117
30. Russ G.P. Apollo 16 neutron stratigraphy. Earth Planet. Sci. Lett. 19 (1973) 275-289
31. Russ G.P., Burnett D.S., and Wasserburg G.J. Lunar neutron stratigraphy. Earth Planet. Sci. Lett. 15 (1972) 172-186
32. Ryder, G., Norman, M.D., 1979. Catalog of Pristine Non-Mare Materials Part 1. Non-Anorthosited (Revised). JSC Publ. No. 14565, NASA Johnson Space Center, Houston. 147 pp.
33. Sands D.G., De Laeter J.R., and Rosman K.J.R. Measurements of neutron capture effects on Cd, Sm and Gd in lunar samples with implications for the neutron energy spectrum. Earth Planet. Sci. Lett. 186 (2001) 335-346
34. Shinotsuka K., Hidaka H., and Ebihara M. Detailed abundances of rare earth elements, thorium and uranium in chondritic meteorites: an ICP-MS study. Meteoritics 30 (1995) 694-699
35. Simonds, C.H., Warner, J.L., Phinney, W.C., 1975. The petrology of the Apennine Front revisited (abstract). In: Lunar Science VI, pp.744-746.
36. Wänke H., Palme H., Baddenhausen H., Dreibus G., Jagoutz E., Kruse H., Palme C., Spettel B., Teshke F., and Thacker R. New data on the chemistry of lunar samples: primary matter in the lunar highlands and the bulk composition of the Moon. Proc. Lunar Sci. Conf. 6 (1975) 1313-1340