Rare-earth element patterns and carbon isotopic composition of carbonados: Implications for their crustal origin

Geochemical Journal

Volumn 30, Issue 3, 1996, Pages 189-194

  Kamioka, Hikari ^a   Shibata, Ken ^b,c   Kajizuka, Izumi ^b,d   Ohta, Tomoko ^b  

^a GEOLOGICAL SURVEY OF JAPAN   (Japan)

^b NAGOYA UNIVERSITY   (Japan)

^c NAGOYA BUNRI UNIVERSITY   (Japan)

^d Aichi Prefectural Ceramic Museum   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CARBON ISOTOPE; CARBONADO; CRUST; DIAMOND; ISOTOPIC COMPOSITION; REE;

BRAZIL; CENTRAL AFRICAN REPUBLIC;

EID: 0030449689     PISSN: 00167002     EISSN: None     Source Type: Journal    
DOI: 10.2343/geochemj.30.189     Document Type: Article

References (17)

1. Akagi, T. and Masuda, A. (1988) Isotopic and elemental evidence for a relationship between kimberlite and Zaire cubic diamonds. Nature 336, 665-667.
2. Bain, D. C. (1970) Plumbogummite-group minerals from Mull and Morvern. Mineral. Mag. 37, 934-938.
3. Cullers, R. L. and Graf, J. L. (1984) Rare earth elements in igneous rocks of the continental crust: predominantly basic and ultrabasic rocks. Rare Earth Element Geochemistry (Henderson, P., ed.), Elsevier, Amsterdam, 237-274.
4. Dubinchuk, V. T., Kochenov, A. V., Penkov, V. F., Sidorenko, G. A. and Uspensky, V. A. (1976) New formation in organic matter of sedimentary rocks under radioactive radiation. Dokl. Akad. Nauk SSSR 231, 973-976.
5. Galimov, E. M., Kaminsky, F. W. and Kodina, L. A. (1985) New data on carbonado carbon isotope compositions. Geochem. Int. 22, 18-21.
6. Gromet, L. P., Dymek, R. F., Haskin, L. A. and Korotev, R. L. (1984) The 'North American shale composite': its composition, major and trace element characteristics. Geochim. Cosmochim. Acta 48, 2469-2482.
7. Kagi, H., Takahashi, K., Hidaka, H. and Masuda, A. (1994) Chemical properties of Central African carbonado and its genetic implications. Geochim. Cosmochim. Acta 58, 2629-2638.
8. Kaminsky, F. V. (1987) Genesis of carbonado-poly-crystalline aggregate of diamond. Dokl. Akad. Nauk SSSR 294, 439-440.
9. Kirkley, M. B., Gurney, J. J., Otter, M. L., Hill, S. J. and Daniers, L. R. (1991) The application of C isotope measurements to the identification of the sources of C in diamonds: a review. Appl. Geochem. 6, 477-494.
10. Lefebvre, J.-J. and Gasparrini, C. (1980) Florencite, an occurrence in the Zairian copperbelt. Can. Mineral. 18, 301-311.
11. Masuda, A. (1975) Abundance of monoisotopic REE, consistent with the Leedey chondrite values. Geochem. J. 9, 193-194.
12. Masuda, A., Nakamura, N. and Tanaka, T. (1973) Fine structures of mutually normalised rare-earth patterns of chondrites. Geochim. Cosmochim. Acta 37, 239-248.
13. Ozima, M., Zashu, S., Tomura, K. and Matsuhisa, Y. (1991) Constraints from noble-gas contents on the origin of carbonado diamonds. Nature 351, 472-474.
14. Shibata, K., Kamioka, H., Kaminsky, F. V., Koptil, V. I. and Svisero, D. P. (1993) Rare earth element patterns of carbonado and yakutite: evidence for their crustal origin. Mineral. Mag. 57, 607-611.
15. Tanaka, T., Kamioka, H. and Yamanaka, K. (1988) A fully automated γ-ray counting and data processing system for INAA and analysis of rock reference samples. Bull. Geol. Surv. Jpn. 39, 537-557.
16. Trueb, L. F. and de Wys, E. C. (1971) Carbon from Ubangi - a microstructural study. Am. Mineral. 56, 1252-1268.
17. Vinogradov, A. P., Kropotva, O. I., Orlov, Y. L. and Grinenko, V. A. (1966) Isotopic composition of diamond and carbonado crystals. Geochem. Int. 3, 1123-1125.