Stepped-heating of carbonates and carbon-bearing quartz grains

Chemical Geology

Volumn 134, Issue 4, 1997, Pages 303-310

  Boyd, Stuart ^a,b   Wright, I P ^b   Pillinger, C T ^b  

^a UNIVERSITÉ PARIS DESCARTES   (France)

^b OPEN UNIVERSITY   (United Kingdom)

Author keywords

Carbon bearing quartz grains; Carbonates; Kinetics; Quartz grains; Stable isotopes; Stepped heating

Indexed keywords

CARBON; CARBONATE; QUARTZ; STABLE ISOTOPE; STEPPED HEATING;

EID: 0030762671     PISSN: 00092541     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0009-2541(96)00099-X     Document Type: Article

References (16)

1. Beaumont, V., 1994. Compositions isotopiques de l'azote et du carbone de la matière organique sédimentaire: une étude des silex précambriens. Ph.D. Dissertation, Université de Paris 7, Paris (unpublished).
2. Bottinga, Y., 1969. Calculated fractionation factors for carbon and hydrogen isotope exchange in the system calcite-carbon dioxide-graphite-methane-water vapour. Geochim. Cosmochim. Acta, 33: 49-64.
3. Boyd, S.R., 1996. Capacitance manometry for the determination of the ammonium content of potassic minerals. Chem. Geol. (submitted).
4. 15N in crustal rocks by static vacuum mass spectrometry: Application to the origin of the ammonium in the Cornubian batholith, southwest England. Geochim. Cosmochim. Acta, 57: 1339-1347.
5. Boyd, S.R., Rejou-Michel, A. and Javoy, M., 1994. Non-cryogenic purification of nanomole quantities of nitrogen gas for isotopic analysis. Anal. Chem., 66: 1396-1402.
6. Boyd, S.R., Wright, I.P. and Pillinger, C.T., 1996. The dust hunters. Ind. Dial. Rev. (submitted).
7. de Wit, M.J., Hart, R., Martine, A. and Abbott, P., 1982. Archean abiogenic and probable biogenic structures associated with mineralised hydrothermal vent systems and regional metasomatism, with implications for greenstone belt studies. Econ. Geol., 77: 1783-1802.
8. Franchi, I.A., Wright, I.P. and Pillinger, C.T., 1993. Constraints on the formation conditions of iron meteorites based on concentration and isotopic compositions of nitrogen. Geochim. Cosmochim. Acta, 57: 3105-3121.
9. Jackson, D.H., 1990. Charnockite formation in southern India. Ph.D. Dissertation, Open University, Milton Keynes (unpublished).
10. Kendall, C. and Grim, E., 1990. Combustion tube method for measurement of nitrogen isotope ratios using calcium oxide for total removal of carbon dioxide and water. Anal. Chem., 62: 526-529.
11. Martinez, I., Agrinier, P., Schärer, U. and Javoy, M., 1994. A SEM-TEM and stable isotope study of carbonates from the Haughton impact crater, Canada. Earth Planet. Sci. Lett., 121: 559-574.
12. 2 in Central Lau Basin basalts and ferrobasalts. Earth Planet. Sci. Lett., 121: 263-276.
13. Pineau, F. and Javoy, M., 1994. Strong degassing at ridge crests: The behaviour of dissolved carbon and water in basalt glasses at 14°N, Mid-Atlantic Ridge. Earth Planet. Sci. Lett., 123: 179-198.
14. Robert, F. and Halbout, J., 1990. A numerical model for isotopic patterns from thermal-extraction experiments. Meteoritics, 25: 291-299.
15. Russell, S.S., Arden, J.W. and Pillinger, C.T., 1991. Evidence for multiple sources of diamond from primitive chondrites. Science, 254: 1188-1191.
16. Wright, I.P. and Pillinger, C.T., 1989. Carbon isotope analysis of small samples by use of stepped-heating extraction and static mass spectrometry. In: W.C. Shanks and R.E. Criss (Editors), New Frontiers in Stable Isotope Research: Laser Probes, Ion Probes, and Small Sample Analysis. U.S. Geol. Surv. Bull., 1890: 9-34.