Oceanic pH control on the boron isotopic composition of foraminifera: Evidence from culture experiments

Paleoceanography

Volumn 11, Issue 5, 1996, Pages 513-517

  Sanyal, A ^a   Hemming, N G ^a   Broecker, W S ^a   Lea, David W ^b   Spero, Howard J ^c   Hanson, Gilbert N ^d  

^a Department of Earth and Environmental Sciences   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

^c UNIVERSITY OF CALIFORNIA   (United States)

^d STONY BROOK UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BORON ISOTOPE; BORON ISOTOPES; FORAMINIFERA; ISOTOPE FRACTION; OCEAN PH; PALAEO-PH TOOL; PALAEOCHEMISTRY; PH;

ORBULINA UNIVERSA;

EID: 0030499578     PISSN: 08838305     EISSN: None     Source Type: Journal    
DOI: 10.1029/96PA01858     Document Type: Article

References (12)

1. 2 concentration, Nature, 367, 260-264, 1994.
2. Bé, A.W.H., Gametogenic calcification in a spinose planktonic foraminifer, Globigerinoides sacculifer (Brady), Mar. Micropaleontol., 5, 283-310, 1980.
3. Hemming, N.G., and G.N. Hanson, Boron isotopic composition and concentration in modern marine carbonates, Geochim. Cosmochim. Acta, 56, 537-543, 1992.
4. Hemming, N.G., and G.N. Hanson, A procedure for the analysis of boron by negative thermal ionization mass spectrometry, Chem. Geol., 114, 147-156, 1994.
5. Kakihana, H., M. Kotaka, S. Satoh, M. Nomura, and M. Okamoto, Fundamental studies on the ion-exchange separation of boron isotopes. Bull. Chem. Soc. Jpn., 50(1), 158-163, 1977.
6. Lea, D.W., and H.J. Spero, Assessing the reliability of paleochemical tracers: Barium uptake in the shells of planktonic foraminifera, Paleoceanography, 9(3), 445-452, 1994.
7. 2 record in the Byrd ice core 50,000-5,000 years BP, Nature, 331, 609-611, 1988.
8. Sanyal, A., N.G. Hemming, G.N. Hanson, and W.S. Broecker, Evidence for a higher pH in the glacial ocean from boron isotopes in foraminifera, Nature, 373, 234-236, 1995.
9. 11B MAS NMR study, Am. Mineral., 79, 819-825, 1994.
10. 13C data, Nature, 335, 717-719, 1988.
11. Spivack, A.J., C.-F. You, and H. Jesse Smith, Foraminiferal boron isotope ratios as a proxy for surface ocean pH over the past 21 Myr, Nature, 363, 149-151, 1993.
12. Vengosh, A., Y. Kolodny, A. Starinsky, A.R. Chivas, and M.T. McCulloch, Coprecipitation and isotopic fractionation of boron in modern biogenic carbonates, Geochim. Cosmochim. Acta, 55, 2901-2910, 1991.