Boron and magnesium isotopic composition of seawater

Geochemistry, Geophysics, Geosystems

Volumn 11, Issue 8, 2010, Pages

  Foster, G L ^a,b   Pogge Von Strandmann, P A E ^a   Rae, J W B ^a  

^a UNIVERSITY OF BRISTOL   (United Kingdom)

^b UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BORON; BORON COMPOUNDS; MAGNESIUM; SEAWATER;

ENVIRONMENTAL VARIABLES; ISOTOPIC COMPOSITION; ISOTOPIC SYSTEMS; LONG RESIDENCE TIME; MEAN VALUES; OCEAN BASINS; SEAWATER SAMPLES; SYSTEMATIC STUDY; SYSTEMATIC VARIATION; WATER DEPTH;

ISOTOPES;

BORON; HYDROCHEMISTRY; ISOTOPIC COMPOSITION; MAGNESIUM; SALINITY; SEAWATER; WATER DEPTH;

EID: 77956207003     PISSN: 15252027     EISSN: 15252027     Source Type: Journal    
DOI: 10.1029/2010GC003201     Document Type: Article

References (61)

1. Aggarwal, J. K., et al. (2003), Precise and accurate determination of boron isotope ratios by multi collector ICP?MS: Origin of boron in the Ngawha geothermal system, New Zealand, Chem. Geol., 199, 331-342, doi:10.1016/S0009- 2541(03)00127-X. (Pubitemid 36911043)
2. Aggarwal, J. K., et al. (2009), How well do non?traditional stable isotope results compare between different laboratories: Results from the interlaboratory comparison of boron isotope measurements, J. Anal. At. Spectrom., 24, 825-831, doi:10.1039/b815240c.
3. Barth, S. (1997), Boron isotopic analysis of natural fresh and saline waters by negative thermal ionization mass spectrometry, Chem. Geol., 143, 255-261, doi:10.1016/S0009-2541 (97)00107-111
4. Berner, E. K., and R. A. Berner (1996), Global Environment: Water, Air and Geochemical Cycles, Prentice Hall, Upper Saddle River, N. J.
5. Black, J. R., et al. (2006), An experimental study of magnesium?isotope fractionation in chlorophyll?a photosynthesis, Geochim. Cosmochim. Acta, 70, 4072-4079, doi:10.1016/j.gca.2006.06.010. (Pubitemid 44173632)
6. Bolou?Bi, E. B., et al. (2009), Magnesium isotope compositions of natural reference materials, Geostand. Geoanal. Res., 33, 95-109, doi:10.1111/j.1751- 908X.2009.00884.x.
7. Carpenter, J., and M. Manella (1973), Magnesium to chlorinity ratios in seawater, J. Geophys. Res., 78, 3621-3626, doi:10.1029/JC078i018p03621.
8. Catanzaro, E. J., et al. (1970), Standard Reference Materials: Boric Acid; Isotopic, and Assay Standard Reference Materials, Natl. Bur. of Stand. Spec. Publ., 260-17, 70 pp., U.S. Govt. Print. Off., Washington, D. C.
9. Chakrabarti, R., and S. B. Jacobsen (2010), The isotopic composition of magnesium in the inner solar system, Earth Planet. Sci. Lett., 293, 349-358, doi:10.1016/j.epsl.2010.03.001.
10. Chang, V. T. C., et al. (2003), Purification of Mg from low Mg biogenic carbonates for isotope ratio determination using multiple collector ICP-MS, J. Anal. At. Spectrom., 18, 296-301, doi:10.1039/b210977h.
11. Chang, V. T. C., et al. (2004), Mg and Ca isotope fractionation during CaCO3 biomineralisation, Biochem. Biophys. Res. Commun., 323, 79-85, doi:10.1016/j.bbrc.2004.08.053. (Pubitemid 39200652)
12. de Villiers, S., et al. (2005), The composition of the continental river weathering flux deduced from seawater Mg isotopes, Chem. Geol., 216, 133-142, doi:10.1016/j.chemgeo.2004. 11.010.
13. Dickson, A. G. (1990), Thermodynamics of the dissociation of boric acid in synthetic seawater from 273.15 to 318.15 K, Deep Sea Res., 37(5), 755-766, doi:10.1016/0198-0149 (90)90004-F.
14. Foster, G. L. (2008), Seawater pH, pCO2 and [CO3 2-] variations in the Caribbean Sea over the last 130 kyr: A boron isotope and B/Ca study of planktic foraminifera, Earth Planet. Sci. Lett., 271, 254-266, doi:10.1016/j.epsl.2008. 04.015.
15. Foster, G. L., et al. (2006), Accurate and precise isotopic measurement of sub?nanogram sized samples of foraminiferal hosted boron by total evaporation NTIMS, Chem. Geol., 230, 161-174, doi:10.1016/j.chemgeo.2005.12.006.
16. Gaillardet, J., and C. J. Allegre (1995), Boron isotopic compositions of corals: Seawater or diagenesis record?, Earth Planet. Sci. Lett., 136, 665-676, doi:10.1016/0012-821X (95)00180-K.
17. Galy, A., et al. (2002), Mg isotopic composition of carbonate: Insights from speleothem formation, Earth Planet. Sci. Lett., 201, 105-115, doi:10.1016/S0012-821X(02)00675-1. (Pubitemid 34834439)
18. Galy, A., et al. (2003), Magnesium isotope heterogeneity of the isotopic standard SRM980 and new reference materials for magnesium?isotope?ratio measurements, J. Anal. At. Spectrom., 18, 1352-1356, doi:10.1039/b309273a.
19. Gonfiantini, R., et al. (2003), Intercomparison of boron isotope and concentration measurements. Part II: Evaluation of results, Geostand. Newsl., 27(1), 41-57, doi:10.1111/ j.1751-908X.2003.tb00711.x.
20. Hemming, N. G., and G. N. Hanson (1992), Boron isotopic composition and concentration in modern marine carbonates, Geochim. Cosmochim. Acta, 56, 537-543, doi:10.1016/ 0016-7037(92)90151-90158
21. Hippler, D., et al. (2009), Towards a better understanding of magnesium?isotope ratios from marine skeletal carbonates, Geochim. Cosmochim. Acta, 73, 6134-6146, doi:10.1016/j. gca.2009.07.031.
22. Holland, H. D. (2005), Sea level, sediments and the composition of seawater, Am. J. Sci., 305, 220-239, doi:10.2475/ ajs.305.3.220.
23. Hönisch, B., and N. G. Hemming (2004), Ground?truthing the boron isotope-paleo-pH proxy in planktonic foraminifera shells: Partial dissolution and shell size effects, Paleoceanography, 19, PA4010, doi:10.1029/2004PA001026. (Pubitemid 40447405)
24. Hönisch, B., and N. G. Hemming (2005), Surface ocean pH response to variations in pCO2 through two full glacial cycles, Earth Planet. Sci. Lett., 236(1-2), 305-314, doi:10.1016/j. epsl.2005.04.027. (Pubitemid 40984436)
25. Hönisch, B., et al. (2003), The influence of symbiont photosynthesis on the boron isotopic composition of foraminifera shells, Mar. Micropaleontol., 928, 1-10.
26. Hönisch, B., et al. (2009), Atmospheric carbon dioxide concentration across the Mid?Pleistocene Transition, Science, 324, 1551-1554, doi:10.1126/science.1171477.
27. Klochko, K., et al. (2006), Experimental measurement of boron isotope fractionation in seawater, Earth Planet. Sci. Lett., 248, 261-270, doi:10.1016/j.epsl.2006.05.034. (Pubitemid 44138524)
28. Lear, C. H., et al. (2000), Cenozoic deep?sea temperatures and global ice volumes from Mg/Ca in benthic foraminiferal calcite, Science, 287, 269-272, doi:10.1126/science. 287.5451.269.
29. Lécuyer, C., et al. (2002), 11B-10B analysis of geological materials by ICP?MS Plasma 54: Application to the boron fractionation between brachiopod calcite and seawater, Chem. Geol., 186, 45-55, doi:10.1016/S0009- 2541(01) 00425-9. (Pubitemid 34653426)
30. Lee, K., et al. (2010), The universal ratio of boron to chlorinity for the North Pacific and North Atlantic oceans, Geochim. Cosmochim. Acta, 74, 1801-1811, doi:10.1016/j.gca.2009. 12.027.
31. Lemarchand, D., et al. (2002), Boron isotope systematics in large rivers: Implications for the marine boron budget and paleo?pH reconstruction over the Cenozoic, Chem. Geol., 190, 123-140, doi:10.1016/S0009-2541(02)00114-6. (Pubitemid 35337563)
32. Locarnini, R. A., et al. (2006), World Ocean Atlas 2005, vol.1, Temperature, NOAA Atlas NESDIS, vol.61, edited by S. Levitus, 182 pp., NOAA, Silver Spring, Md.
33. Ni, Y., G. L. Foster, T. Bailey, T. Elliott, D. N. Schmidt, P. Pearson, B. Haley, and C. Coath (2007), A core top assessment of proxies for the ocean carbonate system in surface-dwelling foraminifers, Paleoceanography, 22, PA3212, doi:10.1029/2006PA001337. (Pubitemid 350201892)
34. Ni, Y., et al. (2010), The accuracy of d11B measurements of foraminifers, Chem. Geol., 274, 187-195, doi:10.1016/j. chemgeo.2010.04.008.
35. Nürnberg, D., et al. (1996), Assessing the reliability of magnesium in foraminiferal calcite as a proxy for water mass temperatures, Geochim. Cosmochim. Acta, 60(5), 803-814, doi:10.1016/0016-7037(95)00446-7.
36. Palmer, M. R., et al. (1998), Reconstructing past ocean pH-depth profiles, Science, 282, 1468-1471, doi:10.1126/ science.282.5393.1468.
37. Pearson, N. J., et al. (2006), The isotopic composition of magnesium in mantle olivine: Records of depletion and metasomatism, Chem. Geol., 226, 115-133, doi:10.1016/j. chemgeo.2005.09.029. (Pubitemid 43240039)
38. Pearson, P. N., et al. (2009), Atmospheric carbon dioxide through the Eocene-Oligocene climate transition, Nature, 461, 1110-1113, doi:10.1038/nature08447.
39. Pogge von Strandmann, P. A. E. (2008), Precise magnesium isotope measurements in core top planktic and benthic foraminifera, Geochem. Geophys. Geosyst., 9, Q12015, doi:10.1029/2008GC002209.
40. Pogge von Strandmann, P. A. E., et al. (2008a), The influence of weathering processes on riverine magnesium isotopes in a basaltic terrain, Earth Planet. Sci. Lett., 276, 187-197, doi:10.1016/j.epsl.2008.09.020.
41. Pogge von Strandmann, P. A. E., et al. (2008b), Lithium, magnesium and uranium isotope behaviour in the estuarine environment of basaltic islands, Earth Planet. Sci. Lett., 274, 462-471, doi:10.1016/j.epsl.2008.07.041.
42. Ra, K., and H. Kitagawa (2007), Magnesium isotope analysis of different chlorophyll forma in marine phytoplankton using multi-collector ICP-MS, J. Anal. At. Spectrom., 22, 817-821, doi:10.1039/b701213f. (Pubitemid 47324830)
43. Sanyal, A., et al. (1995), Evidence for a higher pH in the glacial ocean from boron isotopes in foraminifera, Nature, 373, 234-236, doi:10.1038/373234a0.
44. Sanyal, A., N. G. Hemming, W. S. Broecker, D. W. Lea, H. J. Spero, and G. N. Hanson (1996), Oceanic pH control on the boron isotopic composition of foraminifera: Evidence from culture experiments, Paleoceanography, 11(5), 513-517, doi:10.1029/96PA01858.
45. Sanyal, A., et al. (2000), Seawater pH control on the boron isotopic composition of calcite: Evidence from inorganic calcite precipitation experiments, Geochim. Cosmochim. Acta, 64(9), 1551-1555, doi:10.1016/S0016- 7037(99)00437-8. (Pubitemid 30325239)
46. Seki, O., et al. (2010), Alkenone and boron based Plio- Pleistocene pCO2 records, Earth Planet. Sci. Lett., 292, 201-211, doi:10.1016/j.epsl.2010.01.037.
47. Spivack, A. J., and J. M. Edmond (1987), Boron isotope exchange between seawater and the oceanic?crust, Geochim. Cosmochim. Acta, 51(5), 1033-1043, doi:10.1016/0016-7037(87)90198-0.
48. Spivack, A. J., and C.?F. You (1997), Boron isotopic geochemistry of carbonates and pore waters, Ocean Drilling Program Site 851, Earth Planet. Sci. Lett., 152, 113-122, doi:10.1016/S0012-821X(97)00134-9.
49. Tipper, E. T., et al. (2006a), Riverine evidence for a fractionated reservoir of Ca and Mg on the continents: Implications for the oceanic Ca cycle, Earth Planet. Sci. Lett., 247, 267-279, doi:10.1016/j.epsl.2006.04.033. (Pubitemid 43971234)
50. Tipper, E. T., et al. (2006b), The magnesium isotope budget of the modern ocean: Constraints from riverine magnesium isotope ratios, Earth Planet. Sci. Lett., 250, 241-253, doi:10.1016/j.epsl.2006.07.037. (Pubitemid 44426271)
51. Tipper, E. T., et al. (2008a), Calcium and magnesium isotope systematics in rivers draining the Himalaya-Tibetan-Plateau region: Lithological or fractionation control?, Geochim. Cosmochim. Acta, 72, 1057-1075, doi:10.1016/j.gca.2007. 11.029.
52. Tipper, E. T., et al. (2008b), Accuracy of stable Mg and Ca isotope data obtained by MC-ICP-MS using the standard addition method, Chem. Geol., 257, 65-75, doi:10.1016/j. chemgeo.2008.08.016.
53. Vance, D., et al. (2009), Variable Quaternary chemical weathering fluxes and imbalances in marine geochemical budgets, Nature, 458, 493-496, doi:10.1038/nature07828.
54. Vengosh, A. (1998), The isotopic composition of anthropogenic boron and its potential impact on the environment, Biol. Trace Elem. Res., 66, 145-151, doi:10.1007/ BF02783134.
55. Vengosh, A., et al. (1989), Direct determination of boron and chlorine isotopic compositions in geological materials by negative thermal?ionization mass spectrometry, Chem. Geol., 79, 333-343.
56. Vengosh, A., et al. (1991), Coprecipitation and isotopic fractionation of boron in modern biogenic carbonates, Geochim. Cosmochim. Acta, 55, 2901-2910, doi:10.1016/0016-7037 (91)90455-E.
57. Vengosh, A., et al. (1992), Boron isotope variations during fractional evaporation of sea water: New constraints on the marine vs. nonmarine debate, Geology, 20, 799-802, doi:10.1130/0091-7613(1992)020<0799:BIVDFE>2.3. CO;2.
58. Wombacher, F., et al. (2009), Separation of Mg, Ca and Fe from geological reference materials for stable isotope ratio analyses by MC-ICP-MS and double-spike TIMS, J. Anal. At. Spectrom., 24, 627-636, doi:10.1039/b820154d.
59. Young, E., and A. Galy (2004), The isotope geochemistry and cosmochemistry of Mg, Rev. Mineral. Geochem., 55, 197-230, doi:10.2138/gsrmg.55. 1.197.
60. Yu, J., and H. Elderfield (2007), Benthic foraminiferal B/Ca ratios reflect deep water carbonate saturation state, Earth Planet. Sci. Lett., 258, 73-86, doi:10.1016/j.epsl.2007. 03.025.
61. Yu, J., H. Elderfield, and B. Hönisch (2007), B/Ca in planktonic foraminifera as a proxy for surface seawater pH, Paleoceanography, 22, PA2202, doi:10.1029/2006PA001347. (Pubitemid 47323980)