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Sea floor basalt alteration: Some chemical and Sr isotopic effects (1974)

Hart, S. R. ; Erlank, A. J. ; Kable, E. J. D.

Springer

Contributions to mineralogy and petrology 44 (1974), S. 219-230

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ISSN: 1432-0967

Source: Springer Online Journal Archives 1860-2000

Topics: Geosciences

Notes: Abstract Major element, Sr isotope and trace element data for 16 elements are reported for various weathered zones in three submarine basalt pillows. During the initial stages of alteration, it appears that SiO2, Al2O3, CaO, S, and Ga are lost from the basalt, whereas Fe2O3, total Fe, MnO, K2O, H2O, Cl, B, Rb, and Cs increase. Sr87/Sr86 ratios also increase during weathering. MgO, Na2O, P2O5, Ba, Ni and Cu show significant (10–50%) but less consistent changes. TiO2, Zr, Sr and V show only minor changes (〈7%). Zn, Cr, Co, Y and Nb show no changes outside experimental error.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00413167

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