Record details

Title
    Geochemical evolution of P-rich granite suites: Evidence from Bohemian Massif
Statement of responsibility
    Karel Breiter
Other titles
    Proceedings of the International Conference "Genetic Significance of Phosphorus in Fractionated Granites" (IGCP Project No.373) (Variant.)
Author
    Breiter, Karel, 1956-
Language
    anglicky
Source title - serial
    Acta Universitatis Carolinae, Geologica
Vol./nr.
    Vol. 42, no. 1
Pages
    p. 7-19
Year
    1998
Notes
    4 obr., 6 diagr., 1 tab., 40 bibl.
    Zkr. název ser.: Acta Univ. Carol., Geol.
Subject group
    apatit
    chemismus hornin
    Český masiv
    fluor
    fluorit
    fosfor
    granit
    krušnohorský pluton
    krystalizace frakcionovaná
    moldanubický pluton
    tavenina
Geographical name
    ČR-Čechy
Keyword
    Bohemian
    Evidence
    Evolution
    Geochemical
    Granite
    Massif
    P-rich
    Suites
Abstract (in english)
   On example of three phosphorus-rich and one evolved granitic suites from the Bohemian Massif are descrided main conditions of phosphorus enrichment during fractionation and discussed are correlations between phosphorus and other elements. Main condition for phosphorus enrichment in granite melt is peraluminosity higher than ASI=1.2. In all studied P-rich suites, two stages of evolution have been distinguishe: an older stage, dominated by crystallization of oligoclase and apatite, and a younger one, dominated by crystallization of P-rich alkali feldspars. At the first stage the phosphorus content in melt decreased or remained the same. During the second stage pphosphorus content was enriched. Critical composition, at which the first stage changed to the second one, is at about 0.4% CaO and O.3% P2O5
Contributor
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
    U
Entered date
    18. 2. 2008
Import date
    8. 8. 2012