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Collisional granites

Standard Mean Ocean Water — the standard used in oxygen and hydrogen stable isotopic measurements Spark Source Mass Spectrometry syn-COLlisional Granite... [Pg.377]

The rocks of the TCZ are interpreted to have erupted in a transtensional continental rifting environment in the Late Siiurian to Middle Devonian. In this tectonic environment A-type granites are expected, and indeed the reiativeiy high Zr, Nb, and Y content in these rocks support this. However, many other geochemicai aspects of these rocks, i.e., high Ba, Rb, Th and K, are more typical of the I-type magmas that commonly occur in collisional settings. [Pg.555]


See other pages where Collisional granites is mentioned: [Pg.202]    [Pg.202]    [Pg.203]    [Pg.205]    [Pg.205]    [Pg.202]    [Pg.202]    [Pg.203]    [Pg.205]    [Pg.205]    [Pg.144]    [Pg.282]    [Pg.435]    [Pg.435]    [Pg.437]    [Pg.462]    [Pg.507]    [Pg.1630]    [Pg.1631]    [Pg.1634]    [Pg.1635]    [Pg.247]    [Pg.190]    [Pg.213]    [Pg.201]    [Pg.204]   
See also in sourсe #XX -- [ Pg.202 ]




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Collisional

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