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Isotopic ages of the Dabie Mountain area , and the relationship of the regional metamorphism and tectonic movement


The metamorphism tectonic movement, the relationship between 163 late Paleozoic spores Verruo ~ 6isporitesSp . The , ReficulatasporitesSp . The , CycloqranisporitesSp . . Tongbai region , Middle Proterozoic Su River group Huwan group found the spores Acanthotriletes the ulterior impolims ,abercrombie and fitch brussel, lophotdle ~ Sp . Found may be a late ancient three - seam spore AzonomonoletesSp the the Xinyang group Kameyama group Nanwan Reservoir Dam East Middle Proterozoic . ,abercrombie belgië, St. ~ nozotrfletesSp . , lopnotn] etesSp. , Pefip ~ eeotr / leteSp. , Leiodr ~ tesSp. . In the Dabie Mountain area, the Proterozoic fossil strata of the units . From the overall look is more complex ,abercrombie and fitch brussels, but these spores stratigraphy and paleontology is difficult to explain . If, as explained in Table 3 ,abercrombie, with views of the movement ( mixed ) to explain , it may be more appropriate . From fairy red group , group Huwan , Kameyama group metamorphic grade are deeper and look at the phenomenon of migmatization . When they are still deep underground , due to higher temperatures. May was a plastic state . Movement under the pressure difference . Old and new strata mixed units is possible. Taiwan newer fossil rock mixed with plastic body movement with the old strata also possible . To sum up, K a method measured the isotopic age and formation of new and old contrary to the phenomenon of crust rose , the denudation B from different metamorphic mineral crystallization sequence of the . V- measured by the isotopic age data inconsistency may be due to crustal material filling , caused by a variety of rock mixed Taiwan . K a and 40A . r/39A . r law and reflected in the V - Ph isotopic age of geological fact that there is a difference , but are interrelated and inseparable .

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