Title: Volume strain and mass transport of tectonite: Implications for geology,with an example from the Gaoligongshan ductile shear zone
Abstract:The mylonite from the Gaoligongshan ductile shear zone within the Nujiang fault,western Yunnan is markedly depleted in SiO_2,TiO_2,total Fe and H_2O,and enriched in CaO,MgO,Na_2O and K_2O.The developm...The mylonite from the Gaoligongshan ductile shear zone within the Nujiang fault,western Yunnan is markedly depleted in SiO_2,TiO_2,total Fe and H_2O,and enriched in CaO,MgO,Na_2O and K_2O.The development of the ductile shear zone has led to the alteration of the pre-existing gneiss into mylonite,with the mass and volume change of the(original) rocks of(-29.48%) and(-26.86%),respectively.The analysis of volume strain and mass transport of tectonite is an intermediate link of the examination of structural chronology and fluid/rock ratios,and will be widely used in the(estimation) of shortening volumes of compressional structural zones and the resources.Read More
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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