Geochemical characteristics and composition changes of tremolite at various stages in the mineralization process of nephrite from Tieli, Heilongjiang, Northeastern China
作者： Feng Bai , Hongsheng Xu , Di Jiang
DOI: 10.1007/S12517-021-06578-6
关键词:
摘要: The quality of nephrite (jade) is directly related to the structural and compositional changes it undergoes during mineralization. This study first systematic analysis geochemical characteristics composition tremolite at various stages in mineralization process from Tieli, Heilongjiang, Northeastern China, using polarized light microscopy, electron probe microanalysis, X-ray diffraction, backscatter laser ablation inductively coupled plasma mass spectrometry. results showed that main mineral component Tieli tremolite, which contains diopside, serpentine, calcite, dolomite, quartz, feldspar. belongs magnesian skarn deposit. rare-earth element (REE) distribution curves obvious differences, suggesting ore body has different metallogenic sources conditions. divided into three stages: diopside formation, hydrothermal alteration. During series are formed, content third determines produced. structure quite complex, however, greatly affects nephrite.
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