保加利亚西南部 Suhostrel 烟煤的矿物学特征

Review of the Bulgarian Geological Society Pub Date : 2023-12-01 DOI:10.52215/rev.bgs.2023.84.3.231

Alexander Zdravkov, Denislav Yanchev

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摘要

利用光学显微镜、XRD 和 SEM-EDS 分析法研究了 Suhostrel 烟煤的矿物成分。粘土矿物（主要是高岭石和云母）、石英和局部白云石是主要矿物。这些矿物的特征表明其主要来源于陆相沉积，再加上附属矿物（金红石/金红石、独居石、锆石）的贫乏，证明其主要来源于低品位变质岩和风化侵入岩/伟晶岩的碎屑岩。

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Mineralogical characteristics of Suhostrel bituminous coal, SW Bulgaria

The mineralogical composition of the Suhostrel bituminous coal was studied using optical microscopy, XRD and SEM-EDS analyses. Clay minerals (mostly kaolinite and mica), quartz and locally albite, are the dominant minerals. Their characteristics indicate predominant terrigenous origin and together with a poor accessory mineral association (rutile/anatase, monazite, zircon) argue for a major detrital input from low grade metamorphic and weathered intrusive/pegmatitic rocks.

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Review of the Bulgarian Geological Society

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