1. Previous works on microscopy of anthracite. The existing method of coal petrography seems to be well adaptableonly to bituminous or lignitic coals; in the case of anthracite,because of itsextreme opacity to light and resistency to most chemical solvent
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C. Y. HSIEH Geologist in charge of the Sinyuan Fuel Laboratory of the Geological Survey of China, Professor of Economic Geology, Peking National University.1933. MICROSTRUCTURES OF SOME CHINESE ANTHRACITE[J]. Acta Geologica Sinica(),12(0):