SEDIMENTARY SUCCESSIONS OF DALONG FORMATION, MATAN, GUANGXI PROVINCE AND THEIR ENVIRONMENTAL IMPLICATIONS
  • 【摘要】

    DALONG FORMATION OF MATAN IS MAINLY COMPOSED OF PYROCLASTIC ROCKS AND SILICEOUS ROCKS. MICROSCOPIC ANALYSIS SHOWS : (1) PYROCLASTIC ROCKS CAN BE DIVIDED INTO THREE SUBTYPES, NAMELY TUFFS, SEDIMENTARY-... 展开>>DALONG FORMATION OF MATAN IS MAINLY COMPOSED OF PYROCLASTIC ROCKS AND SILICEOUS ROCKS. MICROSCOPIC ANALYSIS SHOWS : (1) PYROCLASTIC ROCKS CAN BE DIVIDED INTO THREE SUBTYPES, NAMELY TUFFS, SEDIMENTARY-TUFFS AND TUFFACEOUS SEDIMENTARY ROCKS, AND FURTHER INTO SEVEN TYPES OF MICROFACIES, (2) SILICEOUS ROCKS CAN BE DIVIDED INTO TWO SUBTYPES, NAMELY BIOGENIC SILICEOUS ROCKS, BIOGENIC AND VOLCANOGENIC SILICEOUS ROCKS, AND FURTHER INTO FIVE TYPES OF MICROFACIES. THESE MICROFACIES COMPRISE TWELVE TYPES OF MAIN LITHO... 收起<<

  • 【作者】

  • 【刊期】

    地质科学(英文版) 2000年2期