Mineralogical Analyses of a Precambrian Stromatolite

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概要

• 論文の詳細を見る

• Stromatolite is the fossil of the marine life of Infra-Cambrian era (ca.650-800Ma), having layered structure similar to the annual ring of woods. The mineralogy of these ring structures are studied by means of X-ray fluorescence analysis, IR (infra-red) absorption analysis and X-ray diffraction analysis. Dark-colored rings and light brown-colored intermediates are found to be consist of CaCO_3(Calcite) and Ca(FeMg)(CO_3)_2(Ankerite), respectively. Magnesium of chrolophyl origin is suspected.

• 近畿大学の論文

著者

• SATO Yoshiyuki

  Government Industrial Research Institute

• OHARA Soji

  Nara Industrial University

• Ohara Soji

  Nara Sangyo University

• Unno Wasaburo

  近畿大学理工学総合研究所

• Tanaka Masami

  Tanaka Laboratory of Advanced Technology

• Tanizawa Kyoji

  Rigaku Corporation

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