Texture analysis of a layered gabbro by the scanning X-ray analytical microscope: a preliminary study

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  • Harigane Yumiko
    Institute of Geology and Geoinformation, Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology
  • Michibayashi Katsuyoshi
    Institute of Geosciences, Shizuoka University

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  • 走査型蛍光X線分析顕微鏡を用いた層状はんれい岩の組織解析：予察
  • ソウサガタ ケイコウ Xセン ブンセキ ケンビキョウ オ モチイタ ソウジョウ ハンレイガン ノ ソシキ カイセキ : ヨサツ

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Abstract

The elemental X-ray maps of a layered gabbro sample obtained by a scanning X-ray analytical microscope have been used to produce mineral-distribution maps of the layered gabbro. These element-distribution maps have been transformed into mineral-distribution maps by Michibayashi et al. (2002)ʼs method. To examine the mineral-distribution maps, we tested two texture analyses: spatial distribution method and Hough transform method. As a result, the spatial distribution method could have a possibility to reveal anisotropic characters of the layered gabbro, whereas the Hough transform method would be partially able to show its anisotropic nature. Further study will be required to develop a realistic texture analysis for the mineral-distribution maps obtained by this procedure.

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