DISTRIBUTION OF LINEAMENTS IN KYUSHU ISLAND EXPLORATION OF EPITHERMAL GOLD-SILVER ORE DEPOSITS BY REMOTE SENSING TECHNIQUE (1ST REPORT).

Hiromu Mukaiyama, Tsuyoshi Kimura, Koichiro Watanabe, Masahiro Inoue, Hidemi Yakabe, Masato Nakamura

Research output: Contribution to journalArticle

Abstract

Remote Sensing is a useful technique for analysis of the fractures through which magmas rise in the crust and subsequently cause volcanism or mineralization. These fractures appear as lineaments on the ground surface. In order to detect the lineaments in Kyushu Island, 'slope-shaded' maps were drawn based on Landsat images and topographic maps treated by computer, in which slopes facing a certain direction were shaded to emphasize the elevation. Since this topographic maps were drawn using an imaginary light source shining from specified directions (N, NE, NW and W), it was possible to detect even those lineaments which would otherwise be difficult to be found from the Landsat images only. The lineaments detected in Kyushu Island are divided into four orientation groups; N -- S, NW -- SE, NE -- SW, and E -- W, respectively. In particular the E -- W lineament pattern can be mechanically obtained by putting the slope-shaded map from the Landsat images upon its negative map and then slightly shifting one of them. This lineament pattern reflects an E -- W stress field in Kyushu Island.

Original languageEnglish
Pages (from-to)477-484
Number of pages8
JournalNihon Kogyokaishi
Volume103
Issue number1194
DOIs
Publication statusPublished - Jan 1 1987

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Ore deposits
Remote sensing
Silver
Gold
Light sources

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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DISTRIBUTION OF LINEAMENTS IN KYUSHU ISLAND EXPLORATION OF EPITHERMAL GOLD-SILVER ORE DEPOSITS BY REMOTE SENSING TECHNIQUE (1ST REPORT). / Mukaiyama, Hiromu; Kimura, Tsuyoshi; Watanabe, Koichiro; Inoue, Masahiro; Yakabe, Hidemi; Nakamura, Masato.

In: Nihon Kogyokaishi, Vol. 103, No. 1194, 01.01.1987, p. 477-484.

Research output: Contribution to journalArticle

Mukaiyama, Hiromu ; Kimura, Tsuyoshi ; Watanabe, Koichiro ; Inoue, Masahiro ; Yakabe, Hidemi ; Nakamura, Masato. / DISTRIBUTION OF LINEAMENTS IN KYUSHU ISLAND EXPLORATION OF EPITHERMAL GOLD-SILVER ORE DEPOSITS BY REMOTE SENSING TECHNIQUE (1ST REPORT). In: Nihon Kogyokaishi. 1987 ; Vol. 103, No. 1194. pp. 477-484.
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