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Osao Sawai

Yamaguchi University

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Publication

Featured researches published by Osao Sawai.

Mining geology | 1989

K-Ar Ages of Sericite in Hydrothermally Altered Rocks around the Toyoha Deposits, Hokkaido, Japan

Osao Sawai; Toshinori Okada; Tetsumaru Itaya

Mining geology | 1986

K-Ar ages of some vein-type and kuroko-type deposits in the southwestern Hokkaido

Katsumi Marumo; Osao Sawai

Mining geology | 1984

Wall rock alteration around the Motoyama deposits, Toyoha mine, Hokkaido, Japan.

Osao Sawai

Journal of Mineralogy, Petrology and Economic Geology | 1992

K-Ar ages and petrological characteristics of the tholeiitic basalts and high-magnesian andesite from Amakusa-Shimoshima, Kumamoto Prefecture, SW Japan

Takashi Nagao; Osao Sawai; Tetsumaru Itaya; Susumu Kakubuchi

Resource Geology | 1993

K-Ar ages of kuroko-type deposits in the Shakotan-Toya district, southwest Hokkaido, Japan

Osao Sawai; Tetsumaru Itaya

Shigen-Chishitsu | 1992

K-Ar ages of Chitose, Todoroki and Teine Au-Ag vein-type deposits, Southwest Hokkaido, Japan

Osao Sawai; Tetsuro Yoneda; Tetsumaru Itaya

Journal of the Geological Society of Japan | 1992

Fission track age of the Koyanagizawa Formation around the Toyoha mine, southwest Hokkaido, Japan.

Osao Sawai; Yoshihiro Ganzawa

Mining geology | 1988

Fission track ages of some Neogene Tertiary acidic tuffs around the Toyoha mine, southwestern Hokkaido, Japan

Osao Sawai; Yoshihiro Ganzawa

Mining geology | 1986

The distribution of alteration zones in the eastern area of the Toyoha mine, Hokkaido, Japan

Osao Sawai

Shigen-Chishitsu | 1996

K-Ar ages of several hydrothermal ore deposits in the Shakotan Peninsula, Southwest Hokkaido, Japan

Osao Sawai; Tetsumaru Itaya

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Tetsumaru Itaya

Okayama University of Science

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Toshinori Okada

Okayama University of Science

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Yoshihiro Ganzawa

Hokkaido University of Education

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Hiroyuki Kawamura

Yamaguchi University

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Ryuya Sato

Akita University

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Satoshi Koshimizu

Hokkaido University

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Soichiro Kageyama

Mitsubishi

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Susumu Kakubuchi

Niigata University

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Takashi Nagao

Yamaguchi University

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Takeo Bamba

Hokkaido University

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