Nature and Temperature of Ore-Forming Fluids at Toyoha Mine in The Light of Fluid Inclusions in Quart Porphory

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Nature and Temperature of Ore-Forming Fluids at Toyoha Mine in The Light of Fluid Inclusions in Quart Porphory

Hamed M. El Shatoury - Nama Orang; Sukune Takenouchi - Nama Orang; Hideki Imai - Nama Orang;

Fluid inclusions in quartz phenocrysts of quartz porphyry, quartz veinlets cutting quartz porphyry, and quartz and sphalerite in ores, were studied by the heating-stage and freezing-stage methods. Polyphase fluid. inclusions carrying transparent cubic crys• tals were especially found in samples from deeper places. Liquid inclusions were found in most samples. Filling 1temperature of iquid inclusions was in the range of 200 cc • nd 300 cc, and the salinity vari'ed from 20 weight percent to l percent. Gaseous inclu• sions were mainly found in shallower places with some polyphase inclusions suggesting the "boiling" of ore-forming fluids. Generally speaking, the temperature and salinity of ore-forming fluids at the Toyoha mine, Hokkaido, decreased from earlier to later stages and from deeper to shallower places.

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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat PMB LU 1975 - 7

PMB LU19757

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Judul Seri: -
No. Panggil: PMB LU 1975 - 7
Penerbit: Bandung : Direktorat Sumber Daya Mineral., 1975
Deskripsi Fisik: Gambar tidak berwarna, cover warna biru
Bahasa: English
ISBN/ISSN: -
Klasifikasi: 679.853 URY n
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: porphory
Info Detail Spesifik: -
Pernyataan Tanggungjawab: -

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