Zobrazeno 1 - 7
of 7
pro vyhledávání: '"YOSHIHIRO SAGAWA"'
Autor:
KABWE, ALEX LUSHIKANDA, MASAHIRO HYODO, HIDEHIKO OGATA, YOSHIHIRO SAGAWA, YOSHINAO ADACHI, MASAYUKI ISHII
Publikováno v:
International Journal of Environmental & Rural Development; Jun2023, Vol. 14 Issue 1, p1-8, 8p
Publikováno v:
Journal of Rainwater Catchment Systems. 26:43-50
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::442f97f0398cadbb10c98876f8cd860b
https://doi.org/10.7132/jrcsa.26_2_43
https://doi.org/10.7132/jrcsa.26_2_43
Publikováno v:
Journal of Rainwater Catchment Systems. 26:33-39
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6913d5eba348410938bb441d95534ead
https://doi.org/10.7132/jrcsa.26_1_33
https://doi.org/10.7132/jrcsa.26_1_33
Autor:
Takahiko Kurakami, Kihwan Hyun, Yoshihiro Sagawa, Jiro Yamatomi, Shinsuke Murakami, Koji Tamada
Publikováno v:
Journal of MMIJ. 126:519-527
The Hishikari Mine is the only major gold mine operating in Japan, whose production rate in 2008 was around 184,000 tonnes with the average gold grade of 42.8 g/t. The gold veins are extracted mainly by drifting and bench stoping with backfill. Blast
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc0c371bdbe594b22984a118491617f1
https://doi.org/10.2473/journalofmmij.126.519
https://doi.org/10.2473/journalofmmij.126.519
Autor:
Yoshihiro Sagawa, Jiro Yamatomi
Publikováno v:
Journal of MMIJ. 125:409-419
Block caving is a most cost effective underground mining method and it is expected as a major mining method in the near future by replacing large-scale/massive open pits where a risk of slope failure and waste/ore ratio is higher as pit depth is deep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::deb9a8e81ff89bddc9b33a105780629c
https://doi.org/10.2473/journalofmmij.125.409
https://doi.org/10.2473/journalofmmij.125.409
Autor:
Takahiko Kurakami, Shinsuke Murakami, Koji Tamada, Jiro Yamatomi, Ryoichi Sato, Yoshihiro Sagawa
Publikováno v:
Journal of MMIJ. 124:765-770
The Hishikari Mine consists of epithermal vein type Au-Ag deposits. The veins are extracted mainly by drifting and bench stoping with backfill. Blasted waste rocks are generally used as backfilling materials and crushed waste rocks with cement are us
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::758a9cd40d6123b68ce9fe63df63728b
https://doi.org/10.2473/journalofmmij.124.765
https://doi.org/10.2473/journalofmmij.124.765
Autor:
Norikazu Shimizu, Jiro Yamatomi, Akihito Takahashi, Ugur Ozbay, Kyoichi Ito, Yoshihiro Sagawa
Publikováno v:
Shigen-to-Sozai. 119:370-375
The Hishikari Gold Mine has met a new challenge in choosing a mining method for the Keisen vein group in the Sanjin deposit. The deposit mainly consists of 2 veins. The KE-2 is a composite vein, extending over a width of a 15m, with an average grade
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e3fc3eda74c69eddaa25bf67ad1aed6
https://doi.org/10.2473/shigentosozai.119.370
https://doi.org/10.2473/shigentosozai.119.370