A town in North Hamgyong Province, North Korea, known for its iron production. It occupies the Seongcheon River basin, a tributary of the Tumen River, and faces the border with China. It is a production base for logs for the Tumen River, and the collected logs are assembled into rafts and floated down to Hoeryeong. Iron ore is located in Changryeol-dong, north of the town, and is said to have a reserve of 1.1 billion tons. It was discovered in 1916 and mining began in 1935. The deposit reaches a depth of 3,000 meters and consists of hematite, magnetite, and quartz schist, with magnetite having a high specific gravity. The grade is 40%, and is increased to 60% by magnetic separation. The iron ore is sent to the Chongjin Steelworks by the Musan Line and some by a transport pipe. [Fish pond] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
北朝鮮、咸鏡(かんきょう)北道にある邑(ゆう)(町)。鉄産地で知られる。豆満江(とまんこう)の支流、城川水流域を占め、中国との国境に臨んでいる。豆満江材の原木生産基地で、集まった原木は筏(いかだ)に組んで会寧(かいねい)まで流している。鉄鉱は邑北方の彰烈(しょうれつ)洞にあり、埋蔵量は11億トンといわれる。1916年に発見され、35年より採掘している。鉱床は3000メートルに達し、赤鉄鉱、磁鉄鉱、石英片岩で、磁鉄鉱の比重が高い。品位は40%で磁力選鉱によって品位を60%に高めている。鉄鉱石は茂山線によって、また一部は輸送管によって清津製鉄所に送られている。 [魚 塘] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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