Takashima Coalfield - Takashima Electric Power

Japanese: 高島炭田 - たかしまたんでん

A coalfield exposed southwest of Nagasaki City on Koyagijima, Iojima, Okinoshima, Takashima, and Hashima. Most of it is distributed on the seabed, and it borders the Matsushima coalfield to the north. The coal-bearing seams are older than those in the Matsushima coalfield, and are part of the Paleogene Takashima Group, which is roughly the same age as the main coal-bearing seams in the Miike coalfield. There are 5 to 8 coal layers, 1 to 5 meters thick, and the coal is a caking bituminous coal with low sulfur and ash content. The reserves are approximately 600 million tons. [Ohashi Shusaku]
[Takashima Coal Mine]
A coal mine located in Takashima Town, Nishisonogi County, Nagasaki Prefecture. Coal from Takashima is said to have been mined since the Genroku era (1688-1704), but it came under direct management of the Saga Domain from the end of the Bunka era (1804-1818).

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

長崎市の南西，香焼島，伊王島，沖之島，高島，端島などに露出する炭田。大部分が海底に分布し，北は松島炭田に接する。夾炭層（きようたんそう）は松島炭田のものより古く，三池炭田の主要夾炭層とほぼ同時代の古第三紀の高島層群で，炭層は5～8枚存在し，炭厚は1～5m，炭質は硫黄分，灰分の少ない粘結性歴青炭である。埋蔵量は約6億t。【大橋脩作】
［高島炭鉱］
　長崎県西彼杵（そのぎ）郡高島町に所在する炭鉱。高島の石炭は元禄年間(1688‐1704)から採掘されていたとされるが，文化年間(1804‐18)の末年から佐賀本藩の直営になった。

出典　株式会社平凡社世界大百科事典第２版について　情報

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