Coastal coalfields - Engantanden

Japanese: 沿岸炭田 - えんがんたんでん
Coastal coalfields - Engantanden


[Type and size]
Coalfields come in all sizes depending on the conditions of their formation and the influence of crustal movements, and can be classified in various ways depending on the perspective. Depending on where they were formed, they can be divided into "coastal coalfields" formed in sedimentary basins near the coast, and "inland coalfields" formed in the interior of continents. Coastal coalfields are made up of alternating marine strata and coal seams, and the coal-bearing seams gradually change into marine strata. …

*Some of the terminology used to refer to "coastal coalfields" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[種類と規模]
 炭田はその生成条件や地殻変動の影響などによって大小さまざまのものがあり,分類についても見方の相違によっていろいろに分けることができる。炭田が形成された場所によって,海岸に近い堆積盆地に形成された〈沿岸炭田〉と,大陸の奥地などで形成された〈内陸炭田〉とに分けられる。沿岸炭田は海成層と炭層が互層をなしており,夾炭層はしだいに海成層に移り変わる。…

※「沿岸炭田」について言及している用語解説の一部を掲載しています。

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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>>:  Coastal zone (lakes and marshes)

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