中国煤炭地质
中國煤炭地質
중국매탄지질
COAL GEOLOGY OF CHINA
2015年
1期
22-27,39
,共7页
非洲%沉积盆地%煤炭资源%分布%资源量
非洲%沉積盆地%煤炭資源%分佈%資源量
비주%침적분지%매탄자원%분포%자원량
Africa%sedimentary basin%coal resource%distribution%resources
非洲大陆是冈瓦纳古陆的核心,经过前寒武纪末泛非运动,将西非、刚果、东非和卡拉哈迪等古老地块拼合成为一个稳定的克拉通。自此,非洲大陆除北部地区外,从前寒武纪起成为一个较为稳定的隆起陆块。石炭纪—侏罗纪,非洲南部形成了众多的克拉通盆地,充填了巨厚的卡鲁超群含煤沉积;白垩纪—新生代,非洲北部形成一些断陷盆地,并在部分盆地中充填了含煤沉积。目前,非洲大陆已经发现煤炭资源的国家有18个,预测煤炭资源远景资源量逾5000亿t。
非洲大陸是岡瓦納古陸的覈心,經過前寒武紀末汎非運動,將西非、剛果、東非和卡拉哈迪等古老地塊拼閤成為一箇穩定的剋拉通。自此,非洲大陸除北部地區外,從前寒武紀起成為一箇較為穩定的隆起陸塊。石炭紀—侏囉紀,非洲南部形成瞭衆多的剋拉通盆地,充填瞭巨厚的卡魯超群含煤沉積;白堊紀—新生代,非洲北部形成一些斷陷盆地,併在部分盆地中充填瞭含煤沉積。目前,非洲大陸已經髮現煤炭資源的國傢有18箇,預測煤炭資源遠景資源量逾5000億t。
비주대륙시강와납고륙적핵심,경과전한무기말범비운동,장서비、강과、동비화잡랍합적등고로지괴병합성위일개은정적극랍통。자차,비주대륙제북부지구외,종전한무기기성위일개교위은정적륭기륙괴。석탄기—주라기,비주남부형성료음다적극랍통분지,충전료거후적잡로초군함매침적;백성기—신생대,비주북부형성일사단함분지,병재부분분지중충전료함매침적。목전,비주대륙이경발현매탄자원적국가유18개,예측매탄자원원경자원량유5000억t。
The African continent is the core of Gondwana land. After the Precambrian pan-African orogeny had pieced up West Africa, Congo, East Africa and Kgalagardi old landmasses into a stable craton. Henceforth, the whole African continent besides northern part had become a rather stable lifted landmass since Precambrian Period. From Carboniferous Period to Jurassic Period, numerous craton basins had been formed in southern Africa and filled up very thick Karoo Supergroup coal-bearing deposits;from Cretaceous Period to Cenozoic Era, some fault depression basins formed in northern Africa, and part of them had filled coal-bearing deposits. At present, 18 countries on African continent have found coal resources, predicted prospective coal resources up to 500 billion tons.