摘要:
新疆的库车—拜城—阿克苏一带,广泛沉积中、新生代沉积,从沉积物组合、分布范围等特点考虑,三叠系至下第三系的沉积基本是在天山山前拗陷范围内的盆地中进行的,特别是早第三纪时期,浅水盆地蒸发岩相更为明显,而至晚第三纪,边缘凹陷的特点才逐渐表现出来,因此,本文将这一范围仍称之为库车盆地。
Abstract:
Fiuqa Basin, a R4esozoic and Cainozoic basin,is situated in the northern margin of the Tarim Basin and south of the Tianshan Mountians. There were only terrigenous detrital rock assemblage in the Triassic, Jurassic and Cretaceous beds, The Early Tertiary ingression to Kuqa Basin too(c place in the Tethys and brought marine fossils(Modiolus elegans, Podamides sp. Corbula sp. Podamidae, etc.)into the T ertiary carbonatitec deposits. So we call the carbonatites terrestrial- marine transitional carbonatites.