摘要
地球物理和钻井资料证实,巴彦浩特盆地东部保存有较完整的古生代沉积。其中奥陶纪特马道克-阿伦尼格期,为稳定的华北地台型沉积,兰维思-兰代洛期属贺兰坳拉槽沉积体系;石炭纪杜内-维宪期,为相对稳定的海侵沉积,纳缪尔-维斯发期是贺兰坳拉槽再度复活形成贺兰碰撞谷的沉积。
Geophysical and drilling data-proved that Upper Paleozoic sediments of several thou-sand meters thick are preserved in east part of Bayanhot Basin,of which the OrdovicianTremadocian-Arenigian and Llanvirnian-Llandeilian are respectively typical platform de-posits and Helan aulacoge deposits;Carboniferous Tournaisian-Visean and Namurian-Westfalian are respectively steady transgressional deposits and Helan collisional valley de-posits.The discovery shows that the study region had not uplifted all the time.
出处
《石油与天然气地质》
EI
CAS
CSCD
北大核心
1992年第4期381-389,共9页
Oil & Gas Geology
