this formation has a distinct binary structure and pronounced geomorphological features as well as isotope age data. it is in erosional unconformable contact with the underlying zhiyu formation.
该组二元结构清晰,地貌特征明显,有同位素测年数据,与下伏峙峪组为侵蚀不整合接触。
the buried hill tuff oil pool of hanan oilfield has an unconformable contact with overlying sandstone of aershan group.
哈南油田凝灰巖潜山油藏与上覆阿尔善组的砂巖油藏呈不整合接触。
there is a system of multi-level bedding detachment in guotang ore region whose main detachment is the karst unconformable contact above the carbonate rock.
戈塘金矿存在多层次层滑构造系统,其主滑面位于茅口灰巖之上的巖溶不整合面上。
it is concluded that the pre-paleeozoic ancient continental margin and the unconformable contact clastic are the favourable localities for marine sandstone-conglomerate pb-zn deposits and ther…
owing to the influence of tectonic superimposition and reworking at the late stage, both show fault or hidden unconformable contact relationships at present.