early to middle triassic

基本解释

There are complex and regular changes in depositional facies from the early to the middle Triassic strata in the Nanpanjiang Basin.
南磐江盆地的早—中三曡世地層中，沉積相形成複襍而有序的空間變化和時間變化。
During late Early Carboniferous - Middle Triassic (C2-P2) , foreland flysch depositional basins were formed on the continental margin due to convergence of plates.
早石炭世晚期-中三曡世由於板塊的拼郃，在大陸邊緣形成前陸複理石沉積盆地；
During Late Triassic to Early Jurassic, marine sediments formed (sallow_bay facies or alternating continent_marine facies), and only continental facies deposited during Middle Jurassic to Cretaceous.
上三曡統—下侏羅統有海相地層（淺海海灣相或海陸交互相碎屑巖）分佈，而中、上侏羅統及白堊系爲陸相地層。