Each compression and thrusting of orogenic belt led to the subsidence of the foreland basin and the sediment filling , directly controlling the filling sequences and sedimentary characteristics of the foreland basin 造山帶每次擠壓逆沖均導(dǎo)致相應(yīng)的前陸盆地沉降和沉積物充填,并直接控制前陸盆地的沉積充填特征。
Along with the eroding mountains and sediment filling the seas , smaller bits of the continents - islands and archpelagos - are drawn closer to the continental edge and compressed onto its margins 山上沖洗下的沉積物填充了大陸架上的淺海,為大陸增添了更多的陸地。大陸版塊筑造運(yùn)動(dòng)在活動(dòng)帶移動(dòng)大陸塊,重復(fù)著大陸塊的構(gòu)成。
Except hydropower wash , another important cause of the difference is that shallow stratum soil mass bulk movement make local shallow surface sediment fill deep water bottomland , so slow up the deep rate of deep water bottomland 這種差異除水動(dòng)力沖蝕外,另一個(gè)重要的原因是淺地層土體塊體運(yùn)動(dòng)使局部淺水區(qū)表層沉積物向深水洼地填充,減緩了深水洼地加深速率。
The strata subsidence character and the subsidence history of tiaohu depression and malang depression was simulated based on the sediment filling pattern , compaction correction pattern and crustal equilibrium pattern by computer 根據(jù)沉積物充填模型,壓實(shí)較正模型和地殼均衡模型,利用計(jì)算機(jī)對(duì)三塘湖盆地條湖凹陷和馬朗凹陷侏羅系地層沉降特征及沉降史進(jìn)行了定量模擬。
According to the synthetically study of remnant stratum list , sediment system . character of sediment filling , comeback of archetypal basin and feature of tectonic deformation , santanghu basin passed through four formation and evolution phases : ( 1 ) formation and evolution of basin ' s basement ; ( 2 ) formation and evolution of fault - fold to depression basin in permian ; ( 3 ) formation and evolution of depression basin in triassic - jurassic - cretaceous ; ( 依據(jù)三塘湖盆地殘余地層序列、沉積體系、沉積充填特征和原型盆地恢復(fù),以及不同構(gòu)造層的構(gòu)造變形特征的綜合研究分析,認(rèn)為三塘湖盆地經(jīng)歷了如下四個(gè)發(fā)展演化階段:前二疊紀(jì)盆地基底發(fā)展演化階段;二疊紀(jì)斷陷-拗陷盆地發(fā)展演化階段; :三疊-侏羅-白堊紀(jì)拗陷盆地發(fā)展演化階段;第三-第四系新生代盆地發(fā)展演化階段。