常見例句The main microfacies are midchannel bar, braided channel and overbank. 研究區(qū)主要微相類型有心灘、辮狀河道與河道間。Those within existing stream channels are much less stable than overbank deposits. 現(xiàn)在河槽內(nèi)沉積物的穩(wěn)定性比河漫灘上沉積物差的多。The symmetric overbank flows with smooth boundary are computed and the results agree with the experimental data. 對(duì)光滑邊界上對(duì)稱的漫灘水流進(jìn)行了計(jì)算,計(jì)算結(jié)果與實(shí)騐資料吻郃良好。The relationship between water-depth and discharge of overbank flows is very different form inbank flow. 漫灘水流在天然河道中極爲(wèi)常見,尤其在沖積平原地區(qū)。The overbank and fluvial channel sub-facies in the fluvial facies were developed.Only delta front sub-facies was developed in the delta facies. 其中,河流相中發(fā)育堤泛亞相和河道亞相,在三角洲相中僅發(fā)育三角洲前緣亞相,湖泊相中以淺湖亞相爲(wèi)特征。The Carboniferous Kalashayi Formation in the Tahe Oilfield occurs as lenticular channel facies of sandstones interbedded between the overbank mudstones of Members K3 and K4. 摘要塔河油田卡拉沙依組河道相砂巖油層夾於卡三段和卡四段的氾濫平原泥巖中,小層對(duì)比時(shí)缺乏時(shí)間-巖性標(biāo)志層。 返回 overbank