The deposital system was composed of three whole deposital association including delta plain, the front of delta and frontal delta.

其中該三角洲體系由三角洲平原国产精华Av在线导航网站、三角洲前緣和前三角洲三個(gè)完整的沉積組合構(gòu)成。

In the basis of the facies markers and facies analysis of principle, there are mainly river亚洲三级观看、delta and lake depositional sysytems in Upper Triassic of Nanniwan field,in which all kinds of difference sedimentary subfacies and sedimentary microfacies are distinguished, such as meandering river日韩清纯无码自拍视频网站、delta plain、delta front人人色网、submerged distributary river course456小视频、frontal sheet sand and so on.

利用收集到的各種相標(biāo)志和相分析原則，對(duì)研究區(qū)的沉積相進(jìn)行了比較細(xì)致的研究乐播三级黄三区视频免费，將南泥灣探區(qū)上三疊統(tǒng)分為河流日韩手机福利写真在线观看、三角洲、湖泊三種沉積體系国家aaaa级黄片，并在各沉積體系中細(xì)劃出曲流河污污色色、三角洲平原、三角洲前緣欧美性爱欧美精品二区、淺湖等沉積亞相和水下分流河道色影音、河口壩、前緣席狀砂等沉積微相国产美腿美女被操。

In Chang 3 Period, the study area mainly developed the sedimentary system of the meandering river delta, which can be divided into the delta plain subfacies and the delta frontal subfacies.

研究表明鎮(zhèn)北-演武地區(qū)長(zhǎng)3油層組沉積物源主要來自于盆地西南緣秦嶺造山帶和東祁連逆沖褶皺帶人人上人人肉人人插，物源方向由西南到北東。