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专辑
网络首发:1991-03-25,
纸质出版:1991
移动端阅览
乌尔逊凹陷为海拉尔盆地的一个亚盆地
面积2350km
2
。上侏罗统大磨拐河组厚达2000m
可划分为两个地震层序四个亚层序。根据地震反射图形的几何形态和地震相分析
建立了大磨拐河组分段砂体的平面分布
划分出近岸水下扇、远岸浊积扇、纵向搬运的浊积岩体、非扇状浊积岩体、三角洲和滩坝等沉积体。
The Wuerxun Depression
a sub-basin of the Hailar Basin
covers an area of 2350km
. The Upper Jurassic Damoguaihe Formation
which is a significant hydrocarbon generating and reservoiring sequence and up to 2000m thick
can be divided into two seismic sequences and four subsequences. According to the study of seismic and sedimentary facies
it can be primarily classified as nearshore subaqueous fan
offshore turbidite fan
longitudinal transported turbidite body
non-fan turbidite body
delta
beach and bar. The formation
evolution and spatial distribution of these sedimentary bodies were controlled by tectonic movement
lake-level changes and sediment supply.
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