alluvial tract 中文意思是什麼
alluvial tract
解釋
沖積地區-
The paper put forward the particular mode of sequence stratigraphy in the foreland basin, which includes lacustrine margin alluvial systems tract ( ast ), lacustrine expanding systems tract ( ltst ), and lacustrine highstand systems tract ( lhst ). the upper triassic can be divided into three marine and one nonmarine sequences
2 、提出了川西前陸盆地的層序地層模式,認為川西前陸盆地一個完整的陸相層序是由湖盆邊緣沖積體系域、湖侵體系域和湖泊高水位體系域三部分構成。
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