點砂壩沉積 的英文怎麼說
中文拼音 [diǎnshābàchénjī]
點砂壩沉積
英文
point bar deposit- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 砂 : 名詞(沙子) sand; grit
- 壩 : 名詞1 (攔水建築物) dam2 (固堤建築物) dyke; embankment 3 [方言] (沙灘; 沙洲) sandbar; sandba...
- 沉 : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
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The yanchang formation is divided, for the first time, into six third - order sequences, each with an average time duration of about 4. 5 ma. the single sequence is composed of deltaic and lacustrine sandstones, siltstones and mudstones. the subaerial and subaqueous distributary channel and channel - mouth bar sandstone reservoirs are well developed mainly in the lowstand and highland systems tracts
論文在富縣探區首次應用陸相層序地層學的觀點和方法,把延長組劃分為6個三級層序,平均時限4 . 5ma ,各層序由三角洲與湖泊相砂、泥巖沉積組成,主要在低位體系域和高位體系域發育水下(上)分流河道和河口砂壩砂巖儲層These sandstones are interpreted as having originally been point bar deposits.
這些砂巖在成因上被解釋為點沙壩沉積。
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