eustacy 中文意思是什麼
eustacy
解釋
n. 名詞 【地質學；地理學】海面升降，海面變化。-
During the upper paleozoic in huabei there were 3 main times of sea level eustacy which caused different deposits in research area
華北晚古生代經歷了3次大的海平面升降旋迴，不同海侵事件在研究區內留下了不同的沉積紀錄。 -
The depositional environment of the upper paleozoic in the ordos evoluted from the epicontinental sea to the fluvial - delta. the change of the depositional environment and eustacy controlled the main depositional systems in the research area
上古生界沉積環境演化過程總的是由陸表淺海逐漸變為陸相的河流?三角洲，海平面升降和海水進退控制了區內主要的沉積體系和沉積相類型。 -
The yanchang formation of upper triassic in north shaanxi is major terrigenous clastic system deposited in fluvial - latchstring environment, under the influence of the llocyclicity factor which include indosinian tectonic, eustacy, sedimentary supplies and the autocyclicity factor. in late triassic, north shaanxi was divided into two parts bounded by zhidan - ganquan - yichuan demarcation line
陜北地區上三疊統延長組是以河流一湖泊相為特徵的陸源碎屑巖系，當時的陜北地區，以志丹?甘泉?宜川沿線為界，南側以明顯的斜坡向深湖盆地過渡，北部則為一地形平緩的淺水臺地。
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