The unconformability between the loess landform of shaanbei loess plateau and its bedrock shape was pointed out first after the full demonstration. the top of loess formation of the south part in shaanbei is flat which likes " platform ", the shape of the bedrock is rolling that likes ridge, and the bedrock bended to fold. the top of loess formation of the mid - part in shaanbei is rolling, but the shape of the bedrock below begins to get flat, the top of loess formation of the north part in shaanbei, loess mao district, is much more rolling among them, however, its shape of the bedrock below is the flattest relatively likes the platform shape of loess formation in south
具體地講,陜
北高原南部的洛) 11黃土源,黃上層頂部相對平坦,地貌類型以黃土源為主格調,而其下伏基巖地層詔皺相對發育,古地勢起伏相對較大:陜
北高原中部的延安一安塞黃土梁狀(為主)丘陵溝壑區,黃土層頂部起伏相對增大,地貌類型以黃土梁為主格調,而其下伏基巖地層槽皺程度趨弱,地層較平緩,古地勢起伏相對降低;陜
北高原
北部的
綏德一子洲黃土赤狀(為主)丘陵溝壑區,黃土層頂部起伏度相對最大,地貌類型以黃上赤為主格調,而其下伏基底地層以平緩為特徵,古地勢起伏強度亦相對較低。
Some electric power equipment station in suizhong, as one of the significant electric power stations in northeast of china, is located on suizhong erosion hills of long - term bulge
摘要
綏中某電力設備站是東
北地區較重要的電力設施,場址位於長期隆起的
綏中剝蝕丘陵上。
The ne - trending yiwulushan mountains is located in western liaoning province with the fuxin basin as its western boundary and xialiaohe depression as its eastern boundary. our study area belongs to the fuxin au - concentrating zoning in northeastern part of the yanshan intercontinental orogeny in northern margin of the huabei ( north china ) block, where converge the ew - trending weichang - chifeng - fuxin cu - concentrating zoning in northern yanshan orogeny and the ne - trending suizhong - jinzhou - fuxin au - pb - zn - mo mineralization sequence
研究區屬華
北地塊
北緣的燕山陸內造山帶的東
北端的阜新金礦集中區,是東西走向的燕山
北緣圍場-赤峰-阜新金銀銅成礦帶與
北東走向的
綏中-錦州-阜新金鉛鋅鉬成礦列的交匯處。
With the example of suibei highway, the paper expounds the general construction method of filling the weak frozen and low liquid limit clay foundation in the area of northeast china
摘要結合綏北公路建設實例,闡述東北地區弱凍低液限粘土路基填築施工的一般方法。