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西双版纳位于我国南部边缘,与缅甸、老挝接壤,地理位置为东经99°58′—101°50′,北纬21°09′—22°36′。地处横断山系南端,属无量山脉和怒山山脉的余脉,为近代被台升的高原,受澜沧江及其支流侵蚀分割而成。地貌结构以山原为主,並分布有较多的宽谷盆地,盆地和谷地外围,呈环状围绕的低丘和中低山地,地势以东、北、西三面较高,由北向南逐渐倾斜,中部较低,南部边缘相对隆起,海拔最高为2429米,最低为457米;位于南腊河与澜沧江交汇处。全区地层分布以澜沧江为界,江东部以中生代的红色河湖沉积相的砂、砾、页泥岩为主体,江西部以花岗岩及各种片岩、石英岩等变质岩分布较广,只有少量石灰岩分布。
Xishuangbanna is located on the southern margin of China, bordering Burma and Laos, and its geographical location is 99 ° 58’-101 ° 50’E and 21 ° 09’-22 ° 36’N. Located at the southern end of the Hengduan Mountains, it belongs to the immeasurable mountains and the ranges of the Nu Shan mountains. It is a plateau that was recently ascertained by the Taihang Mountains and is divided by the erosion of the Lancang River and its tributaries. The geomorphic structure is dominated by savannahs and is distributed in a wide range of wide valleys, basins and valleys, surrounded by low-lying hills and low-lying mountains. The terrain is higher on the three sides of the east, north and west and gradually slopes from north to south , The central lower, the southern edge of the relatively uplift, the highest elevation of 2429 meters, a minimum of 457 meters; located in the South Lan River and the Lancang Interchange. The stratigraphic distribution of the whole region is dominated by the Lancang River. The eastern part of the Yangtze River is dominated by the sand, gravel and mudstone of the Mesozoic red river and lacustrine sedimentary facies. The granodiorites and various schistites and quartzite metamorphic rocks in Jiangxi Province are widely distributed with only a small amount of limestone distributed.