沙丘砂 的英文怎麼說
中文拼音 [shāqiūshā]
沙丘砂
英文
dunesand-
This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process
文中根據粒度分析及古今砂丘的mz ?散點圖比較結果，認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現，視為「沙漠期」 ，而砂丘上覆的河湖相沉積與古土壤發育則可視為「間沙漠期」 。The sahara ' s topographical features include shallow basins, large oasis depressions, serirs or regs ( gravel - covered plains ), plateaus, mountains, sand sheets, dunes and sand seas ( ergs )
撒哈拉沙漠地形特點包括：淺的盆地、大的蕭條的綠洲、砂礫性沙漠或礫質沙漠（碎石覆蓋的平原） 、高原、沙席（小沙原） ，沙丘和沙海（砂質沙漠） 。Situated at the southeast of the mu us desert, ordos plateau, the milanggouwan stratigraphical section in the salawusu river valley keeps a record of 38 sedimentary cycles of alternate evolution of the aeolian dune layers with the fluvio - lacustrine facies and palaeosols since 150 ka bp
位於鄂爾多斯高原毛烏素沙漠東南邊緣的薩拉烏蘇河流域的米浪溝灣剖面，記錄了150kabp以來的38個風成的砂丘砂與河湖相和古土壤交替演化的沉積旋迴。Relatively flat or undulating sandy turf - covered ground usually along a seashore
砂丘相對平坦或有波狀起伏的覆草沙地，通常在海岸邊Accordingly, the dune deposits of the section since 150 ka bp can be divided into 38 alternate evolvement processes of desert and inter - desert periods, which accord with the sedimentary cycles of the section. it is further suggested from now climate in the area that the 38 inter - succession processes of dune deposits and fluvio - lacustrine or palaeosols in past 150 ka actually result from the alternate evolvement of the ancient east asia winter and summer monsoons in the mu us desert during the long geologic times
從這一認識出發，將米浪溝灣剖面150ka以來的砂丘堆積劃分為38個旋迴的沙漠期與間沙漠期交替演化過程，並認為，該剖面自那時以來發生的38個砂丘沉積與河湖相或古土壤的演替過程，實際上是這一長期地質時代毛烏素沙漠受東亞冬夏古代季風影響交替演化所致。Layers of carbonate limestones, silty mudstones, quartz sand and solidified lava show that within the past 600 million years, this area was a warm, shallow sea, then a muddy swamp, then a vast desert of shimmering hot dunes, then a glacial ice sheet, then a shallow sea once again
層層的碳酸石灰巖、粉砂質泥巖、石英砂和凝固的熔巖，顯示在過去六億年間，這個區域曾經是溫暖的淺海，接著依序變成泥濘的沼澤、擁有炙熱沙丘的廣闊沙漠，然後是冰川，后來又再度成為淺海。分享友人