湖積粘土 的英文怎麼說
中文拼音 [hújīniántǔ]
湖積粘土
英文
lacustrine clay-
The time corresponding to the four parts along the section are as follows : the top lake - swamp sediments : holocene ; the uppart fine sand : later late pleistocene ; the middlepart sandy clay : middle - early late pleistocene ; the lowpart clayer silt : later - middle - pleistocene. the fossils and stone artifacts found in salawusu site should be formed during the last but one glacier, its age range is about 0. 13 - 0. 19 ma, and belongs to later middle - pleistocene
分析q曲線與氧同位素曲線的一致性以及以上研究結果,包含薩拉烏蘇地層的這套沉積物的沉積時代為:頂部湖沼相沉積物:全新世;上部具交錯層理的細砂:晚更新世晚期;中部粉砂質粘土:晚更新世中期至早期;下部粘土質粉砂:中更新世晚期。Grain - size accumulation percentage of the aeolian sands in the past 150 ka in milanggouwan section is mainly characterized by the aeolian palaeo - mobile dune sands, which are composed of majority fine sands and minority very fine sands. there is n ' t almost any silt and clay. those of the fluvial facies, especially the lacustrine facies and palaeosols, are mainly composed of very fine sands and also contain some quantities of silt and clay
米浪溝灣剖面150kabp以來風成砂的粒度累積百分含量以古流動砂丘砂物質為主,其中以細砂含量最高,極細砂為次,幾乎不含粉砂與粘土;河流相、特別是湖沼相與古土壤以極細砂含量占優勢,且具一定含量的粉砂和粘土。The hydrothermal limestone breccia sheet presented over tertiary fluvial, lacustrive sandstone and mud in the wandongshan - wulipai area is a hydrothermal breccia landslide from the chenjiazhuang breccia pipe, and it may be a domain origin which would have obstructed the jinshajiang old channel and made the jinshajiang river to change and to form the famous valley and turns
萬洞山五里排帶呈席狀覆蓋于第三系河湖相的砂礫巖和粘土沉積之上的灰巖質熱水角礫巖為一套從陳家莊角礫巖筒滑覆過來的熱水角礫巖滑體,其可能是造成金沙江古河道淤塞並使古金沙江改道和形成大拐彎的主要原因。( 3 ) the forming wrapping structure because of interlayer between silt and clay at the transition part from the fourth layer to the fifth layer in the sediments section. according to this, intense change of the geoenvironment in this area at the period of filling up of the ancient barrier lake is presumed
( 3 )通過在沉積物剖面的第四層到第五層過渡的部位可以看到粉砂土層和粘土土層相互滲透而形成的包卷構造,推測古堰塞湖淤積時期內該區域的地質環境發生了重大改變。分享友人