混合沉積巖 的英文怎麼說
中文拼音 [húngěchénjīyán]
混合沉積巖
英文
mixed sedimentary rock- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 沉 : Ⅰ動詞1 (沉沒; 墜落) sink 2 (沉下 多指抽象事物) keep down; lower 3 [方言] (停止) rest Ⅱ形容...
- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
- 沉積 : [地] deposit; sedimentation; deposition; precipitation
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4 ) the characteristic of tricyclic terpane reflected the source input of algae. the predominance of 4 - methylsterane and dinosterane, and the c _ ( 27 ) - sterane predominance " v " distribution pattern all indicate the great contribution of algae source input. based on the ratio of sterane c2920s / ( 20s + 20r ) and c29 / ( + ), the source rocks can be regarded as typical immature source rocks
2 、利用豐富的生物標志化合物信息,分析解釋了生源構成、沉積環境、有機質演化等特徵,表明德南窪陷主力烴源巖的生源構成是以菌藻類微生物為主且含有一定陸生植物輸入的混合生源,沉積環境為半鹹水-鹹水還原環境,沉積水體具有「層狀」特點,表層鹽度高,底層還原性強。Carbon and oxygen isotopic composition ( 13c and 18o ) shows that the carbon not only derived from depth source but also sedimentary country rock
碳、氧同位素( 13c和18o )組成表明,既有沉積圍巖中的碳,也有深部來源的碳,具有混合來源特徵。Alkali basite, which came from upper mantle or lower crust, invaded through those structure, which not only bring cu et al mineralizing elements, but also the most important is that thermal energy. it cycled the formation water ( yinmin fonnation and luoxue formation ), and form alkali - rich, middle - high temperature and salinity fluid mixed with alkali - rich magmatic water. there were high rate of percolation and well voidage in the contact zone between yinmin purple stratum and yinmin rubblerocks, which is in favor of the transposition and mineralization of minerogenetic fluids
因此,總結東川稀礦山式銅礦成礦模式為沉積( fe 、 cu ) ?熱液疊加( cu )改造:晉寧-澄江期,小江深大斷裂發生走滑運動,在東川礦區造成右行旋扭及其派生構造,形成「 z 」字形落因破碎帶,同時來自深源(下地殼或上地幔)堿基性巖漿侵入,不僅帶來了大量cu等成礦物質,更重要的是提供了熱源,促使地層水(落雪組白雲巖和因民組紫色層)循環,與富堿( na和k )巖漿水混合,形成富堿中高溫高鹽度流體。The results indicate that submarine hot water deposition is the main ore - forming process of the uranium - bearing vonsenite deposit, and that the economic deposit was formed on the basis of further enrichment of boron and iron through the superposition and transformation by regional metamorphism and migmatization
研究表明,該礦床的成礦作用主要表現為海底熱水沉積成礦,區域變質混合巖化作用對礦床進行了強烈的疊加改造,使硼鐵進一步富集而形成工業礦床。It is considered that the sequence evolution in the palaeozoic went through the following three stages, the filling of evaporate platform, the filling of carbonate and detrital rock mixed deposits in epiric sea, and the filling of detrital deposits of lake - deltas in paralic inland sag
認為研宄區古生界層序演化經歷了以下三個階段:蒸發臺地充填階段、陸表海碳酸鹽巖與碎屑巖混合沉積階段,以及近岸內陸坳陷的湖泊三角洲碎屑巖沉積階段。It was also indicated by the studies on a large number of pb isotope that pb in ores of the deposit chiefly came from volcanic rocks in the strata and later intrusions with derivation of a little pb from the normal deposit stratum
大量pb同位素研究也表明,礦床的礦石鉛源跨越了下地殼、地幔和造山帶演化線,形成混合鉛帶,多集中於地幔和造山帶演化線附近,暗示pb主要來自地層中的火山巖和後期的侵入巖,少量來自正常沉積地層。There are two series of cu, au deposits, the stratiformed deposits and the intrusive - related ones in the mineralization belt of the middle and lower reaches of the yangtze river area. comparative studies on forming geodynamic backgrounds, geological and geochemical conditions of the ore - forming systems have been undertaken in this paper. the stratiformed deposits were formed in hercynian period by submarine exhalation - sedimentation sedex of hot brine through the synchronous basement faults in a tensional environmental, and the intrusive - related deposits were formed in yenshanian in a tensional or a transitional period to tensional environment during the upper mantle doming by water - rock interaction and complex transport - chemical reaction dynamic processes, the ore - forming fluids were mainly magmatic water from melt - fluid partition and some meteoric water
成礦流體系統形成的地球動力學背景及地質地球化學條件對比研究表明,賦存於石炭系中的層狀銅金礦床是海西期拉張背景下熱鹵水沿同生斷裂經噴流作用形成的海底噴流熱水沉積礦床與燕山期中酸性侵入巖有關的銅金礦床是在上地幔隆起張性或向張性過渡背景下形成的,是中酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。Six lithofacies palaeogeographic maps of doushantuo, dengying, qiongzhusi, canglangpu, and longwangmiao ages of late sinian and early cambrian have been made in the light of dominant facies and in the way to make stratigraphic map
中揚子地區上震旦統發育了從碳酸鹽潮坪、開闊臺地、淺灘、臺地邊緣、斜坡到臺地前緣盆地等沉積,下寒武統下部主要?細碎屑巖和碳酸鹽巖組成的混合型淺海陸棚沉積,上部變成碳酸鹽潮坪、開闊臺地、臺緣斜坡和臺緣盆地沉積。It belongs to nacl - h2o - co2 system. the ore - forming element assemblage is as - sb - cu - ni - u with high contents of as and sb. the stable isotope data show the metallogenic fluid comes from the mixture of magmatic water with meteoric water and stratum water
流體中成礦元素組合為as - sb - cu - ni - u ,總體上具較高的sb , as含量;穩定同位素特徵表明成礦溶液主要來自巖漿水與大氣降水、沉積盆地地層水的混合。Squyres and other team members suggest that the layered deposits they saw on these rocks could have formed from volcanic dust that either mixed with water vapour or acquired a thin coating of water at some later stage
斯奎爾斯和其他工作人員在這些巖石上發現了分層沉積,他們推斷這可能是由火山灰與水蒸氣或晚些時候覆蓋于地表的淺水層混合而形成的。分享友人