火山形成 的英文怎麼說
中文拼音 [huǒshānxíngchéng]
火山形成
英文
construction of volcano-
The study shows that cretaceous volcanics mainly consist of medium acidic volcanic lava and volcanoclastic rocks, with locally developed basic lava ; medium acidic volcanics mainly consists of calc - alkalic series, was formed in compressive orogenic environment, and has good reservoir property, while cretaceous basis lava mainly consists of alkalic series, was formed in rift environment, and has poor reservoir property
結果認為,白堊紀火山巖以中酸性火山熔巖和火山碎屑巖為主,局部發育基性熔巖;中酸性火山巖以鈣堿性系列為主,形成於擠壓造山環境,儲集性能較好,而白堊紀基性熔巖以堿性系列為主,形成於裂谷環境,儲集性能較差。The bulk of the volcano is basaltic, but the slopes are dotted with cones and lava flows consisting of glassy, silica - rich lavas called dacites
此火山的主體是玄武巖,但是山坡卻點綴著由石英安山巖(一種玻璃質、富含矽的熔巖)形成的熔巖錐和熔巖流。On the basis of the study on the petrology, trace element, and isotopic geochemistry, the primary magma of volcanic rocks can be divided into two series according to their originated rocks and degree of partial melting. one is the basanite - alkaline basalt - olivine tholeiite magma series, which are generated by partial melting from spinel iherzolite ; the other is nephelinite magma - alkaline picritic basalt magma, which are generated by partial melting of the garnet iherzolite
巖石化學、微量元素、同位素地球化學證據都表明,華北、華南地區的火山巖根據源巖和局部熔融程度的不同,可以分為兩個原生巖漿系列:一個是源巖為尖晶石二輝橄欖巖,隨著局部熔融程度的增加,形成的碧玄巖巖漿-堿性玄武巖巖漿-橄欖拉斑玄武巖巖漿;另一個是源巖為石榴石二輝橄欖巖,隨著局部熔融程度的增加形成的霞石巖巖漿-堿性苦橄玄武巖系列。Channels and vents form and disappear below the caldera
破火山口下面的管道及噴口不斷形成及消失。The eruptions were associated with the development of several giant craters ( calderas )
大量熔巖和火山灰噴出,火山爆發形成多個破火山口。Distant effect of jurassic collisions of qiangtang terrane, lasa terrane and paleo - pacific land onto the eurasian land made east qinling - dabie mountains in a compressional circumstance for a long time, and suppressed its orogenic extension ; whereas, cretaceous late - collisional extension and appearance of west pacific trench - arc - basin system relieved east qinling - dabie mountains of external compression, instantly result in violent orogenic lithosphere delamination - extension and depressurized - calefactive melting, and consequently, led to the formation of large scale early cretaceous granitoids and intermediate - acidic volcanic rocks
羌塘地體拉薩地體和西太平洋古陸在侏羅紀與歐亞大陸拼貼碰撞的遠距離效應使東秦嶺大別造山帶長期處于擠壓環境,伸展作用被抑制白堊紀的碰撞晚期伸展和西太平洋溝弧盆體系的遠距離效應使東秦嶺大別地區的外部擠壓消失,導致造山帶巖石圈迅速強烈拆沉伸展和減壓增溫熔融,從而形成大規模早白堊世花崗巖類和中酸性火山巖。Not far from leng shui keng is chutzuhu " bamboo lake ", where a lake was created in prehistoric times when a volcanic eruption sent debris rumbling into a valley, where it dammed up a stream. chutzuhu in recent years has become noted for its many flowers, especially the calla lilies that bloom every year from december
冷水坑附近的竹子湖是火山堰塞湖,近來成為花卉栽種區,每年的十二月起是海芋盛開的季節,朵朵素白色的花朵在錯落的梯田上形成一片花海,一陣淡淡的霧氣飄過,疑似人間仙境。Chaparral - covered slopes, caves. . a good place for weekend family picnic, hiking and climbing
熾熱火山形成的絕頂奇石,猶如千面女郎,變化萬千,極適合野餐露營探險爬山。Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase
查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元,其盆地基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島弧褶皺帶,具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境;燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境;早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。In this case during paleozoic, nearly east west trending arc structures resulted from the interaction between china plate and siberian plate. in mesozoic the westward subduction of kula - pacific plate under the china continental plate resulted in the nne and ne trend structures ( duimadao fault, diaoyudao fault, okinawa fault, uplifts belts and subsidence belts ) as well as volcano - magmatic belts in eastern of china plate
本文所涉及近東西向展布的弧形構造形成於古生代時期中國板塊與西伯利亞板塊的碰撞帶,而在中生代,中國板塊下的kula - pacific板塊向西俯沖導致了北北東向和北東向構造(如duimadao斷層、 diaoyudao斷層、 okinawa斷層、隆起帶和沉降帶)以及位於中國板塊東部的火山巖漿帶。Distinct layers of ejected material on the volcanoes' slopes are allowing geologists to construct the chronological sequence of their formation.
噴發出來的物質層次分明地留在火山斜坡上,使地質學家們可以確定它們形成的年代順序。Volcanic activity has been responsible for large chunks of surface morphology in the western states, alaska, and hawaii.
火山活動是形成美國西部各州,阿拉斯加州和夏威夷州大片地形的主要原因。The team collected 65 - million - year - old droppings from the volcanic deccan traps of central india in order to study the diet of titanosaurs, the group of super - size dinosaurs that includes diplodocus
他們這支隊伍從印度中部火山噴發形成的德干巖群中收集了長達6500萬年的糞便,用以研究雷龍? ?與梁龍同屬超級大恐龍? ?的飲食結構。The study of the regional geological setting, occurence mode of ore body, ore rocks, and orecontrolling factors of shiyintan gold deposit indicates that it is an epithermal volcanic hydrothermal gold deposit
摘要通過對石英灘金礦床區域地質背景、礦體產出形態、礦石特徵、成礦控制因素的研究,認為礦床成因類型應屬淺成低溫火山熱液型金礦床。Then a lake formed, probably after an eruption blocked some rivers or streams.
可能是一次火山噴發之後,一些河流或溪水被堵塞了,形成了湖泊。And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates
通過對測試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變速上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。2. 6 2. 7ga, these granitoids are most likely to be derived from the partial melting of hybrids both 2. 6ga metavolcanic materials in archean wutaishan magmatic arc and older continent crustal materials under lower than 1. 2gpa. petrological and geochemical characteristics of wangjiahui granitoid intrusion suggest that is probably fored under post - collisional tectonic background
2 . 1ga在- 3 . 82 - 2 . 80范圍,表明王家會古元古代花崗巖最有可能形成於大約2 . 6ga五臺山大洋島弧火山巖物質和更老的陸殼物質在On earth, haematite usually forms in water, but not always ; one type forms at the high temperatures found in volcanoes
地球上,赤鐵礦通常形成於水中,但也並非沒有例外,特別的,火山的高溫也能促成赤鐵礦的形成。You can usually find good clay in low areas of islands or land, especially if volcanoes helped form the land
一般在島嶼或是陸地的低洼地能夠找到很好的黏土,特別是火山形成的陸地。A series of volcanic caverns, tunnels and chambers that span out of isle of kezan through the ocean floor, connecting to adjacent smaller islands to the west of isle of kezan
卡贊島底部遍布無數由火山形成的大型洞窟,隧道以及較小的洞穴,它們能跨海延伸到卡贊島西面的小島。分享友人