巖類 的英文怎麼說
中文拼音 [yánlèi]
巖類
英文
kindred-
The heat production in rocks due to radioactivity is highest in the acid rocks and lowest in the ultra-basic rocks.
巖石的放射作用熱產率以酸性巖類最高,超基性巖類最低。Porphyry rocks in this belt are intermediate - acid rocks of calc - alkaline series
該斑巖帶斑巖屬鈣?性系列、中酸性巖類。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。The differences between the conductivities of different kind of rocks are rather small.
不同巖類熱導率的差異還是比較小的。Eight aspects related to the study of early precambrian metamorphic stratigraphy are dealt with in this paper : general situation of the study ; complexity of the stratigraphy and difficulties of the study ; thoughts and methods of the study ; division of rock suite, rock group and complex rock ; researches on important regional discordances ; types and characteristics of protolith and recovery of palaeoenvironment ; correct differentiation of the metamorphic strata, ttg rock system and other metamorphic plutonic rocks ; determination of the ages of the metamorphic strata
摘要主要論述了與早前寒武紀變質地層(學)有關的8個方面的問題:早前寒武紀變質地層的研究概況;早前寒武紀變質地層的復雜性和研究難度;早前寒武紀變質地層研究的思路和工作方法;早前寒武紀變質巖石地層單位巖群、巖組和雜巖的劃分問題;重要區域性不整合的研究;鑒定變質地層的原巖類型、巖石性質和恢復古環境;正確區分變質地層和ttg巖系以及其他變質深成巖;變質地層時代的確定。The microscopical observation proves that the main types of granitoid rocks are granodiorite and quartz monzodiorite, and the enclave is mainly monzodiorite. the rock - forming minerals are mainly k - feldspar, plagioclase, amphiboie, biotite, quartz, magnetite, titanite, apatite, epidote, etc. the zonation of the feldspars is very popular. the dark - colored minerals, such as biotite and titanite, have been highly oxidized
通過對本區花崗巖類樣品進行顯微觀察研究,知其主要的巖石類型為花崗閃長巖、石英二長閃長巖,其中的巖石包體主要為二長閃長巖,其造巖礦物為鉀長石、斜長石、角閃石、黑雲母、石英、磁鐵礦、榍石、磷灰石和綠簾石等,長石中環帶現象比較常見,黑雲母、榍石等暗色礦物顏色較深,表明其氧化程度較高。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。The main diagenetic stage and relevant rock types are the middle proterozoic assemblage of gneissoid granodiorite - adamellite and the sinean schistosity diorates
主要成巖期及代表性巖類有:中元古界為片麻狀花崗閃長巖二長花崗巖,震旦紀為片理化閃長巖。East qinling - dabie mountains ; lithosphere delamination ; granitoid ; uhpm ultra - high pressure metamorphite
東秦嶺大別造山帶巖石圈拆沉花崗巖類超高壓變質巖Another problem in the determination of a good representative value of the conductivity for a given rock type arises from the heterogeneity of the material.
測取給定巖類具有良好代表性熱導率數據的另一個問題是材料的不均勻性。It ' s a kind of dead soft - rock with some special characteristics of muddiness, softenness, dehydrate and rift etc when it meet water. however, the articles about the socketed piles in this stratum had not been discovered
昔格達組泥巖在四川境內的西昌、攀枝花地區分佈較為廣泛,該巖層具有遇水泥化、軟化和脫水開裂等特徵,屬極軟巖類。Ultramafic rock fragments, which almost is altered to ophite, distributed in structural zone and displayed structural lens. so far, 9 fragments were discovered and mapped in nujinshan and bujing area ultramafic rock can be divided two kinds according to it ' s geochemical characteristics. one can be correlated with metaperidotite, which represented residual part that primary pyrolite underwent moderate partial melting, from some representative ophiolite melange in the world
按超鎂鐵巖類的地球化學特徵可將其劃分為兩類:一類具有較高而穩定的mgo 、較低的al _ 2o _ 3 、極低的cao , m f值為8 . 0 ? 8 . 4 ,按標準礦物組合進行分類可定為方輝橄欖巖,且均為fa _ ( 100 ) 、 en _ ( 100 )的鎂質端元組分;可與世界上一些典型的蛇綠巖套中變質橄欖巖進行對比,代表了原始地幔中等部分熔融作用后殘余物。The middle proterozoic granitoids was an intraplate type producted in transitinal crystalline basement before plate collision
中元古界的花崗巖類是板塊碰撞前過渡性結晶基底上局部熔融花崗巖類。Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks
摘要火山碎屑巖是介於溶巖和沈積巖之間的過渡類型巖石,巖類復雜。The lithology of c petrofabric is marble, accidental gneiss. by field attitude, rock association character, petrography and petrochemistry, we know that the protolith of a petrofabric is mainly composed of pelite, sandstone and basic to acidic volcanic, that of b petrofabric mainly a suite of pelite, sandstone ( maybe include volcanic ), and that of c petrofabric mainly limestone, impurity limestone, a few of pelite and pyroclastic rock
A巖組的巖性主要是各種角閃巖類和片麻巖類夾有片巖,偶有變粒巖、大理巖。 b巖組的巖性主要是各種片巖夾有大理巖、石英巖。 c巖組主要是一套大理巖,偶有片麻巖。On the basis of the types of sand stone, light and heavy mineral associations, planimetric map of sedimentary facies and directions of palaeoflow, it is considered that detrital material of terrigenous deposit of chang6 - 8 oil - beds in this area come from southwest provenance, northeast provenance, west provenance and south provenance, respectively, which are the denudation area of huating - longxian county in southwestern, yinshan ancient land in the northern, the denudation area of yantong mountain and tongxin to the west of yangjiajuzi - yinjiacheng county and qinling ancient land in the southern
根據砂巖類型、輕、重礦物組合、沉積相帶平面展布及古水流方向等特徵的分析,認為研究區延長組長6 ? 8油層組陸源碎屑物質來自西南、東北、西部和南部四大物源區,分別為西南華亭?隴縣一帶剝蝕區,北部陰山古陸,西部的楊家咀子、殷家城以西的煙筒山、同心地區剝蝕區和南部秦嶺古陸。Strong negative 8 eu shows the granites are high evolved granite. ( 6 ) the tetrad effect of ree and the obvious fractionation between k - rb, y - ho, zr - hf, nb - ta, and sr - eu in the dajishan granites indicate that, the aqueous fluid pays an important role in the evolution of the granites, as well as indicate that there exist enough interaction between peraluminous melt and aqueous magmatic fluid. furthermore the fluorine played a very important role in this process
( 6 )大吉山花崗巖類稀士元素具有「四重效應」配分的特點以及微量元素對kjrb 、 y / ho 、 zr艦f以及nb / ta發生明顯分異,暗示在花崗巖巖漿的演化過程中,經歷了充分的流體一熔體作用,同時分異出大量富含f 、 w等礦化劑元素和成礦元素的熱液流體,致使鎢礦的形成。The main element analysis of whole rocks, the ree analysis and the trace element analysis have been done for the granitoid samples in this area. the chemical composition analysis has been done for the amphiboie and biotite minerals. the epma and x - ray powdered crystal diffraction have been done for k - feldspar, plagioclase, amphiboie, biotite, quartz, magnetite, titanite
對本區花崗巖類樣品進行了全巖主量元素、稀土元素及微量元素分析,對角閃石和黑雲母單礦物進行了化學成分分析,對鉀長石、斜長石、角閃石、黑雲母、及石英、磁鐵礦、磷灰石和榍石進行了電子探針和x射線粉晶衍射分析。Through observation, description, slice identification of cores and chemical analysis of whole rock, it is determined that the central volcanic rocks of the eastern depression are classified as four major types, i. e. basalt, trachyte, tuff and cataclasite of sedimentary volcanic rocks, in which trachyte is of basic series and potassium rock type
通過巖心觀察、描述,巖心薄片鑒定,全巖化學分析等資料,確定東部凹陷中段火山巖巖石類型分為4大類:玄武巖、粗面巖、凝灰巖和沉火山碎屑巖類,其中粗面巖類屬于堿性系列、鉀巖類型。A consistent zonal arrangement is a constant feature of those complexes that contain olivine-bearing rocks.
穩定的帶狀排列是這些含橄欖石巖類雜巖的固定特點。分享友人