結晶巖 的英文怎麼說
中文拼音 [jiējīngyán]
結晶巖
英文
crystalline rock-
The mafic dikes, volcanic rocks and alkalic - ultramafic dikes are terrestrial, and were all formed in the extensional settings. 3
三類巖石在侵位結晶過程都不存在明顯的地殼混染。During diagenetic process, there may exist the fractional crystallization of clino - pyroxene, plagioclase, olivine and ti - fe oxide, and the accumulation of olivine. the alkalic - ultramafic dikes formed by low degree partial melting ( 3. 4 % ) of enriched mantle, consist of single olivine pyroxenolite, the dominating olivine fractionation is evident
成因上為富集地幔部分熔融作用的結果,但在成巖過程中也可能存在單斜輝石、斜長石、橄欖石和ti - fe氧化物等礦物的分離結晶作用。Based on the studies of petrotexture, structural deformation and the relevant metamorphism, this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies ( 800 ) and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting
本文通過巖體的結構、構造變形及相應的變質作用研究,提出了該橄欖巖體是由超基性巖漿在殼幔過渡帶結晶而成,並經歷了與圍巖一致的麻粒巖相( 800 )條件下的早期塑性變形以及角閃巖相和綠片巖相退化變質條件下與逆沖上升有關的韌性剪切變形。Detail mapping shows that the yagan mcc consists of crystallized metamorphic core ( low plate ), detachment zone and upper plate. the metamorphic core consists of can be further subdivided into two level parts low - level high metamorphic and upper - level shallow metamorphic structural slice and between them there exists a ductile shear zone. thus the whole texture of the mcc is characterized by " three layers and tow zones " this reveals a process of extensional uplift of poly - level slices by poly ductile shear zones, a characteristics of poly - level extensional structural systems. the deformational environments change vertically in a sequence of high amphibolite facies
亞干變質核雜巖由下盤結晶巖系變質核、拆離帶和上盤巖系構成,其中,變質核由四個單位及許多花崗巖體(脈)組成,可進一步分為中深和中淺變質兩個構造單位(巖片) ,之間發育次級韌性拆離帶(花崗質糜棱巖帶) ,加上上盤總體構成「三層兩帶」的結構特點。The qiongzhong and danxian batholiths, as the largest early mesozoic syntectonic granite intrusions in hainan island, are mainly composed of porphyritic biotite two - feldspars granitoids, in which alkali - feldspar phenocrysts and dark minerals are foliated mostly in we - direction. the granites are of metaluminous i - type. major and trace elements show co - variations with sio2, suggesting the fractional crystallization of plagioclase, hornblende, apatite and ti - fe oxides in the evolution of the granites
花崗巖的主量元素和部分微量元素成分與sio _ 2呈良好的相關關系,顯示出明顯的斜長石、角閃石、磷灰石和ti - fe氧化物等的分離結晶作用,總體上它們與大陸島弧花崗巖的微量元素豐度和分佈特徵相似,系統地虧損ba 、 nb 、 sr 、 p和ti等元素。The lacustrine carbonate rocks in the wudaoliang group consist of boundstone ( stromatolite ), micritic limestone, grainstone and micritic dolostone which were laid down in the shallow - water to bathyal, high - salinity and enclosed to semi - enclosed lake systems
五道梁群湖相碳酸鹽巖分為生物粘結灰巖(疊層石) 、泥晶灰巖、顆粒灰巖與泥晶白雲巖四大類,反映出沉積環境為一個具有淺水半深水、高鹽度、半封閉封閉特點的綜合湖泊系統。This strike will generally follow the structural trend of the crystalline rocks in the area.
這種走向通常與當地的結晶巖走向一致。Based on an analysis of geochemical characteristics of rocks and trace elements as well as rare earth elements, this paper holds that they are products of crystallization differentiation of the same magma, that the major ore resource of this area is copper, and that gabbro - diabase is the main ore - bearing horizon
通過對巖石化學特徵和微量元素、稀土元素地球化學特徵的剖析,表明其是同一巖漿結晶分異的產物,本區主要礦產應為銅,輝長輝綠巖是主要的含礦層位。The distinctive shimmer of the rocks and their marble - size crystals of red garnet, black hornblende and sage - green diopside in most places attest to metamorphic tortures nearly as intense as those experienced at akilia
伊蘇瓦巖石的許多特徵,如特殊的光澤與彈珠大小的各式結晶,包括紅色的石榴石、黑色的角閃石、鼠尾草般綠色的透輝石等,在在說明它經歷的變質作用幾乎與阿基利亞巖石一樣強烈。By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water
周圍礦床的風化蝕變為表生水提供了鐵質,形成弱酸性的含fe ( oh ) _ 3膠體的水溶液,表生水流經翡翠礦石時, fe ( oh ) _ 3膠體附著在巖石的表面,經過脫水結晶和吸附,形成褐鐵礦膠體,褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中,逐漸累積沉澱,形成次生色層。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。There are two stages to crux maifan stone ' s formation, the first stage is the forming stage of primary material, that is to say, the stage of mother rock formation, in this stage, the latter hypabyssal intrusive of crystallization fractionation and self - metamorphic process are an important factor to make sure them have many trace elements
麥飯石的形成中有兩個階段是十分關鍵的,第一個階段是基本物質的形成階段,即母巖的形成階段。在這一階段中巖漿分異結晶晚期的淺成侵入以及自變質作用,是保證其富含營養微量元素的重要條件。High - mg volcanic rocks approach the primitive mantle compositions, and their magmatic source is close to the composition of bse, derives from the lower mantle and formed by this type - mantle rocks " fractional melting highly ( > 25 % ). high - mg volcanic magma, formed in the axis of the emei mantle plume, underwent the crystallization differentiation of olivines and some pyroxenes ; some olivines reflect fair cumulus crystallization
高鎂火山巖接近於原始巖漿的組成,巖漿源區與地球平均成分bse的成分特徵相近,起源深度為下地幔,為該地幔巖較高程度的部分熔融( 25 )而形成的。高鎂火山巖處于地幔柱的軸部,經歷了橄欖石及一定程度的輝石分異結晶,並且橄欖石顯示出一定的堆晶作用。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。As magma cools, the first minerals to crystallize are olivine and pyroxene, which are rich in iron and magnesium
隨著巖漿冷卻,首先結晶出的礦物是橄欖石和輝石,富含鐵和鎂。All fibrous formations form from saturated solutions being squeezed out of pores in the bedrock ( usually limestone ) and depositing at they hit air
所有纖維狀沉積物都是由基巖(通常是石灰巖)的孔隙中受壓的飽和溶液形成的,當他們遇到空氣,就結晶沉積下來。Crystalline schist system
結晶片巖系It was found that the schorl or dravite in schorl - dravite group that is produced from pegmatite and has good crystal degree had a strong intensity of spontaneous polarity by electron - beam bombardment and x - ray diffraction of varying the temperature
利用電子束轟擊結合變溫xrd分析發現在schorl - dravite系列電氣石中,產于偉晶巖的,結晶度比較高的mg電氣石或fe電氣石具有較高的自發極化強度。These studies, therefore, suggest that the songsugou peridotite is not a tectonic massif of the upper mantle but a ultramafic magmatic rock body crystallized in deep crust and tectonically emplaced in the upper crust
從而證明了松樹溝橄欖巖體並不是上地幔巖石的殘片,而是由巖漿在深部地殼環境下結晶而成並以固態構造侵位於地殼的上部。Various deviation surveying, preventing and controlling systems used for continental scientific drilling and deep hole drilling in crystalline rock are collected and summed
收集和總結了主要科學鉆探項目和結晶巖深孔取心鉆探項目採用的鉆孔測斜、防斜和糾(造)斜系統。分享友人