巖漿生因 的英文怎麼說
中文拼音 [yánjiāngshēngyīn]
巖漿生因
英文
magma generation-
Dongzigou ag deposit and jianbaoshan au deposit are hosted in the sandstone of middle - proterozoic suberathem, which are developed from the proterozoic sediment metal source - rocks formed during the meso - proterozoic volcanism and reworked by the mesozoic tectono - magmatism during the formation of the metamorphic core complexes in eastern hebei. the dongzigou ag deposit has the characteristics of reformed strata - bound origin, the jianbaoshan au deposit, located in the detachment fault, is the alterated rock type. both deposits have the similar wall - rock alteration, and show the same trace element behavior, and ree patterns. they are the results of the multi - stage tectono - magmatism in the environment of continental extension in eastern hebei region. their mineralization depended on their wall rocks and relative location in metamorphic core complexs
賦存於中元古宙長城系常州溝組的洞子溝銀礦床和尖寶山金礦床是由密雲-都山變質核雜巖構造體系所控制的一組礦床。其成因為中元古宙火山巖漿活動形成的沉積礦源，后經中生代的變質核雜巖構造巖漿體系疊加改造而成。洞子溝銀礦床具有層控迭加改造的特點尖寶山金礦床則具有破碎蝕變巖型礦床的特點。By applying the theory and method of geological anomaly, it is focused on the analysis of the characters of major geological anomalies and their effect of mineralization in daye - jiurui region. the analysis result shows that the basement fault anomalies control a few major large hidden batholiths and their associated orefields ; that the anomalies of cover structure confine most cu - au deposits and fe - cu deposits within their scope ; that the geochemical anomalies and lithofacies - paleogeographical anomalies are major geological factors leading to trataboundness of some cu - au deposits ; that the anomalies of rock operties provide the favorable chemical and physical conditions for the ore - forming process, including the seepage, circulation, convergence and deposit of ore - bearing hydrothermal solution ; that the anomalous ctive stage of mesozoic magmatite is almost consistent with the major mineralization epoch of the fe, cu deposits, and the structure of multi - levels, and the zoning in magmatic system determine the spatial distribution of the mineralization system. then, based on the above analysis, a comprehensive variate, geological combination entropy, is brought forward for reflecting the complex degree of the combination of geological ore - controlling factors. after circumscribing the anomalies of geological combination entropy, the relations between the anomalies and ore deposits are determined
從地質異常的角度，重點分析了大冶九瑞地區主要地質異常的特徵及其對成礦的影響.由分析可知：基底斷裂異常控制了本區若干重要規模較大的隱伏巖基及伴生礦田，而蓋層構造異常控制銅金礦床和鐵銅礦床的空間位置；地層的地球化學異常和巖相古地理異常是造成一些銅金礦床層控性的主要地質因素；蓋層的巖性異常為含礦熱液的滲流、循環、聚集和礦質沉澱等一系列成礦作用提供了有利的物理和化學條件；中生代巖漿巖的異常活動期也是本區主要的鐵銅成礦期，巖漿巖系統的多層分枝和分帶性結構控制了本區成礦系統的三維空間分佈.在上述分析的基礎上，構置了地質組合熵作為反映控礦地質因素組合系統結構復雜程度的綜合變量，並圈定出組合熵異常，由此確定了綜合地質異常與礦床的關系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。In the early stage when the tiny spherical phases are smaller than micron scale, they collide and merge violently, therefore, they develop rapidly and are difficult to be preserved
在早期，數十微米級以下細小的不混溶球體相互相碰撞合併作用劇烈，生長迅速，正因為如此，以及巖漿結晶作用影響，這種球體相一般難以保存下來。The control of the deep - seated structural - magmatic process over the metallogenic system around the middle - lower yangtze river reaches is shown as : ( 1 ) the mantle uplift belt is closely related to the general geological background of the metallogenic system ; ( 2 ) the primitive magma originated from different parts of the mantle uplift belt ( mantle ridge or mantle slope ) shows differences in style of formation and composition and results in different magmatic series and metallogenic subzones, respectively ; ( 3 ) the varying depths of structural - magmatic chambers may form a " three - layered structure " ( central type, network - like and ring - like ) and this is the primary factor that controls the different magmatic series and the concerned cluster of ore deposits ; ( 4 ) the alkaline basaltic magma derived from the mantle ridge forms high - potassium and calcium alkaline magma and shoshonitic magma due to its altering intensity of afc process with the lower crustal material, which has something to do with the copper - gold and iron - sulphur metallogenic subsystems, respectively
深部構造巖漿作用對長江中下游成礦帶安徽沿江地區成礦系統的控製表現為： （ 1 ）地幔隆起帶與成礦系統的總體地質背景的演變密切相關； （ 2 ）源於地幔隆起帶不同部位（幔脊與幔坡）的原始巖漿，其生成方式和物質組成不盡相同，它們分別產生相應的不同巖漿巖系列和成礦亞帶； （ 3 ）不同深度的構造巖漿房組成中心式網格式環帶式「三層結構」 ，是控制區內不同巖漿巖系列及有關礦床集中分佈的主要因素； （ 4 ）源於地幔隆起帶脊部的堿性玄武巖漿，由於與下地殼物質發生的afc作用強度不同，形成了高鉀鈣堿性巖漿和橄欖安粗巖漿，分別與銅、金成礦亞系統和鐵、硫成礦亞系統有關。The authors hold that the joint actions of numerous factors such as the upper mantle uplifted zone ( the mantle thinned zone of lithosphere ), the upper mantle anomalous area ( relatively low - velocity area ), the uplifted zone of intracrustal high - conductivity layer, the deep fault ( shear zone of lithosphere ), the margin of the crust - upper mantle uneven masses, the basement uplifted area reflected by gravity high, the magmatic belt and tectonic intersection reflected by skipped magnetic field, control the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits
作者認為，上地幔隆起帶（巖石圈地幔減薄帶） 、上地幔異常區（相對低速區） 、殼內高導層隆起帶、深斷裂（巖石圈剪切帶） 、地殼上地幔不均勻性塊體的邊緣、重力高反映的基底隆起區、跳躍磁場反映的巖漿巖帶和構造交匯處等諸多因素的共同作用控制著含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈。Throughout researching it has been found that three main types of copper deposits, which mafic - ultramafic rock, marine volcanic rock and porphyry, with middle proterozoic, paleozoic and mesozoic in gansu, china. the cu - bearing formation, deep major faults and late structural - magmatic zones formed in specific geotectonic setting are main ore - controlling and metallogenic factors for copper, gold and polymetallic minerals in this area, and their convergent positions are effective ones formed ore bodies in space
通過研究認為：鎂鐵質-超鎂鐵質巖型、海相火山巖型及斑巖型三種銅礦類型，是甘肅的主要銅成礦類型，其主成礦階段為中元古代、古生代以及中生代；特定大地構造背景下形成的含礦建造、區域性深大斷裂以及後期斜向構造-巖漿活動帶，是該區銅、金及多金屬成礦的主要控礦因素，三者在空間上的復合是礦床體形成的有利部位。They settle to the bottom of the chamber, leaving the remaining magma enriched in silica and aluminum ? from which dacites emerge
它們沉到巖漿庫的底部，因此，剩餘的巖漿富含矽和鋁，石英安山巖即從中生成。Because these mare lavas predate the highland debris layers, which were laid down during basin formation 3. 8 billion years ago, they indicate that the eruption of lava onto the moon began well before the ages of the oldest mare flows sampled by apollo
因為這些月海巖漿，比38億年前盆地形成時產生的高地遺屑年代久遠，它們顯示月球上巖漿開始噴發的時間，遠早於阿波羅所採集樣本中最古老的月海巖流。Therefore, regional geochemical anomalies can be ranked and endogenetic deposits can be forecasted on the basis of bouguer gravity anomaly data
因此，應用布格重力異常資料可以推斷巖漿巖活動區（帶） ，預測內生礦床，篩選化探異常。The zijinshan fluid system and the gonglang fluid system were driven by the stress of extrusion nappe onto the basin and the thermal driving force of magmatism. when the fluids cycling in the basin encountered the boundary of reduction - oxidation or underwent fluid mixing, phase separating and fluid boiling caused by fault - induced pressure reducing, the physical chemistry condition abruptly changed and mineralization then took place
在盆地兩側擠壓推覆構造應力及巖漿作用熱力驅動下，紫金山背斜和公郎弧兩大流體系統的流體在盆地中運動，當遇到氧化還原界面或遭受流體混合、相分離及斷裂導致的減壓沸騰時，因物理化學條件發生重大變化而導致成礦作用的發生。分享友人