堿性巖 的英文怎麼說
中文拼音 [jiǎnxìngyán]
堿性巖
英文
alkali rock-
( 4 ) based on the analysis and summary of typical orogenic belt in china, advancing the marker to distinguish the exist of delamination occurred in orogenic belt, especially giving up some new marker such as ring ultrabasic - basic - medium acid rock body, local bimodal continental rifting volcanic activity ; rapakivi granite, etc. ( 5 ) collating the main stages of south part of sanjiang orogenic belts evolution after the close of old nanchangjiang ocean, i
較全面地提出了判別造山帶成熟拆沉作用發生的標志,特別是根據對我國典型造山帶的總結分析,提出了一些新的標志,如環狀超基性一基性一中酸性雜巖體;局部雙峰式大陸裂谷型火山活動;二長花崗巖、堿性花崗巖和奧長環斑花崗巖;地殼局部短暫下沉;等等。There are three genetic types of mineral deposits in the beiya ore district : cu - au polymetallic deposits related to alkaline porphyries, comprising porphyritic cu - au deposits and polymetallic skarn deposits related to quartz - albite porphyry and quartz - k - feldspar porphyry ; fe - au deposits related to gabbro or basalt magma, consisting of magmatic fe - au deposits and sedimentary polymetallic deposits formed in caves and lakes ; and palaeo - placers formed at the weathering surface, in lakes and in karsts
北衙金礦有3種成因不同的礦床:與堿性斑巖有關的銅金多金屬礦,包括與石英鈉長斑巖和石英正長斑巖有關的斑巖型銅金礦床和矽卡巖型多金屬礦床;與輝長玄武巖漿有關的鐵金礦床,包括熔漿型鐵金礦床和噴流沉積型多金屬礦床,後者又有洞穴和湖相沉積環境之分;及古砂礦,有古風化殼型砂礦、河湖相古砂礦和洞穴沉積古砂礦。So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction
巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系密切、水源易漏失,偏堿性環境、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶地質與生態環境十分脆弱,受到人為因素的影響和破壞,極易產生石漠化、土壤侵蝕與退化等一系列問題。Alkalic calcic rock sreies
堿鈣性巖系Calc - alkalic rock series
鈣堿性巖系The mineralization temperature is in a range of 90 ~ 300, and the mineralization fluid is a combination of slightly acidic - slightly alkalic precipitations, seawater and magmatic water
其成礦溫度在90 ~ 300之間,成礦流體為低鹽度的弱酸性弱堿性大氣降水、海水和巖漿水的混合溶液。Therefore, based on the isotopic chorology, petrochemistry, geochemisty and sr, nd, pb isotope, the ph. d dissertation mainly studied some yanshanian mafic dikes, volcanic rocks and alkalic - ultramafic dikes in shandong province
本論文主要從同位素年代學、巖石化學、地球化學和sr ? nd ? pb同位素方面對山東地區燕山期基性脈巖、火山巖和堿性超基性脈巖進行了系統研究。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 rock assemblages of the bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite
火山巖巖石組合以堿性玄武巖粗安巖堿性流紋巖為主。By studying, the main conclusions have been achieved as follows : i. the volcanic rocks, as the result of the partial melting of enriched mantle, comprise calc - alkaline andesite and dacite and a few tholeiite
通過研究,得出以下主要認識: 1 、火山巖為一套以鈣堿性安山巖為主,含少量拉斑玄武巖和英安巖。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。The compositions of usual elements and rare earth elements and inclusions of corundum megacrysts related to alkali basalt in changle, shandong province, are analyzed. in the main parts of corundum megacrysts are a large number of fluid - melting inclusions, zircon, ta - columbite inclusions, and in the central crystal core are a large number of melting inclusions. the corundum megacrysts were formed in different periods and different physical chemistry conditions. the crystal core was formed in magma system, and the main parts were formed in inhomogeneously geochemical conditions in which magam and fluid phases coexisted
分析山東昌樂與堿性玄武巖有關的剛玉巨晶不同部位的常量元素、稀土元素及包裹體組成.剛玉巨晶的主體以大量流體?熔體包裹體、鋯石、鈮(鉭)鐵礦包裹體為主,而巨晶中的「晶核」部位則以大量的熔體包裹體為主,反映研究區的剛玉巨晶是在不同的階段形成的.剛玉「晶核」以及「銅皮剛玉」形成於熔體相為主的體系中,而主體剛玉則形成於熔體?流體過渡的急劇變化的不均一的地球化學環境中The qiongzhong and danxian granites are belong to the kcg - type ( k - rich calc - alkaline ) granitoids according to the tectonic nomenclature by barbarin ( 1999 ). these foliated kcg - type granites with original orientated structure are the results generated in a changing geodynamic orogenic environment with alternating compressional to extensional stress field. this suggests that hainan island has been a part of south china since latest permian, and been major in extrusion environment of the tethys tectonic system
根據barbarin ( 1999 )分類,瓊中和儋縣巖基花崗巖屬于高k及含鉀長石斑晶的鈣堿性花崗巖,同時它們具有原生定向構造,是擠壓?鬆弛?擠壓的構造演化過程的產物,表明海南島從二疊紀末期開始已經是華南大陸的一部分,主要受到了特提斯構造域的影響。2 both the hanging wall and the footwail rock of ore bodies are garnet biotite schist, protoliths are alkaline volcanic rocks ( tracyh andesite ). according to characteristics of trace elements assemblages and the setting of tectonics, these alkaline volcanic rocks were derived from the lower degree melting of metasomatic and enriched mantle ( eml ) in the initial stage of middle proterozoic epoch. they strongly enriched in large ion lithophile elements ( lile ), such as ba
2 、礦體頂、底板圍巖(石榴石黑雲母片巖、鈉長黑雲母片巖等)的原巖為堿性火山巖(粗面安山巖) ,相對富集大離子親石元素ba 、 cs 、 rb 、 k 、 lree及貧zr 、 sr 、 ti 、 hf 、 hree ,為早元古代末期-中元古代早期交代富集地幔低程度部分熔融所形成的堿性火山巖。Rb - sr whole rock - minerals ages determination indicates that the isochronal ages are 25018 ma and 213. 09. 8 ma for suhaitu and wenduerhao intrusion, respectively. the dated isotopic ages demonstrate that the alxa alkaline - rich intrusive rocks belong to indosinian alkaline magma activity. the similarities and differences of the alkaline - rich intrusive rocks distributed in the alxa fault block and those distributed along the northern margin of the north china block and the tarim block are compared and discussed
採用rb - sr法對阿拉善斷塊有代表性的蘇亥圖溫都爾浩富堿侵入巖體的年進行了測定,分別獲得25018 ma和213 . 09 . 8 ma的年值,提供了屬于印支期的年代學證據,認為阿拉善斷塊北緣富堿侵入巖和華北斷塊北緣燕遼陰山印支期富堿性侵入巖帶應該劃歸同一印支期富堿性侵入巖帶。The formation of the enriched mantle ( em1 ) is attributed to the strong metasomatism - taking place between subducted yangtze lower crust and nc ( north of china ) ancient lithosphere
2 、火山巖、堿性超基性脈巖和基性脈巖(除少數外)都形成於大陸板內拉張環境。2. 38. 6ma and 36. 7ma isotopic ages of quartz - monzonite - porphyry in lianhuashan and alkaline porphyry in zhuopan have respectively been obtained. those results are consistent with the ages of the porphyries in both lanping - shimao basin and changdu basin related igneous rocks, representing the first episode ( lanping movement ) of tectonics - magmatism - metallogenic event during the himalayan movement
獲得了蓮花山石英二長斑巖及卓潘堿性斑巖的ar - ar年齡,分別為38 . 6ma與36 . 7ma ,與整個蘭坪?思茅盆地與昌都盆地及兩側的斑巖與相關火山巖一致,代表喜馬拉雅運動第一幕(蘭坪運動)的重要構造?巖漿?成礦事件。Calc - alkali magma
鈣堿性巖漿Partial melting of the enriched lithospheric mantle owing to a raised geotherm caused by lithosphere thinning and following the afc process resulted in the formation of the quannan and tabei syenites in southern jiangxi
隨著拉張作用加強,受軟流圈物質交代過的巖石圈地幔的小比例部分熔融形成的高鉀堿性巖漿經afc作用形成堿性雜巖(全南和塔背巖體) 。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。分享友人