古相巖 的英文怎麼說
中文拼音 [gǔxiāngyán]
古相巖
英文
palaeotypal rock-
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。Based on the 1 : 50000 regional geological survey, the sertengshan rock group is revised, involving the schist and marble of low - amphibolite to high - greenschist facies, which are distributed in middle and west inner mongolia
摘要根據近年完成的1 : 5萬區域地質調查成果及綜合研究,將分佈於內蒙古中部色爾騰山、大青山、西部烏拉特后旗以及阿拉坦敖包、疊布斯格等地的低角閃巖相高綠片巖相的片巖、大理巖系釐定為色爾騰山巖群。Therdly because of the influence of terrain and geological structure, arenaceous resources of different regions are different in mu us. sands are mainly from riverway in northwest ; from efflorescent cretaceous sandstone on account of higher topography in the middle part of mu us ; and sands resources are intricated in southeast, mainly including riverway sands, sands blown by the wind and embedded sands under so
3 、毛烏素沙地因受地形和地質構造影響,不同區域的砂質來源情況不盡相同,西北部地區主要為河道沙;中部地區地勢較高,為白堊系基巖裸露而風化成沙;東南部地區沙質來源情況復雜,主要有:現代河道砂、風積沙、也有埋藏在現代壤土之下的出露古沙。The lower zone and the bronzite of the transition zone may be compared with the basal zone of the still-water complex.
下巖帶和過渡帶的古銅輝巖可與斯蒂爾沃特雜巖的基底巖帶相比。Paleogeographic data suggest the first occurrence of the taihangshan gravity lineament was initially formed during the early cretaceous, which is coeval with the peak of mesozoic magmatism in this region
巖相古地理分析說明太行山重力梯度帶的雛形形成於早白堊世,與華北中生代巖漿活動的高峰相吻合。Under the guidance of the theories of sedimentation, paleontology, stratigraphy, reservoir geology and digenesis, synthetically applying the methods of the conjunction of spot - line - surface, macro - microscopic and field - indoor, there is a comprehensive study for the upper permian series in stratum, rock, sedimentary facies and diagenesis, especial for the type and characteristics of sedimentary facies, in the paper. based on the above, the vertical evolutionary model of the sedimentary environment is explained by the study of the elevation profile and transverse profile and the regional geological characteristics
本文主要是以沉積學、古生物學、地層學、儲層地質學等相關理論為指導,運用點線面、野外與室內、宏觀與微觀相結合的方法,並藉助普通顯微鏡、陰極發光顯微鏡等手段對川西地區北部上二疊統的地層、巖石、沉積相以及成巖作用進行了研究,尤其是對沉積相的類型及特徵作了詳細的劃分與闡述。The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field
該方法根據差應變分析( dsa )實驗確定地應力相對于巖心標志線的方向,利用古地磁方法確定巖心標志線相對于現代地理北極的方位,兩者結合確定地應力方向。From sedimentology symbol such as rock assembled, sediment gradus, sandstone grading analysis, protogene sedimentary structure, ichnofossile and logging facies etc and palaeoenvironment background, it is confirmed that shen84 - an12block s34 segment is braid river delta system, not fan delta system ( abrupt slope ). then it can be more partition as braid river delta plain sedimentary assembled, delta front sedimentary assembled and prodelta sedimentary assembled on core and log assembled. and delta plain sedimentary assembled can be identified four microfacies : braided distributary channel, crevasse splay, overbank deposits and interdistributary bay
沉積微相研究是儲層非均質性研究的基礎,研究區有豐富的巖芯資料和測井資料,通過巖石組合、沉積韻律,砂巖粒度分析、沉積構造、古生物遺跡和測井相等沉積學標志,結合古環境背景,確定沈84 ?安12塊s _ 3 ~ 4段為辮狀河三角洲體系,而不是前人所認為的扇三角洲(陡坡型)體系,在巖芯和測井組合上可進一步劃分為辮狀河三角洲平原沉積組合、三角洲前緣沉積組合和前三角洲沉積組合,其中三角洲平原沉積組合又可識別出辮狀分流河道、決口扇、分流河道邊部和分流間灣四種微相類型;三角洲前緣沉積組合識別出水下分流河道、水下分流河道邊部和分流河口壩三種微相。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。The transitional group of diabases have intervenient sig, feg, tig, indicative of in - between melting degrees and melting depths. the highest nag in thes e rocks tend to suggest that na behaved as a moderately incompatible element during magma generation, thus preclude the possibility for residual jadeite to host na
所有的觀察事實反映徐州地區晚元古代輝綠巖來源於具有不同深度、不同富集程度的nd同位素虧損地幔,因此最好的解釋模式就是它們為地幔柱沖擊作用下巖石圈-軟流圈-地幔柱相互作用的產物。The pges abundance patterns of residual mantle rock with a peleo - subduction background is characterized by pd, pt depletion and ir, ru relatively enrichment, while the basalt and basic dyke by the processing of partial melt in the same background take an opposite feature of pd, pt enrichment and ir, ru depletion. the existence of fluid in the subduction zone increases the degree of partial melt on the one hand, and on the other, activates the activity of pd, pt compare to ir, ru, and thus reduces the pd ir and pt ru in residual mantle rock. the pges patterns for basalt and basic dyke from two carboniferous volcano zones to south qoltag and north turpan - hami basin, xinjing uigur autonomous region, take a shape of gentle positive inclined curve with lower pt and pd differentiation and lower pges. all these features are obviously different from that of basic dyke and basalt from typical ophiolite and therefore the author believe that their fluid - rich paleo - subduction zone environment can be ruled out
古俯沖帶背景下的殘餘地幔巖的pges配分以pd , pt明顯虧損和ir , ru相對富集為特徵,而部分熔融產物的玄武巖和基性巖脈則呈現相反的ir , ru明顯虧損和pd , pt相對富集特徵。俯沖帶中流體的參與一方面增加了部分熔融程度,有利於pd , pt從原始地幔進入熔融相另一方面,流體的作用使得pd , pt相對于ir , ru遷移活動性效率提高,造成地幔巖中We conclude the reservoir is of complex pore - cave - fracture type. 5. the karst reservoir is studied by paleography, leaching time, hydrological regime, lithofaces - paleography, combined with outcrops and drilling data, the karst reservoir model is established
8 、本區巖溶儲層的空間分佈呈帶狀,非均質性強,並受水動力帶、巖性、沉積相、構造、風化剝蝕持續時間和古地形的影響。Nangqian ; basin ; petrology ; deposition system ; palaeocurrent
囊謙盆地巖相沉積體系古流向Sequence stratigraphy and lithofacies paleogeography in ziniquanzi formation in piedmont fault - fold belt, southern margin of junggar basin
準南山前斷褶帶紫泥泉子組層序地層及巖相古地理Characteristic of lithofacies paleogeography and sedimentary environment of the middle proterozoic wufushan group in jishan area, henan provin - ce, china
河南箕山地區中元古界五佛山群沉積環境及巖相古地理特徵The coqen basin in xizang lies between the bangong - nujiang suture zone and yarlung zangbo suture zone, and once extended northwards and southwards, respectively centred by the qiekan - goicang - asog rift zone as the center of deposition and subsidence during the middle jurassic to the early creatceous. ( 1 ) during the middle - late jurassic, the rift zone was occupied by deep - water turbidites, radiolarian siliceous rocks, shallow - water carbonate rocks, clastic rocks and basic - ultrabasic rocks, while both sides of it by littoral and shallow marine elastic rocks and carbonate rocks
摘要位於班公湖怒江縫合帶與雅魯藏布江縫合帶之間的措勤盆地,在中侏羅世早白堊世期間具有以且坎古昌阿索裂谷帶為沉積、沉降中心向南北兩側展開的古地理格局:中晚侏羅世時期,裂谷帶內由深水濁積巖、放射蟲硅質巖和淺水碳酸鹽巖、碎屑巖巖片及基性超基性巖等組成;裂谷帶兩側由濱淺海相碎屑巖和碳酸鹽巖組成。At the same time, relationship between rock and elctronics for every formation is determined. 2. there are five depositional faces in the area : open sea, restrained sea, tidal flat, salified lagoon and bank
4 、在單井沉積相研究的基礎上,對各組的巖相古地理特徵進行了詳細研究,研究認為:區內發育開闊海、局限海、潮坪、咸化瀉湖和灘五種沉積相類型。On the basis of the feature of paleostructure, paleogeography and lake level fluctuation in chang - 6 to chang - 8 oil - bearing layers, this text researchs paleogeographic feature and evolution. chang - 8 stages are the early days of lake basin outspread, chang - 7 stages are steadies stage of lake basin outspread, chang - 6 stages are shrinkage of lake basin, the lake level slowly droping, lake strandline moving eastward
根據古構造、古地理、湖平面升降等特點研究了長_ 6 ?長_ 8期巖相地理特點及其演化,長_ 8期是湖盆擴大的初期;長_ 7期為湖盆擴大階段中穩定期;長_ 6期為湖盆擴大階段中開始萎縮,湖平面繼續緩慢下降,湖岸線向東遷移。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。The rock combination and lithofacies of the late paleozoic marine volcanic rocks are quite complex
晚古生代海相火山巖相巖石組合較復雜。分享友人