巖環 的英文怎麼說
中文拼音 [yánhuán]
巖環
英文
rock doughnut-
( 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。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。In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly
本課程主要講述礦物及其共生組合的形成和變化的條件和過程,不同物理化學條件下礦物的成分、結構、形態、物性等標型特徵以及它們之間的內在聯系,礦物及其共生組合在時間上和空間上的分佈和演化規律,礦物成分、結構、形貌、物性等的分析測試方法,礦物地質溫度計和地質壓力計對其形成環境的表徵,不同體系(封閉體系、開放體系)條件下,礦物的穩定范圍和彼此替代順序的共生分析,重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物(族)在成因上的宏觀標志和微觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。Long term immersing marshall test and frozen - thaw cycle test were used to investigate the anti - stripping performance of andesite asphalt mixture using cement and anti - stripping agent
摘要採取長時間浸水馬歇爾試驗和多循環凍融劈裂試驗方法,對摻加了水泥、抗剝落劑的安山巖集料瀝青混凝土水穩定性能進行研究。Under the circumstances, gypsum or anhydrite could accumulate to form beds many meters thick, without any co-precipitation of halite.
在這種環境下,石膏或硬石膏可以堆積成許多米厚的巖層,而沒有任何石鹽伴生沉澱。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。Based on the authigenic and clay mineral assemblage, two types of diagenetic ambient have been recognized in the meso - cainozoic detrital rocks in tarim basin
根據自生礦物與粘土礦物組合,在塔里木中新生界碎屑巖中可以識別出兩種成巖環境。Judging for characterstics of geochemical and structural environment of several caledonian granitoids in northeast guangxi
桂東北地區幾個加里東期花崗巖體的地球化學特徵及其構造環境判別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。Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase
查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元,其盆地基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島弧褶皺帶,具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境;燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境;早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。Comprehensive study indicates the dark, 50 - 300 m thick upper permian series, which is rich in the organic material ( om ) and biota, is beneficial to formation and protection of petroleum and natural gas. moreover the stratigraphy possess with better reservoir ability. the reservoir distributed in shallow glacis along beichuan tongkou - guangyuan changjianggou, he 12 well - she 1 well - jiange - cangxi yongningpu - long 4 well - bian 1 well in wujiaping stage and in platform edge beach along beichuan tongkou - jiangyou shuigentou - jiange - cangxi yongningpu - nanjiang
綜合以上,本文認為研究區上二疊統地層厚50 ? 300m ,顏色較深、生物含量多、富含有機質,並且該套地層自形成后,大多直接進入埋藏成巖環境,是一套十分有利於油氣的形成與保存的地層;同時該套地層的局部層段具有一定的儲集性能,在吳家坪期儲層主要分佈在北川通口?廣元長江溝、河12井?射1井?劍閣?蒼溪永寧鋪?龍4井?扁1井一帶,在長興期儲層主要分佈在北川通口?江油水根頭?劍閣?蒼溪永寧鋪?南江一線。The diagenetic environment results in different water - rock reaction and development of secondary porosity
成巖環境在一定程度上影響了水巖反應及次生孔隙發育。Algae - rich carbonate of cambrian is typical sediment of foreslope facies in sandu and danzhai, eastern guizhou province. after sediment, it experiences many changes of diagenetic environment, and takes place much diagenetic altercation, among which the biggest is salt water dolomilization, and then is compaction, recrystallization, pressure solution, organic dissolution, burial dolomilization, cementation and silicification
貴州省東部三都丹寨地區中上寒武統富藻碳酸鹽巖是典型的斜坡沉積,其在沉積后漫長的地質歷史時期內,經受了諸多成巖環境的改造,發生了極大的成巖變化,最大的成巖變化為鹹水雲化,其他的成巖作用有壓實作用重結晶作用壓溶作用有機溶解作用埋藏雲化作用膠結作用及硅化作用等。Miao beneath elegant environment is beautiful, dense shade trees, flowers, also known as the miao hua yan
妙華巖環境十分清幽雅緻,林木蔭密,鳥語花香,又稱妙花巖。Deep dissolution is the important diagenesis for forming pores because of its fast buried rate and good preservation of organic matter. the difference is that deep dissolution is strong and fills large amount of bitumen in the section of danzhai, which shows they are pores when the oil and gas assembled ; but pores are comparatively less in the section of sandu
由於斜坡沉積埋藏速度快,較快進入埋藏成巖環境,所以深溶作用有機溶解作用是該地區最主要的成孔成巖作用,所不同的是:丹寨剖面該種作用較強,而且孔內大部分灌入瀝青,充分說明其是聚集期孔隙而三都剖面這種孔隙相對較少。In the upper jurassic to tertiary, there is the alkali diagenetic ambient, in which the inter - pore fluid is inherited from the buried syngenetic water, i. e., alkali saline
上侏羅紀至第三系為堿性成巖環境,隙間流體繼承了封存同生水特徵,為堿性鹽鹵水。The great number of pores of reef rocks disappeared due to multi - generational cementation in submarine and taphonomic environments. the pores in reef rocks are mainly secondary and the primary pores are almost filled up. the evolution of pores is wholly controlled by diagenesis, all in a word, the histoty of diagenesis is evolution of pores
礁灰巖中的大量孔隙被海底和埋藏成巖環境中多期膠結物充填而喪失,孔隙類型以次生孔隙為特徵,原生孔隙基本被填實,孔隙演化完全受成巖作用的控制,成巖作用的發展史就是孔隙的演化史。In triassic and lower - middle jurassic, there is the acid diagenetic ambient, where inter - pore fluid is from the organic acid released from the coal measures during diagenesis
三迭系至中下侏羅紀煤系為酸性成巖環境,它們在成巖過程中釋放的有機酸使隙間流體呈酸性。分享友人