alteration rock 中文意思是什麼

alteration rock 解釋
蝕變巖石
  • alteration : n. 1. 變更，改變，變化。2. 【地質學；地理學】蝕變。3. 〈美方〉閹割。
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  1. K - ar age of an illite from alteration rock in the contact zone around lianhuashan porphyry is 38. 6ma. with referencing to the main metallogenic period of yulong copper metallogenic zone and of ailaoshan gold metallogenic zone, it is suggested that the time of formation of deposits in the district studied is probably in a period of time from 38. 6ma at earliest to 20ma at latest. this time is equivalent to the origination time of two important tectonic events, i. e., lanping movement and the turning point when ailaoshan - red river fault turned from sinisteral into dextral

    獲得了蓮花山巖體周圍接觸帶蝕變巖中伊利石k - ar年齡38 . 6ma ，參考玉龍銅礦帶和哀牢山金礦帶的主要成礦期（分別為30ma左右及26ma ） ，釐定本礦集區成礦年齡下限為38 . 6ma ，上限為20ma ，與兩次重要的構造事件?蘭坪運動的起始時間及哀牢山?紅河斷裂由左旋轉為右旋的時間相當。
  2. The mechanical genesis of the complicated rock mass is because several times of tectonism in pro - period made the structure of rock mass in the right dam foundation damaged seriously and rock mass alteration made its mechanical character more anisotropy. after that the fractures in the right dam foundation slope were stretched at the beginning of the quaternary period because in the period yakouhoushan mountain quaquaversal dome was blowups quickly. at the same time, the valley trenching of lancang river reach to 800 - 1000 meter in altitude at the right bank in nuozadu dam site

    導致右岸巖體復雜化的成因是，右岸巖體在早期遭受了多期構造作用和巖體蝕變的基礎上，第四紀早期丫口後山穹隆的快速隆起與當時河谷下切至800m 1000m高程這一特殊因素組合引起了右岸巖體沿原有的斷裂（裂隙）張開，使地下水等風化營力能夠到達坡體較深部位，經過長期的風化卸荷作用，形成了右岸復雜巖體。
  3. The gangue minerals are mostly carbonating minerals, fluorite, barite, celestite and so on ; the rock alteration is slightly silicified, carbonated, baritizated, celestited, which is low - temperature alteration. because of continual downgoing extrusion from india plate to euro - asian plate, there are some thrusting nappe structures in lanping basin related to the orogens on the two sides

    礦床中礦石礦物發育典型的中低溫熱液成因的礦物組合，如黝銅礦系列、方鉛礦、黃銅礦等，脈石礦物主要為碳酸鹽類礦物、螢石、重晶石、天青石等；圍巖蝕變主要發育弱硅化、碳酸鹽化、重晶石化、天青石化等低溫蝕變組合。
  4. Past investigation found the rock in the right dam foundation composing of granite ( _ 4 ~ 3 _ 5 ~ 1 ) in dyas - trias, which has a very complicated mechanical environment. the complicated phenomenon is as follows : tectonism, alteration, rock mass demobilize, rock mass stress release and other factors. because of this several weakness rock zones and a loosen rock mass zone are develop in the right dam foundation

    前期的調查表明其右岸巖體力學環境復雜，表現為：構成右岸壩基（肩）巖體主體的二迭三迭紀花崗巖（ _ 4 ~ 3 _ 5 ~ 1 ）受構造變動、蝕變、風化卸荷等因素的影響形成了壩基軟弱巖帶和壩肩上部卸荷鬆弛巖體。
  5. 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。
  6. The alteration of wall rock is mainly of propylitization, silicification, carbonatization, argillization and beresitization. the characteristics of alteration show the zoning and overlapping on the space. from the inner to outside of the ore vein zoning is : silicification inner core - argillization - beresitization - propylitization

    蝕變在空間上既有分帶性又有相互疊加的特點，其分帶從礦脈中心向外依次為硅化內核?泥化帶?黃鐵絹英巖化帶?青盤巖化帶。
  7. The main achievements obtained in this paper are as follows : 1. some of new recognitions were obtained on such aspects as strata sequence, rock type, metamorphism, hydrothermal alteration and the sedimentary environment by the study on many profiles in this area, with discovery of volcanic rocks for the first time in ore - bearing strata and ore bodies

    取的了如下主要成果和認識： 1 、通過對礦區地層多條剖面的研究，對地層的層序、巖石類型、變質作用、熱液蝕變及原巖沉積環境有了新的認識，特別是在賦礦地層及礦體中首次發現了火山巖。
  8. The genesis of gold deposits is complex in this district, the type of quart - vein plus etch rock belongs to hydro thermally superimposed complex mineralization. the type of porphyry and scraping rock containing charcoal belongs to volcano sediment - alteration hydro thermally gold deposits, the formation of gold deposits is controlled by several factors

    本區金礦床的成因比較復雜，石英脈+蝕變巖型金礦屬于熱液疊加復合成因礦床，含炭火山碎屑巖型金礦屬於火山沉積?變質熱液改造型層控金礦床。
  9. The following new knowledge are acquired : a ) the cu background of stratum and jinningian alkali basite is abnormal high, which could be liberated from those rocks during alteration. cu et al. minerogenetic elements, which main came from magmatic rock, some from stratum ( yinmin formation and luoxue formation ) and its basement rocks

    礦床中cu等成礦物質來源復雜，以深源為主，部分來源於地層（因民組紫色層和落雪組白雲巖）及基底地層；礦區內的退色蝕變作用可能是混合流體堿質交代改造作用的結果，對銅礦形成影響明顯，是銅礦化的標志； 2
  10. This process was propitious to enrich, activate, transport the copper. in different alteration granodiorite porphyry, sio2, k2o, cu, mo are depleted in the fresh and weakly altered rock, and are enriched in the strongly altered rock, cl is also enriched in the strongly altered rock. but na2o and fe are extracted from the porphyry into the ore - forming fluid, especially the presence of fe is in favor of cu deposition

    在銅廠巖體不同的蝕變帶中， sio _ 2 、 k _ 2o 、 cu 、 mo等從新鮮斑巖甚至弱蝕變帶中帶出，而在強蝕變帶強烈富集， cl同樣有在強蝕變巖石中富集的趨勢；而na _ 2o 、 fe從斑巖體中帶出，進入流體相中，流體中大量fe的存在，有利於銅的沉澱、富集成礦。
  11. A process of rock alteration or mineral formation brought about by the action of gases emitted from solidifying magma

    氣成作用；氣成通過從巖漿凝固中釋放氣體的作用下引起的巖石改變或礦物形成的過程
  12. Based on ore material sources, metallogenesis, occurrences, ore formation and wall rock alteration of gold ore deposits in the northest jiangxi province they are classified into four types i. e. magmatic hydrothermal gold deposit, volcao - subvolcano hydrothermal gold deposit, multi - sources hydrothermal gold deposit and heat underground water ( brine ) infiltrating gold deposit and 8 sub - types and the geological characteristics of the deposits are described and ore - forming control of sedimentary formation, structure and magmatic rocks on the formation of gold ore are summarized and gold ore - searching directions in the northeast jiangxi province are pointed out

    依據成礦物質來源、成礦作用、礦床產出條件、礦石建造和圍巖蝕變等因素，將贛東北地區巖金礦床劃分為巖漿熱液類、火山次火山熱液類、多源熱液類和地下熱（鹵）水滲濾類等4類8型，分述了各類（型）金礦成礦地質特徵，總結了沉積建造、構造和巖漿巖對區內金礦的控製作用，指出了贛東北地區金礦找礦方向。
  13. 4. the ore type is multitudinous in zhulazaga gold deposit, including exhaust - sediment type, alteration volcanic rock type, alteration metamorphic sandstone type, metasomatic rock type and sulfide quartz vein type, of which the strongest one contributed to deposit was the alteration metamorphic sandstone type, and the secondary one is alteration volcanic rock and metasomatic rock type

    4 、朱拉扎嘎金礦的礦石類型眾多，有噴流沉積型、蝕變火山巖型、蝕變變質砂巖型、交代巖型和硫化物石英脈型，其中對礦床或礦體貢獻最大的是蝕變變質砂巖型，其次是蝕變火山巖型和交代巖型。
  14. By study hongyan deposit on minerogenetic and geological background, mineral constituent, rock alteration, rare - earth element, isotope and typomorphic feature of sulpurization mineral, we made a conclusion that the feature of haongyan is deposition - rebuilding desposit

    通過對紅巖礦床的成礦地質背景、礦物成分、圍巖蝕變、稀土元素組成、同位素以及硫化物的標型特徵進行研究，確定了紅巖礦床的成因為沉積?改造型礦床。
  15. Discussion on relationship of the wall rock alteration and the mineralization of gold deposit in the duhuangling gold area, eastern jilin

    吉東杜荒嶺金礦區圍巖蝕變與金礦化關系
  16. Geological characteristics of wall - rock alteration of micro - disseminated gold deposits in china

    中國微細浸染型金礦床圍巖蝕變地質特徵
  17. The original rock temperatures defined the level to which all alteration of rock temperatures must be related.

    原始巖石的溫度限定巖石溫度的所有變化都必須關聯層位。
  18. The stratums containing mine, tectonic - hydro thermally process, magma activity, alteration react to district mineralization in degrees. the belt of granite facies, the inside and outside contact belt of rock body, the joining belt of tectonic - hydro thermally superimposed, the stratum belt of unconformity contact are the main enrichment belt

    含礦地層及礦源層、構造-熱液作用、巖漿活動、變質作用都在不同程度上對區域成礦起作用，而花崗巖相變化帶、巖體內外接觸帶、構造?熱液疊加交匯帶、地層不整合接觸帶則為金礦化主要富集帶。
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