geological period 中文意思是什麼

geological period 解釋
地質年代
  • geological : adj. 地質學的,地質的。 a geological survey 地質調查。adv. -ically
  • period : n 1 時代;期;時期;期間;階段。2 〈the period〉現代,當代。3 周期;【地質學;地理學】紀。4 終結...
  1. 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。
  2. Based on the geological, hydrogeological and hydrochemical information, the genesis of the underground hot water in qi county of shanxi has been analyzed. it is concluded that the formation of underground hot water is related to the magmatic activity in yanshan period, the goup of the base fault block forming in new tectonic period, the large depth and fast variety to underground water cycle

    從地質、水文地質、水化學等方面,分析了祁縣地區地下熱水成因,得出該地區地下熱水形成與燕山期巖漿活動、新構造運動形成的基底斷塊隆起及地下水循環深度大、交替迅速有關。
  3. Its existing shows that neighborhood of shidongkou fault zone once arises acid volcanic eruption in neoid period and provides new important information with basic geological study of guizhou

    它的存在,顯示了施洞口斷裂帶附近,挽近地質時期曾有酸性火山噴發活動,為貴州基礎地質研究提供了新的重要信息。
  4. This paper bases on the evolved process of environmental conditions during geological period, in west zhuo zi mountain and nearby area. it discusses the evolve process of natural environment before cenozoic era of this area and analyses the relationship between rare phytocoenology and the econological environment conditions of paleoclimate, paleogeology, paleoorganisms before cenozoic era of this area

    以西桌子山及其鄰近地區在地質歷史時期環境條件演變過程為主線,論述了該地區在新生代以前的自然環境演變過程,分析總結了西桌子山地區在新生代之前的古氣候、古地質、古生物等生態環境條件與珍稀植物群發生的關系
  5. This paper emphasize the research of geometry, kinematics, age of formation of oblique - thrustin. it is discussed that geological significance of obligue - trusting. ( 1 ) this paper classified the strata of sertengshan - xitieshan in northern qaidam basin into daken - dabanyan group in lower proterozoic, tanjianshan group in ordovician - silurian period, aimunike group in upper devonian period and guokesan formation of zhongwu - nunsan group in permo - carboniferous

    ( 1 )對柴達木盆地北緣的賽什騰? ?錫鐵山一帶出露的地層進行了較為系統的劃分,釐定了古元古代達肯大坂巖群、奧陶? ?志留紀灘間山(巖)群、泥盆紀上泥盆統埃姆尼克群、石炭? ?二疊紀中吾農山群果可山組。
  6. This paper draws conclusions from the studies on five typical deposits which are distributed in the west of lanping - simao basin. these conclusions are as follows : the types of copper deposits are different because the geological backgrounds of this area in different period are different ; songjiapo copper deposit belongs to a typical porphyry deposit, its mineral liquid mainly come from the magma that formed the triassic eruptive rocks and effected by the subsequent geological action ; jinman copper deposit, shuixie copper deposit and kedengjian copper deposit are the hydrothermal type

    文章在綜合分析、比較各礦床的礦床地質和地球化學特徵的基礎上,還結合了研究區的地質背景資料,研究了前人的成果和認識,初步分析了區域不同類型銅礦床的形成機制,探索性地提出了各類型銅礦床的成礦模型,以期為該區的找礦勘探和礦產開發提供理論依據。
  7. The geological conditions are very complicated in hejiazhai tunnel which is located in guizhou shuibo railway, this tunnel is named " mashed tunnel " with the most difficult geological conditions such as the high dense gas and developed karst and gushing water assembled together, the geological hazards like the gushing water and sand, the collapse of tunnel, surface subsidence and slide, cracking of tunnel lining were often happened during construction period

    摘要貴州水柏鐵路何家寨隧道,工程地質條件極其復雜,集「高瓦斯、強巖溶、大涌水」為一體,施工期間曾發生多次涌水涌砂、洞內坍方、地表塌陷與滑坡、支護襯砌開裂變形等地質災害,堪稱水柏鐵路施工難度最大的「爛洞子」 。
  8. The age values are close to crystallizing age of the quartz. combined with other geochronological data and the geological features, it is concluded that the indo - chinese epoch may be the principle mineralization period for gold deposits in the southwestern tianshan mountains. 3

    金屬硫化物的~ ( 34 ) s = - 3 . 4 + 2 . 6 ,西南天山地區下古生界地層中廣泛存在各類火山巖可能是該礦床的主要硫源,部分可能有深部物質的參與。
  9. At the end of late pleitocene, influenced by the climate of glacier period, the last great event of the region in the geological time was taken place so that the migration and extinction of organism species were resulted, loess accumulation was generally developed throughout the whole region, in the holocene, the most important environmental change was fluvial process, which was still influnced by two factors - neotectonics and palaeoclimatic changes

    更新世晚期末,受末次冰期氣侯的影響,本區發生了地史時期的最後一次大事件,造成了物種遷移和絕滅,全區廣泛發育黃土堆積。進入全新世,本區環境變化以河流作用最為顯著,沉積物主要分佈在各大水系的河谷中,構成一、二級階地和近代河床與河漫灘堆積。
  10. Abstract : on the basis of geological setting, burial characteristics and circumjacent environment of the graveyards of the spring and autumn period, the period of warring states, qin dynasty and han dynasty in hunan province, the authors used such geophysical and geochemical integrated methods as radiometric radon survey, mercurometric survey and ground penetrating radar to explore four large - medium - sized ab chu - tombs in a certain county in northwestern hunan and yangjianshan ancient tombs in changsha city. the results indicate the successfulness in prospecting for the integrity of the anciernt tombs

    文摘:根據湖南春秋戰國?秦漢古墓葬地質條件、埋葬特徵與周邊環境,遵循準確、簡便、快捷和經濟的原則,選擇並運用放射性氡測量、汞測量和探地雷達等方法,對湘西北某縣ab戰國楚墓群4個大中型古墓和長沙楊家山古墓開展物化探綜合勘查試驗,取得了古墓完整性勘查研究的初步成功。
  11. This paper summarizes seven kinds of geological factors advantageous for karstification, such as the lithology, the strata framework, the geological strature, the paleo - relief, the paleo - climate, the former pore space system and the later reconstruction in embedding period

    摘要分析了巖溶發育的7種地質因素,即巖性、地層結構、地質構造、佔地貌、古氣候、先存孔洞系統以及埋藏期的後期改造等。
  12. The environment in dhv is facing the serious vulnerable period in the history due to its nature situation of half - year dry period, fragile geological structure and shallow soil, and its social situation of over dense population and over farming

    由於乾熱河谷地區的地質結構不穩定、土層淺薄、人口膨脹、過度耕種,尤其長達半年的旱季等原因,導致該地區的生態環境處于極端的脆弱階段。
  13. There are two series of cu, au deposits, the stratiformed deposits and the intrusive - related ones in the mineralization belt of the middle and lower reaches of the yangtze river area. comparative studies on forming geodynamic backgrounds, geological and geochemical conditions of the ore - forming systems have been undertaken in this paper. the stratiformed deposits were formed in hercynian period by submarine exhalation - sedimentation sedex of hot brine through the synchronous basement faults in a tensional environmental, and the intrusive - related deposits were formed in yenshanian in a tensional or a transitional period to tensional environment during the upper mantle doming by water - rock interaction and complex transport - chemical reaction dynamic processes, the ore - forming fluids were mainly magmatic water from melt - fluid partition and some meteoric water

    成礦流體系統形成的地球動力學背景及地質地球化學條件對比研究表明,賦存於石炭系中的層狀銅金礦床是海西期拉張背景下熱鹵水沿同生斷裂經噴流作用形成的海底噴流熱水沉積礦床與燕山期中酸性侵入巖有關的銅金礦床是在上地幔隆起張性或向張性過渡背景下形成的,是中酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。
  14. Six geological formations in the parks contain fossils of a wide range of ancestors of mammals, dinosaurs and plants revealing the evolution of vertebrates and the nature of palaeo - environments in the triassic period

    公園含有六個不同的地質層,化石囊括了哺乳動物祖先、恐龍、到植物等廣闊物種,反映了脊椎動物的進化過程以及三疊紀時期的地球古環境。
  15. Chemical fossils particularly resistant organic chemicals present in geological strata that are thought to indicate the existence of life in the period when the rocks were formed

    化學化石:殘存於地質地層中的有機化學物質,當這樣的地層被發現時,可以預測出那個地層形成時期的生命活動現象。
  16. The cretaceous is a typical period for greenhouse climate in geological history and has become an important paleoclimate simulation period in international paleoclimate modeling community

    摘要白堊紀是地質史上一個典型的溫室氣候時期,國際上圍繞白堊紀氣候成因開展了一系列模擬研究。
  17. Holocene ( recent ) the present epoch in the geological time scale, being the second epoch of the quaternary period, dating from the end of the last glaciation, about 10000 years ago, to the present day

    全新世:在地質學上指第四紀的第二階段的整個時期,它終止於最後一個冰川期,距今大約10000年。
  18. The change of predominant period of ground micro - tremor is closely related to the formation of site soil layers, and mutually corresponds to the change of engineering geological conditions of the site

    地脈動卓越周期的變化與場地土層構造密切相關,與場地工程地質條件的變化相對應。不同地基土層構造對應不同類型的頻率分佈。
  19. As geological time is reckoned, man has so far existed only for a very short period one million years at the most

    按照地質年代來計算,人類到目前為止只存在了一個極短的時期? ?最多100萬年。
  20. With the public welfare geological work as the leading work, the demand of economic and social development as the dynamic force, and the equal emphasis of both resources and environment as the main aim, exploration geochemistry carried out multipurpose comprehensive geological survey in the period of 2001 - 2005, with a series of achievements gained

    2001 ~ 2005年勘查地球化學以國家其基礎性公益性地質工作為主導,以經濟社會發展需求為動力,以資源與環境並重為方針,實施多目標的地質大調查,取得一系列重要成果,標志勘查地球化學進入全面發展階段。
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