geological age 中文意思是什麼

geological age 解釋
地年代
  • geological : adj. 地質學的，地質的。 a geological survey 地質調查。adv. -ically
  • age : n 1 年齡。2 成年〈滿廿一歲〉。3 老年，晚年。4 壽命；終生，一生。5 時代，時期，年代。6 〈口語〉很...
  1. Isotopic age of shijuli gabbro in north qilian mountain and its geological significance

    北祁連山石居里輝長巖的同位素年齡及其地質意義
  2. The zircon age of haizhou group in the sulu ultrahigh - pressure orogenic belt and its geological implications

    蘇魯超高壓造山帶海州群鋯石年齡及其地質意義
  3. 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。
  4. The author suggests that for those kinds of samples like ophiolite which formed in the underwater environment and had very low potassium content, it should be better to determine their formation age by the sm - nd method as it is less sensitive to alteration. however, the step heating 40ar - 39ar spectra could often reflect the influence of later geological events on isotope system

    認為對蛇綠巖這類形成於水下環境，含鉀極低的樣品，其巖體的形成年齡宜選用對蝕變影響反應不明顯的sm - nd方法測定；但階段升溫~ （
  5. 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。
  6. 3 ) according to the dayi conglomerate " s gravel composition and direction when water flowed during geological age, comeback the paleogeograph of the longmenshan foreland basin, speculates that the dayi conglomerate " material source is located in the songpan - ganzi fold belt to the east, the pengguan fault to the west of the western sichuan plateau region

    3 ）根據大邑礫巖礫石成分及古流向分析，推測大邑礫巖物源區為松潘-甘孜褶皺帶以東、彭灌斷裂以西的龍門山地區，並恢復大邑礫巖沉積時期巖相古地理，認為大邑礫巖物源主要來自龍門山沖斷帶一側。
  7. The examples in abroad and home indicate that the viscous remanent magnetization is a convenient tool for orientation determination of drilled cores. it can be used on samples for which the geological age is not known. the only information required is well position, the direction and magnitude of well deviation and the " right way up " for the core sample

    結合國內外的研究實例和自己的研究實例，對利用粘滯剩磁確定巖心方向進行了較深入的研究，進一步證明了粘滯剩磁巖心定向是一種不用考慮復雜的地殼運動和地質年代，只需要井位的井斜數據和取心方向標記的簡單、方便值得推崇的方法。
  8. Construction of isotope geological age database in jiangsu province

    江蘇省同位素地質年齡數據庫建設
  9. The study covers regional stratigraphy, regional geological structures and their evolution ; deep - large fracture system and building - moutain straps in the basin ; distributing of mineralization concentration area and mineralazition characteristics of different metal fields ; volcanic magmatic activity and magmatic distributing ; the petrology, element geochemistry features of the magmatic rock series ; the relationship between magmatic distributing and mineralization ; the relationship between magmatic forming - age and mineralization ; the relationship between magmatic form and mineralization ; source of mineral materials, source of hydrothermal solution and source of mineralizing agent ; transport forms of metal in the solution ; the ore - forming geochemical mechanism, etc. it turns out as follows : ( 1 ) lanping basin formed in the linkup of the plates and it was propitious to form deep - large fracture

    研究內容包括：區域地層及區域構造演化；盆地深大斷裂系統及造山帶；區域地球物理場；礦集區礦床的時空分佈、礦化特徵；巖漿巖活動與巖漿巖分佈；巖漿巖巖石學特徵；巖漿巖元素地球化學特徵；巖漿巖分佈與成礦的關系；巖漿巖成巖時代與成礦的關系；巖漿巖組成與成礦的關系；成礦物質的來源，成礦流體的來源；成礦物質搬運、富集的地球化學機理等。研究結果表明：蘭坪盆地發育于板塊的拼接地帶，有利於發育深大斷裂系統。
  10. Rb - sr age and geological implication of the alxa alkaline - rich intrusive rocks, western inner mongolia

    阿拉善斷塊富堿侵入巖rb - sr年及其地質意義
  11. Scholars have studied the salawusu stratum which is regarded as late - pleistocene river - lake standard stratum in north of china by traditional geological method, and have acquired some basic opinions. but there are some defferent opinions in age range, sediment environment, sediment mechanism, at the same time, studying degree is not enough either

    學者們運用傳統地質理論和方法進行的我國北方晚更新世河湖相標準地層-薩拉烏蘇地層第四紀研究取得了一些共識，但在年代歸屬、沉積環境及沉積機理等方面仍然存在著分歧，研究程度還很不夠。
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