early precambrian 中文意思是什麼

early precambrian 解釋
早期前寒武紀
  • early : n 厄利〈姓氏〉。adj 1 早；（果實等）早熟的。2 早日的，及早的。3 早期的，很久以前的，古代的；近日...
  • precambrian : adj. 【地質學；地理學】前寒武紀的。n. 〈the Precambrian 〉 前寒武紀。
  1. Eight aspects related to the study of early precambrian metamorphic stratigraphy are dealt with in this paper : general situation of the study ; complexity of the stratigraphy and difficulties of the study ; thoughts and methods of the study ; division of rock suite, rock group and complex rock ; researches on important regional discordances ; types and characteristics of protolith and recovery of palaeoenvironment ; correct differentiation of the metamorphic strata, ttg rock system and other metamorphic plutonic rocks ; determination of the ages of the metamorphic strata

    摘要主要論述了與早前寒武紀變質地層（學）有關的8個方面的問題：早前寒武紀變質地層的研究概況；早前寒武紀變質地層的復雜性和研究難度；早前寒武紀變質地層研究的思路和工作方法；早前寒武紀變質巖石地層單位巖群、巖組和雜巖的劃分問題；重要區域性不整合的研究；鑒定變質地層的原巖類型、巖石性質和恢復古環境；正確區分變質地層和ttg巖系以及其他變質深成巖；變質地層時代的確定。
  2. Tectonic framework of north china block and its cratonization in the early precambrian

    華北陸塊基底構造格局及早期大陸克拉通化過程
  3. Early precambrian basement and metallogenetic series in eastern heilongjiang province

    黑龍江省東部早前寒武紀基底及礦床成礦系列劃分
  4. Stratum composition in xiaoqinling represents early precambrian crystal basement and mesoproterozoic era cover rocks of the typical north china craton

    小秦嶺區內地層具有典型華北型早前寒武結晶基底和中元古代以來的蓋層結構，不發育晚古生代、中生代構造層。
  5. The basement of the basin is consist of precambrian crystal basement and paleozoic folding basement, while the cover has undergone the evolution of intra - continental rife in permian, down warped basin in triassic - cretaceous period and inter - mountains basin in tertiary. the main sediments are huge - thick volcanic rock, shallow intrusive rock and tuff in early permian, dark mudstone, marl and muddy dolostone in lucaogou formation in middle permian, huge thick volcanic rock, intruder in tiaohu formation in middle permian, miscellaneous sandy gravel, sandstone and gray mudstone in triassic ( the red is under the gray, and huge - thick dark gray, gray sandy gravel, sandstone, mudstone with coal layer in jurassic

    盆地基底由前寒武紀結晶基底和古生代褶皺基底組成，盆地蓋層則經歷了二疊紀的裂谷盆地、三疊紀?白堊紀的坳陷盆地和第三紀后的山間盆地的演化過程。盆地主要沉積了下二疊統巨厚火山巖、淺成侵入巖和凝灰巖；中二疊統蘆草溝組的暗色泥巖、泥灰巖、白雲質巖石以及條湖組的巨厚層火山巖、侵入巖；三疊系雜色砂礫巖、砂巖及灰色泥巖（下紅上灰） ；以及侏羅紀厚層深灰、灰色砂礫巖、砂巖、泥巖夾煤層。
  6. And, at several spots on the planet, the ediacaran lagerst ? tten, named after the ediacara hills of australia where the first example was found, harbor strange precambrian soft - bodied fossils and animal burrows, including evidence for early bilaterians

    而分佈在地球上數個地區的艾迪卡拉特異埋藏點（命名自首次發現的澳洲艾迪卡拉山） ，裏面藏有奇妙的前寒武紀軟體化石與蟲穴，包括早期兩側對稱動物的證據。
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