detrital rocks 中文意思是什麼

detrital rocks 解釋
碎硝巖
  1. 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。
  2. In the older rocks below these glacial deposits are detrital uraninite and pyrite, two minerals considered evidence for very low levels of atmospheric oxygen

    這些冰河沉積物下方的較老巖層,是瀝青鈾礦與黃鐵礦碎屑;這兩種礦物被認定為大氣中氧氣極為稀少的證據。
  3. 5. based on the analysis of their source rocks, the mesozoic detrital rocks in feixi area are mainly derived from metamorphic rocks of fuziling and luzhengguan groups, and the provenance of fenghuangtai formation is a disappeared ultra - high pressure metamorphic rock unit characterized with inland arc eclogites

    物源分析表明,位於肥西地區中生代碎屑巖主要來自佛子嶺群和盧鎮關群變質巖,鳳凰臺組的源區來自於一個已經消失的以島弧榴輝巖為代表的含超高壓變質巖單元。
  4. The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons

    在昆南地塊上的早古生代地層為寒武?奧陶系庫拉甫河巖群,由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖(變硅質巖)等組成,顯示其比昆北地塊有較大的活動性,火山巖和碎屑巖的巖石地球化學特徵也反映為島弧及活動邊緣環境。
  5. Geochemical characteristics of cretaceous detrital rocks and their constraint on provenance in jixi basin

    雞西盆地白堊紀碎屑巖地球化學特徵及其對物源的制約
  6. Geochemistry of the mesozoic and cenozoic detrital rocks and its constraints on provenance in the southeast foot of dabie mountains

    大別山東南麓中新生代碎屑巖地球化學特徵及其對物源的制約
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