metamorphic age 中文意思是什麼
metamorphic age
解釋
變質年齡- metamorphic : adj. 1. 變化的，變形的；改變結構的。2. 【地質學；地理學】變成的，變性的，變質的。
- 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...
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On the age of metamorphic rocks of the yudongzi group and the archean crystalline basement of the qinling orogen
魚洞子群變質巖年齡及秦嶺造山帶太古宙基底 -
By statistically analyzing of isotopic ages for granitoids and commenting on previous studies, the authors preliminarily determine that a large volume of granitoids developed during 200100ma, predominately formed in the period of 150100ma, with the peak age at about 130ma. the inferred lithosphere delamination from the development of granitoids occurred slightly later than that deduced from researches on metamorphic rocks
通過對花崗巖類同位素年統計和前人研究成果的評述，初步確定在200100ma之間發育大量花崗巖類，並集中在150100ma為主即侏羅紀白堊紀之交，高峰時間為130ma左右花崗巖類大量發育指示了巖石圈拆沉的存在，且滯後於根據變質巖研究所揭示的拆沉時間。 -
However, the age of the rock closely approximates the timing of low - angle oblique subduction of an ancient pacific plate, high - pressure metamorphic event, uplift of the pingtan - dongshan metamorphic belt and movement along the changle - nanao shear zone
時間上與古太平洋板塊低角度?歪斜俯沖、晚中生代的變質事件、平潭?東山變質帶抬升和長樂?南澳剪切帶運動在時間上基本一致。
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