paleoproterozoic 中文意思是什麼
paleoproterozoic
解釋
古元古代-
Late paleoproterozoic geodynamic setting in wutai mountains : constraints from geochemistry of wangjiahui granitoids
五臺山古元古代晚期的動力學背景:王家會花崗巖地球化學的制約 -
The paleoproterozoic wangjiahui granitoid intrusion, west segment of wutai mountains, consists mainly of quartz monzodiorite, granodiorite, monzogranite and adamellite
五臺山西段王家會古元古代花崗巖侵入體主要由石英二長閃長巖花崗閃長巖和二長花崗巖組成。 -
Some conclusions are listed as follows : the plateform cover cap of ordos basin and its circumference areas can be divided into five tectonic sequences. the tectonic evolution of ordos basin can be classified in six stages : the basement formation phase ( from archeozoic to paleoproterozoic ) ; the aulacogen phase ( from mesoproterozoic to neoproterozoic ) ; the north china continental sea phase ( from sinian to early - paleozoic ) ; the north china intracratonic depression phase ( from late - paleozoic to early mesozoic ) ; large ordos inland basin phase and the formation of independent ordos basin ( mid - late mesozoic ) ; fault basin phase around the ordos basin ( cenozoic )
通過研究有以下成果及認識:鄂爾多斯盆地及其周緣地區沉積蓋層可劃分為五大構造層序,盆地的形成和演化分為六大構造階段:太古代至古元古代基底形成階段、中新元古代克拉通內裂陷槽或坳拉槽演化階段、震旦紀?早古生代華北陸表海盆演化階段、晚古生代?早中生代華北克拉通坳陷演化階段、中生代中晚期大鄂爾多斯內陸盆地演化階段及獨立鄂爾多斯盆地的形成、新生代周緣斷陷盆地演化階段。 -
The minerogenetic epoch lasted from paleoarchean to sinian, with neoarchean, paleoproterozoic and mesoproterozoic - qingbaikouan being the culmination periods
成礦時代從古太古代到震旦紀,但以新太古代、古元古代、中元古代青白口紀3個地質時期為成礦高峰期。 -
Paleoproterozoic ; wangjiahui granitoids ; partial melting ; recycling of islands arc and continent crustal materials ; tectonic transition ; wutai mountains
古元古代王家會花崗巖部分熔融島弧和陸殼物質再循環構造轉換五臺山 -
Integrated with other late paleoproterozoic granitoids within the central tectonic zone, it indicates that there was a tectonic transitional process from extension to compression during late paleroproterozoic in the southern segment of the central zone of ncc
巖石學和地球化學研究表明王家會花崗巖屬於後碰撞花崗巖,結合區域上古元古代地質特徵,表明華北克拉通中部帶南段古元古代晚期的花崗巖構成了與正常造山過程花崗巖漿演化相反的序列。 -
Several problems about the paleoproterozoic geology of eastern liaodong
對遼東古元古代地質若干問題的討論 -
Qinglong fault zone evolved successively by phases in a long term : it probably formed in the late period of paleoproterozoic and rejuvenated in a large scale during jurassic and cretaceous
青龍斷裂帶形成時間早,演化過程具長期性、階段性和繼承性特點,斷裂帶可能形成於早元古代末期,侏羅紀?白堊紀時,斷裂帶大規模復活,右行走滑作用為主要活動機制。
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