sinian period 中文意思是什麼

sinian period 解釋
震旦紀
  • sinian : 震旦紀;震旦系
  • period : n 1 時代;期;時期;期間;階段。2 〈the period〉現代,當代。3 周期;【地質學;地理學】紀。4 終結...
  1. Four tectonic evolution phases have been made out in this area. they are original crust formed in the archean - early proterozoic era, continental crust shearing in the middle - new proterozoic era, plate tectonic developed in sinian - triassic period and intracontinental orogeny in the middle cenozoic period

    將區內構造演化歸納為太古?早元古代原始地殼形成、中新元古代大陸地殼裂解、震旦?三疊紀板塊構造體制、中新生代陸內造山等四個演化階段。
  2. The author also suggested that the fuxin block developed on the base of the geosyncline in the huabei craton, and had experienced three period process of orogeny, including hercynian folding orogeny in continental margin, mainly indo - sinian to early yanshanian intracontinental fold - faulting orogeny, and late yanshanian to early himalayaian intracontinental range - basin post orogeny

    認為阜新地塊是在克拉通裂陷槽基礎上發育起來的,經歷了海西期陸緣褶皺始造山、印支?早燕山陸內褶斷主造山、晚燕山?早喜馬拉雅陸內盆山後(重)造山等過程。
  3. Sedimentation - diagenesis deposits mainly formed during late sinian to cambrian period, such as bingtongshan pbzn deposits and aozigang deposits

    沉積成巖型鉛鋅礦主要成礦時代屬晚震旦世~寒武紀,如冰洞山式鉛鋅礦床和凹子崗鋅礦床。
  4. The sinian granitoids are immediately related the plate collision, they were formed in the plate collision mounain - building period - post collision elevation period

    震旦紀花崗巖類與板塊碰撞作用密切有關,是碰撞造山一碰撞后抬升這一過程形成的花崗巖類。
  5. In qinghai province, it reveals that the au deposits are mostly distributed on the sits between different tectonic units ; and in the edge of the exposed and / or concealed metamorphic basement of the early sinian period ; in the area of the exposed and concealed acid - instrusions and / or their contacts ; and in the localities where the circular and linear anomalies of graviation and magnetism cut across

    結果表明,該區的金礦大都分佈在不同大地構造單元結合部位;處於前震旦紀變質巖系出露及隱伏基底邊緣;位於出露和隱伏中酸性巖體及其接觸帶;位於重磁環線、線線構造交匯處等。
  6. During the work period in the southern zone of the east qinling belt, the process of sedimentation, basin quality and its interior structure and configure, important events are studied from the sinian to the triassic, especially through more than one hundred km profile across the southern zone of the east qinling belt. in the technical method, the basin dynamic analysis in the cambrian and the devonian respectively and the cycle events in the late triassic are added to the research of the belt. the some basic and important viewpoints of the orogenic - sedimentology are prompted in the study method, thought and connotation fields in this stage

    在東秦嶺南帶沉積盆地演化研究中:通過對東秦嶺南帶從震旦繫到三疊系的沉積作用過程,沉積環境展布和變化,沉積盆地性質、內部結構、層序、配置和發展演化,沉積過程中重大地質事件研究;隨著全球沉積地質計劃在全球的推廣和展開,在研究內容和技術方法上,增加秦嶺造山帶層序地層學以及沉積盆地動力學探索等沉積地質學前緣學科的研究,這樣從更深入和更廣闊的角度進行了這個造山帶的沉積盆地分析,在研究方法、思路和內涵上開拓了造山帶沉積學的一些基本觀點。
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