白堊板巖 的英文怎麼說
中文拼音 [báièbǎnyán]
白堊板巖
英文
chalk slate-
Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase
查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元，其盆地基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島弧褶皺帶，具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境；燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境；早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。Siziwangqi of inner mongolia is located on the north margin of north china craton, the junction of north china craton and siberia. granulite xenoliths are found there in cretaceous basalt. these xenoliths are mainly plagioclase - pyroxenite
內蒙古四子王旗地區地處華北板塊北緣，與西伯利亞板塊的接合部，其早白堊世橄欖玄武巖中發現大量下地殼麻粒巖捕虜體，並可見輝石長石捕虜晶。In addition, the mafic dykes of hainan island were formed in an intraplate extensional environment, similar to the mafic dykes in north guangdong and fujian coastal areas, all suggesting an extension regime tectonic in southeastern china during cretaceous
白堊紀基性巖脈（ 81 135ma ）形成於板內拉張環境，與粵北、福建沿海地區的白堊紀基性巖脈共同指示了中國東南部白堊紀時期處于拉張的構造環境。
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