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題名 | An Application of the Tectonic Facies Concept and the Archepelago Model of Orogenesis to Interpret the Phanerozoic Tectonic History of China=利用大地構造相觀念及造山運動的群島模式來解釋中國顯生元之構造運動史 |
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作者姓名(中文) | 許靖華; |
作者姓名(外文) | Hsu, Kenneth J.; |
書刊名 | 中國地質學會會刊 |
卷期 | 40:3 1997.07[民86.07] |
頁次 | 頁469-480 |
分類號 | 353 |
語文 | eng |
關鍵詞 | 大地構造相; 群島模式; 造山運動; 顯生元; 構造運動史; 中國; Tectonic facies; Archepelago model; Orogenesis; Phanerozoic; Tectonic history; China; |
中文摘要 | 大地構造相單位可用岩石變形的型態為根據來加以辨識。這三種單位分別是 rhaetide,celtide及alemanide。在碰撞式的造山作用中,rhaetide代表上衝的單位逆掩 到下衝的alemanide單位之上,而celtide則代表碰撞的縫合帶。 地層學、沈積學與大地構造學的研究,顯示中國大部分大地構造相單位的沈積環境,主 要是在一個群島的島嶼上,海底沙洲或深海盆地延伸到島-弧邊緣的後面,而深成的與火山的 島弧則可由弧前或弧後的岩漿作用生成。 北中國、南中國及西藏是三個中國的岩石圈板塊。北中國在晚古生代與歐亞大陸縫合, 南中國在早中生代,而西藏是在晚中生代。板塊碰撞,正如印度與西藏的碰撞所表示的,產 生高原抬升的造陸運動。形成中國山脈的造山活動主要是發生在鄰近島-弧邊緣的板塊內部。 |
英文摘要 | Tectonic facies units have been recognized on the basis of the rock deformation styles. The three facies units are the rhaetide, celtide, and alemanide. In collision-type of orogenesis, the rhaetide of an overriding tectonic unit is overthrust onto the alemanide of an underthrust unit, whereas the celtide is the suture of collision. Stratigraphical, sedimentological, and tectonic consideration have revealed that the sedimentary deposits of most tectonic-facies units in China were laid down on islands, submarine banks, or deepsea basins of an archipelago to the rear of an island-arc margin, whereas the plutonic and volcanic arcs owed their origin to forearc or backarc magmatism. North China, South China, and Tibet were the three Chinese lithospheric plates. North China was sutured onto Eurasia during late Paleozoic, South China during early Mesozoic, and Tibet during late Mesozoic time. Plate-collision, as illustrated by the collision of India and Tibet, produces epeirogenesis of plateau-uplift. Orogenic activities forming the mountains of China took place mainly in plate-interior near an island-arc margin. |
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