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     Petrological Records of the Mesozoic_Cenozoic Mantle Plume Tectonics in Epicontinental Area of Southeast China

     中國(guó)東南大陸邊緣中新生代地幔柱活動(dòng)的巖石學(xué)記錄

短句來源

     It is suggested that the greenschist of the collision type is considered as the products and marks for the continent continent collision during the oceanclosing, the muscovite/two mica granites is regarded as a petrological records for the intracontinental subduction, the shoshonite series is believed as a mark of the margin of intracontinental orogenic belt with the lithosphere horizontal shortening type, and A type granites in the late orogenic period are considered to be an indicator for the orogenic collapse.

     提出碰撞型藍(lán)片巖是大洋閉合與陸－陸碰撞作用的產(chǎn)物和標(biāo)志，白云母／二云母花崗巖是陸內(nèi)俯沖作用的巖石學(xué)記錄，以鉀玄巖系列為主的火成巖組合是水平縮短式陸內(nèi)造山帶邊界的標(biāo)志，造山末期A型花崗巖是造山帶崩塌的標(biāo)志。

短句來源

     The forming of Tangquan pluton is indicated that there have been the petrological records of lithosphere extension since Middle-Jurassic (180 Ma) in the region, with the time past, the lithosphere extension and thinning is intense and the interaction of crust-mantle is obvious. The contents of mantle composition in igneous rocks are increased gradually with the time.

     湯泉巖體的形成指示研究區(qū)自中侏羅世(180Ma)以來已有巖石圈伸展的巖石學(xué)記錄,隨時(shí)間推移,巖石圈伸展減薄作用愈加強(qiáng)烈,殼幔作用愈加明顯,越至晚期巖石中地幔組分含量越高。

短句來源

     There have been the petrological records of lithosphere extension since Early-Middle-Jurassic (180Ma) in the region, and formation of Zijinshan peraluminous granites is resulted from the extension mechanism.

     研究區(qū)自早-中侏羅世(180Ma)以來已有巖石圈伸展的巖石學(xué)記錄。 紫金山強(qiáng)過鋁花崗巖是這種伸展機(jī)制延續(xù)的結(jié)果。

短句來源

     Peraluminous granites in the Himalaya belt are petrological records of intracontinental subduction, while peraluminous granites in the Gangdise belt more likely formed in response to northward subduction of Tethyan ocean crust.

     喜馬拉雅過鋁花崗巖是陸內(nèi)俯沖的巖石學(xué)記錄,而岡底斯帶過鋁花崗巖更可能是特提斯洋殼北向俯沖的巖石學(xué)響應(yīng)。

短句來源

     This paper briefly demonstrates that the muscovite(two-mica) granite is a petrological record of intracontinental subduction.

     本文簡(jiǎn)要地論述了白云母（二云母）花崗巖是陸內(nèi)俯沖的巖石學(xué)記錄。

短句來源

     The authors comprehensively discuss the lithologic records of thermal convection caused by magma activity, including thermal contact metamorphic rock, thermal alterated rock, the authigenic minerals assemblages of temperature suddenly increasing temperature gradually decreasing, relatively higher temperature authigenic minerals, analyses the importance of the K/Ar age of authigenic illite in the research of thermal convection diagenesis.

     綜述了巖漿成因熱對(duì)流的巖石學(xué)記錄 ,包括熱變質(zhì)作用、突然升溫—逐漸降溫的自生礦物組合和相對(duì)高溫的自生礦物類型 ,分析了自生伊利石的 K/Ar年齡在熱對(duì)流成巖作用研究中的作用。

短句來源

     The drive mechanism includes three types: compaction drive, gravity drive and density(heat convection)drive. Their foundational features and lithological information are very different.

     盆地流體的驅(qū)動(dòng)機(jī)制包括壓實(shí)驅(qū)動(dòng)、重力驅(qū)動(dòng)和密度 (熱對(duì)流 )驅(qū)動(dòng)三種機(jī)制 ,其基本特征及巖石學(xué)記錄各有不同。

短句來源

     WHERE'S THE PETROLOGY

     巖石學(xué)在哪里?

短句來源

     chapana with unicolorella by China (1925).

     的中國(guó)記錄為P.

短句來源

     (2)petrology;

     ( 2 )巖石學(xué) ;

短句來源

     Petrological Records of the Mesozoic_Cenozoic Mantle Plume Tectonics in Epicontinental Area of Southeast China

     中國(guó)東南大陸邊緣中新生代地幔柱活動(dòng)的巖石學(xué)記錄

短句來源

     ⑧entire record system.

     完整的記錄體系

短句來源

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Seismite is a petrological record of seism event in geologic history. From the bottom to top, the seismite sequence is composed of microfault bed, rubble bed and homogeneous bed. As a peleo-seisometer. The seismite can be used to understand seismicity and migrating laws of seism in geologic history.As a living example of seismite the authors discovered in Emei Mountain, authors have described various characteristics and summarized the marks of seismites.

震積巖(物)是地史時(shí)期地震事件的巖石學(xué)記錄,其震積層序自下而上由微型遞變斷裂層、微褶皺層、碎塊層和液化均一層組成。震積巖可作為古地震計(jì),以了解地史時(shí)期地震的時(shí)空分布、地震強(qiáng)度和遷移規(guī)律。以作者發(fā)現(xiàn)的峨眉震積巖為例,描述了震積層序中的各種特征,總結(jié)了認(rèn)識(shí)和辨別震積巖的標(biāo)志。

Seismit is the petrological record of seismic event in geological history. It is characterized by the seismitic structure. To identify the seismits are very important for the research on the development history of seism, regional tectonic, basin analyse and stratigraphic correlation.This paper, based on the Emei Mountain seismit which was found by the writers, discribed the characteristics of the seismit and seismitic structure, and summerized the differences of the seismitic structure with the other confusable...

Seismit is the petrological record of seismic event in geological history. It is characterized by the seismitic structure. To identify the seismits are very important for the research on the development history of seism, regional tectonic, basin analyse and stratigraphic correlation.This paper, based on the Emei Mountain seismit which was found by the writers, discribed the characteristics of the seismit and seismitic structure, and summerized the differences of the seismitic structure with the other confusable structures, such as slump structure, ice-border structure, convolout bedding and so on.

震積巖是地質(zhì)歷史中地震事件的巖石學(xué)記錄,具有特征的震積構(gòu)造.識(shí)別震積巖,對(duì)于研究地震歷史、區(qū)域構(gòu)造發(fā)展史和進(jìn)行盆地分析、地層對(duì)比等,都具有重要意義.本文以作者等所發(fā)現(xiàn)的峨眉震積巖為基礎(chǔ),描述了震積巖和震積構(gòu)造的特征,總結(jié)了震積構(gòu)造與滑塌構(gòu)造、冰緣構(gòu)造、沙丘塌落和流沙構(gòu)造、巷曲層理等易混淆構(gòu)造的區(qū)別。

This paper briefly demonstrates that the muscovite(two-mica) granite is a petrological record of intracontinental subduction.The indosininn-Yanshanian (245-122Ma) two-mica granites are widely distributed in the Sonth China Continent and the Tianshui-Yajiang region,and the foreland fold-belts are developed on both sides of the Yangtze Continent.Such a symmetric feature and their structural setting indicate the intracontinental subduction of Yangtze Continent beneath both the South China Continent and the Songpan-Ganzi...

This paper briefly demonstrates that the muscovite(two-mica) granite is a petrological record of intracontinental subduction.The indosininn-Yanshanian (245-122Ma) two-mica granites are widely distributed in the Sonth China Continent and the Tianshui-Yajiang region,and the foreland fold-belts are developed on both sides of the Yangtze Continent.Such a symmetric feature and their structural setting indicate the intracontinental subduction of Yangtze Continent beneath both the South China Continent and the Songpan-Ganzi fold belt.Based on both the total width of two-mica granite zones on both sides of the Yangtze Continent (about 650km ), the minimum subducted width of Yangtze continent is estimated to be 650km. The present width of Yangtze continent is about 680km, therefore the Yangtze Continent is reduced at least to about one half of its original width by the Mesozoic intracontinental subduction. Alternatively, the subducted area may be a micro-continent situated between the Yangtze Continent and Jiangnan orogenic belt. This paper gives a criterion to recognize and distinguish the intracontinental subduction zone and the thrust tectonic zone. The tectonic boundary between the Yangtze Continent and Qinling orogenic belt is a thrust-strike slip tectonic zone rather than a intracontinental subduction zone.The "Jiangnan orogonic belt" and Longmenshan "orogenic belt"are believed to be the overriding continents, rather than to belong to the Yangtze Continent. The inner side of the Mesozoic Southeast orogenic zone is considered to belong to the Hisgher Himalays-type intracontinental subduction zone rather than to the Yarlu Zangbo-(Tsangpo-) type or the Hsu's(1987) collision orogenic zone-type. The intracontinental subduction is believed to be the main mechanism for the formation of the South China Continent,which underwent both of the Neoproterozoic and the Caledonian intracontinental subduction events resembling the Yarlu Zangbo-type or the Hsu's (1987) collision orogenic zone type. Both the multiple intracontinental subduction and formation of muscovite granites with consequent concentration of the metallic elements of continental crust affinity may be a favouruble dynamic background for the formation of the large and superlarge W-Sn-Sb-Nb-Ta-REE-U ore deposits in the South China Continent.

本文簡(jiǎn)要地論述了白云母（二云母）花崗巖是陸內(nèi)俯沖的巖石學(xué)記錄。華南大陸與天水－雅江地帶廣泛分布中生代王云母花崗巖侵作入體，已有的同位素年齡范圍為２４５～１２２Ｍａ，與此同時(shí)，它們兩側(cè)的揚(yáng)子大陸發(fā)育前陸褶皺帶，這種成對(duì)性及其構(gòu)造配置表明，揚(yáng)子大陸曾向華南大陸與松潘—甘孜褶皺帶發(fā)生過陸內(nèi)俯沖作用�；诙颇富◢弾r帶的總寬度（約６５０ｋｍ），估算揚(yáng)子大陸最小的總俯沖量（指寬度）至少為６５０ｋｍ，揚(yáng)子大陸現(xiàn)今寬度約６８０ｋｍ，這樣，揚(yáng)子大陸在中生代時(shí)期由于陸內(nèi)俯沖作用縮小了約一半；另一可能方案是，消失的主要是夾持于揚(yáng)子大陸與江南造山帶之間的一個(gè)微大陸。揚(yáng)子大陸與秦嶺造山帶之間的殼內(nèi)構(gòu)造邊界不具陸內(nèi)俯沖性質(zhì)，而是逆沖推復(fù)一走滑構(gòu)造帶。在大地構(gòu)造單元上，江南造山帶與龍門山造山帶應(yīng)分屬兩個(gè)上疊大陸，而不屬于揚(yáng)子大陸。華南中生代造山帶內(nèi)側(cè)屬于高喜馬拉雅型陸內(nèi)俯沖帶（縫合帶內(nèi)無蛇綠巖伴生），而不是雅魯藏布江型（縫合帶內(nèi)有蛇綠巖伴生）。陸內(nèi)俯沖作用是華南大陸形成的主要機(jī)制之一。此外，它經(jīng)受過晚元古代和加里東期陸內(nèi)俯沖事件，可能屬于雅魯藏布江型。多次陸內(nèi)俯沖和白云母（二云母）花崗巖的形成導(dǎo)致親陸殼金屬元素富集，可能是華...

本文簡(jiǎn)要地論述了白云母（二云母）花崗巖是陸內(nèi)俯沖的巖石學(xué)記錄。華南大陸與天水－雅江地帶廣泛分布中生代王云母花崗巖侵作入體，已有的同位素年齡范圍為２４５～１２２Ｍａ，與此同時(shí)，，它們兩側(cè)的揚(yáng)子大陸發(fā)育前陸褶皺帶，這種成對(duì)性及其構(gòu)造配置表明，揚(yáng)子大陸曾向華南大陸與松潘—甘孜褶皺帶發(fā)生過陸內(nèi)俯沖作用�；诙颇富◢弾r帶的總寬度（約６５０ｋｍ），估算揚(yáng)子大陸最小的總俯沖量（指寬度）至少為６５０ｋｍ，揚(yáng)子大陸現(xiàn)今寬度約６８０ｋｍ，這樣，揚(yáng)子大陸在中生代時(shí)期由于陸內(nèi)俯沖作用縮小了約一半；另一可能方案是，消失的主要是夾持于揚(yáng)子大陸與江南造山帶之間的一個(gè)微大陸。揚(yáng)子大陸與秦嶺造山帶之間的殼內(nèi)構(gòu)造邊界不具陸內(nèi)俯沖性質(zhì)，而是逆沖推復(fù)一走滑構(gòu)造帶。在大地構(gòu)造單元上，江南造山帶與龍門山造山帶應(yīng)分屬兩個(gè)上疊大陸，而不屬于揚(yáng)子大陸。華南中生代造山帶內(nèi)側(cè)屬于高喜馬拉雅型陸內(nèi)俯沖帶（縫合帶內(nèi)無蛇綠巖伴生），而不是雅魯藏布江型（縫合帶內(nèi)有蛇綠巖伴生）。陸內(nèi)俯沖作用是華南大陸形成的主要機(jī)制之一。此外，它經(jīng)受過晚元古代和加里東期陸內(nèi)俯沖事件，可能屬于雅魯藏布江型。多次陸內(nèi)俯沖和白云母（二云母）花崗巖的形成導(dǎo)致親陸殼金屬元素富集，可能是華南Ｗ－Ｓｎ?

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