火山地層學 的英文怎麼說
中文拼音 [huǒshāndecéngxué]
火山地層學
英文
volcanostratigraphy-
Distinct layers of ejected material on the volcanoes' slopes are allowing geologists to construct the chronological sequence of their formation.
噴發出來的物質層次分明地留在火山斜坡上,使地質學家們可以確定它們形成的年代順序。By physiognomy feature, it could be divided into three types of thermal structure : positive dome model, negative collapse model and border dome core collapse model. based on the depth degree or magma - thermal influenced, it could be divided into five types of thermal structure : ( ancient ) geothermal anomaly focus region model, superficial volcano eruption hydro - thermalism and hypabyssal intrusive model, thermal anticline ( thermal dome ) model, mid - deep intrusive model, deep mantle ( crust ) thermal plume model ; and put forward a perfect model of the thermal structure. there are many interaction system could be induced into a systematic thermal interaction, include : ocean - continent system, basin - mountain interaction, superficial and mid - deep crust - mantle interaction, crust - mantle commingle interaction, vertical thermal interaction ( delamination ) etc.
依據地貌形態分為三類:正向穹窿型、負向塌陷型、邊隆核陷型:依據巖漿-熱力作用影響的深淺程度或深度分為五類: (古)地熱異常群集區、表淺層火山噴發-熱液活動與淺成侵入型、熱力背斜(熱穹窿) 、中深層侵入型、深部地幔(地殼)熱柱型;提出了熱力構造作用空間分佈的理想模式,將洋陸系統、盆山作用、淺表與中深部殼幔作用、殼幔混合、垂向熱力作用(拆沉)等納入一個整體統一的熱力作用系統中,為盆地動力學研究打開了一個新窗口;研討了熱力構造研究方法。1. the framework of mesozoic strata in the north margin of the dabie orogenic belt was reestablished according to the discovery of the tuff beds and volcanic debris in zhougongshan and fenghaungtai formations, along with their isotope ages and the correlations of sedimentary facies and heavy minerals
在周公山組中在鳳凰臺組中發現了火山凝灰巖層利火山巖碎屑,結合同位素年代學研究以及沉積相和重礦物對比,重新釐定了大別造山帶北緣中生代地層的格架。Sugden, a geologist at the university of edinburgh, was trying to date an ancient volcanic eruption in east antarctica when he and his colleague uncovered the old ice
愛丁堡大學地質學家蘇格丹,與他的同事們在南極東部揭開古冰層時,就試圖去測定南極東部某次古代火山噴發的年代。Sugden, a geologist at the university of edingburgh, was trying to date an ancient volcanic eruption in east antarctica when he and his colleague uncovered the old ice
瑟頓是愛丁堡大學的一名地質學家,他和他的同事揭開了古冰層,並正試圖確定南極洲東部的一座古火山的爆發時間。The mentioned volcanic activity in yangzhuang formation is expected to propel the study of the proterozoic chronology and tectono - sedimentary evolution of north china
楊莊期火山活動可能提供華北地區中元古代年代地層學和構造沈積演化研究的新證據。On the basis of study on petrology, volcanic geology, geochemistry, isotopic chronology, antitheses of the regional strata and 4 suits of volcanic rock stratum of the yanshan - liaoning area, the rhythm of yanshanian volcanic activity is divided into 1 gigantic - cycle, 4 cycles, 11 micro - cycles, 24 sub - cycles and many rhythms. in addition, the temporal and spatial evolution and regional contrast of every - level rhythms are discussed. 3. based on the study on classifications of rhythm of volcanic activity and regional contrast, the petrology, mineralogy, geochemistry, and isotopic characteristics of every - level rhythms are discussed
2 、通過對燕遼地區燕山期發育的四套火山巖的巖石學、火山地質學、地球化學、同位素年代學的綜合研究,通過運用綜合方法進行區域地層對比和分析火山噴發盆地火山巖地層特徵的基礎上,將本區燕山期火山活動節律,劃分為1個二級節律(大旋迴) 、 4個三級節律(旋迴) 、 11個亞三級節律(小旋迴) 、 24個四級節律(亞旋迴)和多個五級節律(韻律)等,論述了各級火山活動節律特徵及其時空演化和區域對比。The lower paleozoic strata in the south kunlun massif are kulafuhe group of cambbrian - ordovician. they consists of metamorphic detrital rocks, limestone, magnetite - bearing basalt, quartzite ( meta - silicalite ), which suggests that they might form at active continent margin. the geochemical characteristics of volcanic and detrital rocks do indicate that they might form at an active marginal environment such as island arc etc. associated with the qimanyuter ophiolite suit, there are lots of early paleozoic granitic plutons
在昆南地塊上的早古生代地層為寒武?奧陶系庫拉甫河巖群,由變碎屑巖、灰巖、含磁鐵礦玄武巖、石英巖(變硅質巖)等組成,顯示其比昆北地塊有較大的活動性,火山巖和碎屑巖的巖石地球化學特徵也反映為島弧及活動邊緣環境。Geologists have long known that water leaking into faults can trigger earthquakes, and nine days is about the same amount of time that they estimate it takes water to work its way down through cracks and pores in kilauea ' s fractured basaltic rock to a depth of five kilometers ? where the silent earthquake occurred
科學家早就知道,水要是滲進斷層之內便會引發地震,而他們估計,雨水從裂縫和孔隙滲入奇勞亞火山破裂的玄武巖所需的時間,正好就是九天;滲透的深度達五公里,也就是無聲地震發生的地方。According to distribution regularity of elements in strata, intrusive rocks, ores and orebodies of the zhongqiuyang volcanogene hydrothermal copper deposit, this paper has elucidated characteristics of geochemical primary anomalies, determined indicator elements related to the ore deposit and their sequence of zoning, established indices for evaluating denudation extent of ore deposit, and formulated geochemical anomaly pattern of the ore deposit
摘要據鐘丘洋火山熱液型銅礦床的地層、侵入巖、礦石和礦體中元素的分佈規律,闡明了該礦床的地球化學原生異常特徵;確定了與礦床有關的指示元素及其分帶序列;建立了礦床剝蝕程度的評價指標及該礦床的地球化學異常模式。分享友人