本文關(guān)鍵詞：西太平洋—北印度洋及其洋陸過渡帶:古今演變與論爭　出處：《海洋地質(zhì)與第四紀(jì)地質(zhì)》2017年04期 　論文類型：期刊論文

  更多相關(guān)文章： 洋陸過渡帶 兩洋交接轉(zhuǎn)換 洋底動力學(xué) 一帶一路 印度洋 西太平洋

【摘要】：西太平洋-北印度洋及其洋陸過渡帶是國家發(fā)展戰(zhàn)略"一帶一路"的海洋絲綢之路核心區(qū),從地球科學(xué)的視野,科學(xué)地深度思考認(rèn)知"一帶一路"相關(guān)的地學(xué)基本問題,尤其相關(guān)兩洋及其洋陸過渡帶的地質(zhì)與海洋的科學(xué)基本問題及其自然生態(tài)環(huán)境、災(zāi)害、資源能源狀態(tài)、潛力、發(fā)展趨勢,是當(dāng)前地球科學(xué)界服務(wù)于國家重大需求的重要任務(wù)。因此,本文主要就西太平洋和北印度洋及其洋陸過渡帶的相關(guān)固體海底科學(xué)的幾個重要問題進(jìn)行討論:1、現(xiàn)代有關(guān)兩洋突出的大洋地質(zhì)問題。從兩洋及其洋陸過渡帶研究現(xiàn)狀與發(fā)展需求思考,主要包括,(1)兩洋及其中板塊的起源、起始與生消演化問題,主要有,(1)初始三角型太平洋域板塊起源、過程,包含Galapagos和西Shatsky等微板塊差異成因等;(2)古今太平洋域的諸板塊對東亞大陸作用時空演化過程和現(xiàn)今狀態(tài)與趨勢;(3)印度洋起始、演化與超大陸裂聚問題。(2)洋中脊研究最新進(jìn)展與問題:(1)洋中脊-熱點相互作用和洋中脊增生方式問題,如何思考洋中脊0 Ma處的千萬年垂向增生行為與百萬年側(cè)向擴(kuò)張關(guān)系問題;(2)弧后盆地擴(kuò)張與正常大洋洋中脊的成因機(jī)制差異;(3)印度洋超慢速和太平洋快速擴(kuò)張與差異擴(kuò)張的根本動因,是否有主動與被動擴(kuò)張之分,及其關(guān)于洋中脊推力問題等;(4)洋中脊躍遷死亡:洋內(nèi)板塊重建、洋中脊終止活動和空間躍遷的原因;(5)洋中脊-地幔柱相互作用。(3)洋內(nèi)俯沖和洋內(nèi)構(gòu)造問題:(1)洋內(nèi)俯沖帶起因與洋內(nèi)弧、洋中脊俯沖與陸緣板片窗、轉(zhuǎn)換斷層與轉(zhuǎn)換型大陸邊緣;(2)大火成巖省與海山鏈、洋底高原等。(4)印度洋海洋核雜巖與洋殼流變學(xué)問題等。(5)大洋板塊驅(qū)動力問題研究進(jìn)展,包括地幔對流、負(fù)浮力、海溝吸引力、洋中脊推力等新的評述討論。2、兩洋的洋陸過渡帶問題。包含:(1)陸緣基底屬性:沖繩海槽、鄂霍茨克海、新西蘭東側(cè)海底地殼是陸殼還是洋殼及洋內(nèi)微小陸塊的成因和來源;(2)洋陸過渡帶的洋陸交接轉(zhuǎn)換與耦合過程如何:西太平洋海山鏈記錄的洋內(nèi)重大轉(zhuǎn)折事件與大陸邊緣重大事件對比、洋陸轉(zhuǎn)換帶與地幔剝露、弧后盆地轉(zhuǎn)換斷層成因、轉(zhuǎn)換型陸緣的形成與消減等問題。(3)西太平洋與東亞大陸的洋陸過渡帶有無巨大平移轉(zhuǎn)換斷裂作用,其時空、規(guī)模如何,意義何在。(4)兩洋交接轉(zhuǎn)換與洋陸過渡帶深淺部關(guān)聯(lián),即歐亞、太平洋和印度-澳大利亞三大板塊匯聚,及其從深層地幔、巖石圈到地殼與地表系統(tǒng)效應(yīng)問題,及在此背景下兩洋的洋陸過渡帶相關(guān)問題。3、古今太平洋板塊與特提斯帶、歐亞大陸板塊、印度洋域板塊關(guān)系,尤其現(xiàn)今它們的關(guān)系及其發(fā)展動態(tài)趨勢。最后對"兩洋一帶"有關(guān)海洋地質(zhì)、洋陸過渡帶與深部地質(zhì)作了瞻望。
[Abstract]:The West Pacific Ocean and North India ocean continent transition zone is marine silk road core area of national development strategy "The Belt and Road", from the perspective of Earth Science, the basic problems in the scientific depth of cognitive thinking "The Belt and Road" related to learn, especially basic scientific issues related to the two ocean and ocean continent transition geology with the sea belt and the natural disasters, ecological environment, resources and energy, potential and development trend, is an important task in the earth science community service in the major needs of the country. Therefore, this paper mainly discusses several important issues related to the solid seafloor Science in the Western Pacific and the North India ocean and its oceanic continental transition zone: 1, the modern two ocean outburst geological problems. Two from the ocean and the ocean continent transition zone research and development needs of thinking, including, (1) and the two ocean plate origin, initiation and dissipation evolution, mainly, (1) the initial triangle Pacific plate domain origin, process, including Galapagos and West Shatsky micro plate of different causes; (2) the ancient Pacific plate domain on the evolution of East Asian continent and the role of space-time process status and trends; (3) India ocean initiation, evolution and super continental split clustering problem. (2) the latest research progress and problems of the ridge in the ocean: (1) the problem of mid ocean ridge - Hot interaction and ridge hyperplasia, how to think about the problem of mid ocean ridge at 0 Ma million years vertical accretion behavior and lateral expansion of millions of years; (2) the difference formation mechanism of basin expansion and normal the big ridge of the back arc; (3) the fundamental cause of India ocean and the Pacific super slow rapid expansion and difference expansion, whether there are active and passive expansion, and a mid ocean ridge thrust problem; (4) the death reason: ocean ridge transition ridge end activities and spatial transition in Ocean plate reconstruction, mid ocean ridge; (5) - plume interaction. (3) to construct the intra oceanic subduction and oceanic: (1) the ocean subduction zone and the causes of intra oceanic arc, ridge subduction and continental margin plate window, transform faults and conversion type continental margin; (2) the formation of oceanic plateau rock and seamount chain, etc.. (4) the problems of the oceanic nuclear complex in the India ocean and the rheology of the oceanic crust. (5) research progress on the driving force of the oceanic plate, including mantle convection, negative buoyancy, trench attraction, ocean ridge thrust and so on. The problem of the ocean land transition zone in the 2 and two oceans. Contains: (1) continental margin basement property: Okinawa trough and the Okhotsk Sea, east of New Zealand ocean crust is the continental crust or oceanic crust and ocean micro landmass formation and sources; (2) to the ocean land transitional transition zone and the coupling process of the West Pacific Ocean seamount chain record major events and major events, turning edge contrast, ocean continent transition zone and mantle formation and stripping reduction, dew basin transform fault causes, arc after conversion type continental margin. (3) the transoceanic transition between the Western Pacific and the East Asia continent has no huge translational transition fracture, and what is the time and space, and what is the significance. (4) the two ocean transition is related to the deep and shallow relationship between the two oceans and the transitional zone. That is the convergence of the three plates in Eurasia, the Pacific and India, and the system effect from deep mantle to lithosphere to the earth's crust and surface. Under this background, the related problems of the oceanic transitional zone in the two oceans are also discussed. 3. The relationship between the ancient and modern Pacific plates and the Tethys, the Eurasian continental plate and the India oceanic plate, especially their relationship and development trends. At the end of the "two ocean" marine geology, ocean continent transition zone and deep geological prospect for.
【作者單位】： 西北大學(xué)地質(zhì)學(xué)系;海底科學(xué)與探測技術(shù)教育部重點實驗室中國海洋大學(xué)海洋地球科學(xué)學(xué)院;青島海洋科學(xué)與技術(shù)國家實驗室海洋地質(zhì)功能實驗室;
【基金】：國家自然科學(xué)基金(41325009,U1606401) 山東省泰山學(xué)者特聘教授項目 鰲山卓越科學(xué)家計劃(2015ASTP-0S10) 國家海洋局重大專項(GASI-GEOGE-01)
【分類號】：P736.1
【正文快照】： 西太平洋-北印度洋海域及洋陸過渡帶(以下簡稱“兩洋一帶”)是“一帶一路”戰(zhàn)略的核心區(qū)域(圖1),并輻射全球。其地理范圍包括了海上絲綢之路的海域和洋陸過渡帶,涉及60多個國家。中國倡導(dǎo)的“一帶一路”,目的為使沿線國家緊密成為利益、命運和責(zé)任共同體,促使人類社會可持續(xù)和

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