中國(guó)沉積盆地深層構(gòu)造地質(zhì)學(xué)的研究進(jìn)展與展望
本文選題:深層 + 構(gòu)造地質(zhì)學(xué) ; 參考:《地學(xué)前緣》2017年03期
【摘要】:研究盆地深層的構(gòu)造地質(zhì)學(xué),是應(yīng)用現(xiàn)代的地球系統(tǒng)科學(xué)理論和地球物理學(xué)、地球化學(xué)與地質(zhì)學(xué)的方法綜合研究盆地深部的物質(zhì)組成、地質(zhì)結(jié)構(gòu)及其形成演化過(guò)程,探討資源、能源礦產(chǎn)分布的構(gòu)造控制規(guī)律。中國(guó)的沉積盆地多為疊合盆地,疊合盆地深層的原型及其構(gòu)造-古地理演化、建造與改造的動(dòng)力學(xué)過(guò)程、構(gòu)造演化對(duì)油氣成藏條件的控制作用是我國(guó)石油構(gòu)造學(xué)家研究的核心內(nèi)容。經(jīng)過(guò)半個(gè)多世紀(jì)的艱苦努力,我國(guó)學(xué)者在這一領(lǐng)域取得重要進(jìn)展,建立了前陸型、坳陷型、斷陷型、走滑型等疊合盆地的4種基本類(lèi)型,深入研究了它們的地質(zhì)結(jié)構(gòu),開(kāi)展了其原型盆地恢復(fù)與構(gòu)造-古地理重建,探討了盆-山耦合關(guān)系及其對(duì)盆地深層結(jié)構(gòu)的控制作用。通過(guò)對(duì)盆地深層進(jìn)行多期疊加構(gòu)造解析開(kāi)展三維構(gòu)造建模,研究了盆地深層溫度場(chǎng)、壓力場(chǎng)、應(yīng)力場(chǎng)及其耦合特點(diǎn)。在研究思路、研究方法與技術(shù)手段上都取得重要突破,深層構(gòu)造地質(zhì)學(xué)逐漸完善;仡櫄v史,對(duì)比中外,我國(guó)盆地深層的構(gòu)造學(xué)研究在基礎(chǔ)理論與實(shí)際需求方面仍有較大差距,需要在盆地發(fā)育的構(gòu)造環(huán)境、深部背景、形成演化過(guò)程以及地質(zhì)結(jié)構(gòu)方面進(jìn)行深入探索,在活動(dòng)論構(gòu)造-古地理、三維構(gòu)造復(fù)原、巖石流變分析與四維動(dòng)態(tài)模擬方面取得實(shí)質(zhì)性突破。通過(guò)大力培養(yǎng)創(chuàng)新人才、選準(zhǔn)研究突破方向、提升技術(shù)儲(chǔ)備與開(kāi)展扎實(shí)基礎(chǔ)工作,可望取得深層構(gòu)造地質(zhì)學(xué)的戰(zhàn)略突破。
[Abstract]:The study of the tectonic geology of the deep layer of the basin is a comprehensive study of the material composition, geological structure and formation and evolution process of the deep part of the basin using modern earth system scientific theory and geophysics, geochemistry and geology, and discusses the resources. Tectonic control law of energy mineral distribution. The sedimentary basins in China are mostly superimposed basins. The prototype of the deep layer of the superimposed basin and its tectonic-paleogeographic evolution, construction and transformation are dynamic processes. The controlling effect of tectonic evolution on oil and gas accumulation conditions is the core of petroleum tectonists in China. After more than half a century of hard work, Chinese scholars have made important progress in this field, established four basic types of superimposed basins, such as Foreland type, depression type, fault type and strike-slip type, and studied their geological structure in depth. The prototype basin restoration and tectonic-paleogeographic reconstruction are carried out, and the basin-mountain coupling relationship and its controlling effect on the deep structure of the basin are discussed. By analyzing the multi-stage superimposed structure of the deep layer of the basin, the 3-D structural modeling is carried out, and the characteristics of temperature field, pressure field, stress field and their coupling in the deep layer of the basin are studied. Important breakthroughs have been made in research ideas, research methods and technical means, and deep tectonic geology has been gradually improved. Looking back on the history and comparing with other countries, there is still a big gap between the basic theory and the actual demand in the study of the deep tectonics of the basin in China, which needs to be found in the tectonic environment and the deep background of the basin. The formation and evolution process as well as geological structure have been deeply explored and a substantial breakthrough has been made in the active tectonic-paleogeography, three-dimensional structural restoration, rock rheological analysis and four-dimensional dynamic simulation. It is expected that the strategic breakthrough in deep tectonics can be achieved by vigorously cultivating innovative talents, selecting the research breakthrough direction, improving the technical reserve and carrying out solid basic work.
【作者單位】: 中國(guó)地質(zhì)大學(xué)(北京)能源學(xué)院;中國(guó)石油勘探開(kāi)發(fā)研究院;中國(guó)地質(zhì)大學(xué)(北京)地球科學(xué)與資源學(xué)院;
【基金】:國(guó)家自然科學(xué)基金重點(diǎn)項(xiàng)目(41430316,40739906)、面上項(xiàng)目(41272237)
【分類(lèi)號(hào)】:P548
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