x

geotectonic

uploads/geotectonic.jpg

geotectonic adj.大地構造的。adv.-ally

adj. 大地構造的。 adv. -ally “geotectonic component“ 中文翻譯：   大地構造組成“geotectonic cycle“ 中文翻譯：   大地構造旋回; 造山旋回“geotectonic evolution“ 中文翻譯：   大地構造演化“geotectonic framework“ 中文翻譯：   大地構造構架“geotectonic geology“ 中文翻譯：   大地構造地質學。 “geotectonic line“ 中文翻譯：   大地構造線“geotectonic map“ 中文翻譯：   大地構造圖“geotectonic movement“ 中文翻譯：   地殼構造運動“geotectonic principle“ 中文翻譯：   大地構造原理“geotectonic process“ 中文翻譯：   大地構造作用“geotectonic subsidence“ 中文翻譯：   大地構造沉降; 大地構造下陷“geotectonic system“ 中文翻譯：   大地構造體系“geotectonic unit“ 中文翻譯：   大地構造單位“geotectonic valley“ 中文翻譯：   大地構造谷“geotectonic areal division“ 中文翻譯：   大地構造分區“geotectology“ 中文翻譯：   大地測量學; 大地構造學; 大地結構造學“geotectogenesis“ 中文翻譯：   大地構造成因; 大地構造作用“geotectogene“ 中文翻譯：   沉降帶; 構造槽; 深拗槽; 坳陷帶; 拗陷帶“geotectocline“ 中文翻譯：   大地槽；大向斜；厚地槽; 大地構造槽; 地槽沉積“geotechnology“ 中文翻譯：   地工技術; 地質工藝學；地下資源開發工程學; 工藝地質學; 巖土工程學

To calculate this boundary parameter , mohorovicic discontinuity palaeo - heat flow value during basin evolution process is identified through geotectonic background analogy method based on “ peeling “ method model , and the basin basement palaeo - heat flow is calculated through inversion from today to antiquity with current tectonic structure as constraint condition for palaeo - crustal architecture analogy 為了求取這個邊界參數，以“剝層”法模型為基礎，通過大地構造背景類比法確定盆地演化過程中莫霍面古熱流值，以現今地殼結構為約束條件類比古地殼結構，從今至古反演求取了盆地基底的古熱流。

In this paper , based on former researching works and regional geologic background analysis , we studied the distribution law of copper and geotectonic metallogenic characteristics of the ore deposit , and forecasted copper enrichment trend from copper deposit geologic characteristics “ view , aiming at full understanding the metallogenic characteristics of dongxiang copper deposit 本文針對東鄉銅礦成礦特點，結合前人工作成果，在對區域地質背景分析的基礎上，從銅礦地質特征著手，對銅元素分布規律、銅礦構造成礦特征及富礦預測進行深入剖析。

geotectonic geology

Throughout researching it has been found that three main types of copper deposits , which mafic - ultramafic rock , marine volcanic rock and porphyry , with middle proterozoic , paleozoic and mesozoic in gansu , china . the cu - bearing formation , deep major faults and late structural - magmatic zones formed in specific geotectonic setting are main ore - controlling and metallogenic factors for copper , gold and polymetallic minerals in this area , and their convergent positions are effective ones formed ore bodies in space 通過研究認為：鎂鐵質-超鎂鐵質巖型、海相火山巖型及斑巖型三種銅礦類型，是甘肅的主要銅成礦類型，其主成礦階段為中元古代、古生代以及中生代；特定大地構造背景下形成的含礦建造、區域性深大斷裂以及后期斜向構造-巖漿活動帶，是該區銅、金及多金屬成礦的主要控礦因素，三者在空間上的復合是礦床體形成的有利部位。

The results indicate that these parameters in profile change closely with geotectonic cycles as follows : sulfur , colloid and asphaltene contents keep the lowest values in devonian , triassic , jurassic and tertiary ; they are in accordance with regressive geotectonic phases , of which the maximum values appear to be correspond to the largest - scale marine transgressions occurred in caledonian cycle , hercynian cycle and middle phase of alpine cycle 指出，這些石油參數在剖面上的變化與大地構造旋回有密切關系：硫，膠質和瀝青質的含量在泥盆紀、三疊紀、侏羅紀和新近紀為最低值，它們與海退構造階段相一致；石油化學成分最大值與加里東旋回、海西旋回和阿爾卑斯旋回中期的最大海侵相一致。

As results of mix of deep mantle - source materials and shallow metallogenic materials , and tectonic movement of south unit and north unit , dongxiang copper deposit become a multi - metal deposit especially enriching cu , together with fe , w , s , ag , au , bi , cs and te etc . . 2 . ore - forming of copper deposit has much to do with the geotectonic of deposit area 深部的幔源物質與淺部的成礦物質混合，南北兩大構造單元各自的成礦特征又在此集中體現，使東鄉銅礦成為一個以銅為主，伴生鐵、鎢、硫、銀、金、鉍、銫、碲等元素的多金屬礦床； 2

To calculate this boundary parameter , mohorovicic discontinuity palaeo - heat flow value during basin evolution process is identified through geotectonic background analogy method based on “ peeling “ method model , and the basin basement palaeo - heat flow is calculated through inversion from today to antiquity with current tectonic structure as constraint condition for palaeo - crustal architecture analogy 為了求取這個邊界參數，以“剝層”法模型為基礎，通過大地構造背景類比法確定盆地演化過程中莫霍面古熱流值，以現今地殼結構為約束條件類比古地殼結構，從今至古反演求取了盆地基底的古熱流。

Based on extensively gathering and sysmatically analyzing much geophysics , sedimentary , structure and petrological materials in research field and taking two field geological explorations from south to north in western odors basin margin , the paper studied large numbers of seismic sections and newly - finished profiles in former seismic blanked area of western margin as well as up - to - date gravity and magmatic fruits , put views on the regional geotectonic background and basin - mountain coupling and made through research on the structure features and attribute together with the result of fission track testing 筆者廣泛收集和系統分析了研究區大量的地球物理、沉積、構造和巖石學等資料，對盆地西緣自南而北進行了兩次野外地質實際調查，在此基礎上，重點研究了大量地震剖面和在西緣地震勘探空白區新完成的地震剖面及新近重磁電研究成果，結合裂變徑跡等測試分析資料，從區域地球動力學背景和盆山耦合的思路入手，對鄂爾多斯盆地西緣的構造特征及其屬性進行了詳細解剖。

For river networks , its growth subjects are notably influenced by climate , geotectonic movement , and mankind actions . and its character certainly reflects the different conditions of geotectonic movement . statistical analysis of some characters of the river networks including the river direction s , the geometric fractal of main river s and the river network density s in jiaodong peninsula showed that the river networks respond obviously to the neotectonic movement . the area is mainly divided into the west part and the east part by taocun - dongdoushan fault during neotectonic movement 水系的發育受氣候構造運動和人類活動的顯著影響，構造運動狀況的差異必然反映在水系特征上。通過對膠東半島水系的展布方向水系分形諸水系特征的統計分析，揭示出水系受新構造運動有較明顯的響應，桃村東陡山斷裂是本地區東西部新構造上的主要分界。

More and more evidences suggest that the fold basement of yangtze block is an integral part of the grenville - aged orogen . the yanbian group , which resulted from post - grenville orogen , outcrops in the panzhihua area , sichuan province . hence , the studies on the geological features and geotectonic implications of the yanbian group can provide some clues to refine the position of yangtze block in rodinia 揚子陸塊在rodinia中的位置是近幾年來的熱點問題，愈來愈多的證據顯示它的褶皺基底是grenville期造山帶的重要組成部分，鹽邊群是揚子陸塊褶皺基底的組成部分，研究它的地質特征和大地構造屬性，可以為研究揚子陸塊在rodinia中的位置提供重要的地質線索。

According to the characteristics of strata , tectonization and magmatism within the research area in the southwest margin of north china paleocontinent , and under the ideological guidance of mobilism and systematology , the geotectonic framework of the area could be divided as follows : ( 1 ) the longshoushan mountains continental margin ; ( 2 ) the hexi corridor back - arc basin ; ( 3 ) the northern qilianshan mountains suture zone ; ( 4 ) the central qilianshan mountains dispersion type island arc terrane ; ( 5 ) the southern qilianshan mountains back - arc basin ; ( 6 ) the qaidam massif 根據本區地層、構造、巖漿作用特點，在“系統論” 、 “活動論”思想指導下，厘定華北古大陸西南邊緣的構造格局如下：龍首山陸緣帶、河西走廊弧后盆地、北祁連縫合帶、中祁連離散型島弧地體、南祁連弧后盆地、柴達木地塊。

Lithosphere delamination is an important way for compositional and structural evolution of collisional orogens . geotectonic research , geophysical survey and geochemical analysis have revealed that the lithosphere of east qinling - dabie mountains had delaminated intensively in mesozoic . however , the extensive mesozoic metamorphism and magmatism have been weakly related to lithosphere delamination 構造地質研究地球物理探測和地球化學分析等都已揭示東秦嶺-大別造山帶曾在中生代發生巖石圈拆沉，但有關中生代變質作用和巖漿活動與巖石圈拆沉的內在聯系研究卻較為薄弱。

Initial in - situ stress field is a complex system interacted by varied factors , and contains interrelating different components such as gravity and structural action , topography and geomorphologic situations , fault and crack geotectonic structures , and geo - mechanical parameters and so on 初始地應力場是一個受多種因素相互作用與影響的復雜系統。該系統包含相互聯系的不同組織部分，如自重、構造運動作用，地形、地勢等地貌情況，斷層、裂隙等地質構造，地質力學參數等。

In this paper , based on former researching works and regional geologic background analysis , we studied the distribution law of copper and geotectonic metallogenic characteristics of the ore deposit , and forecasted copper enrichment trend from copper deposit geologic characteristics “ view , aiming at full understanding the metallogenic characteristics of dongxiang copper deposit 本文針對東鄉銅礦成礦特點，結合前人工作成果，在對區域地質背景分析的基礎上，從銅礦地質特征著手，對銅元素分布規律、銅礦構造成礦特征及富礦預測進行深入剖析。

Jiyang depression is a field where nonhydrocarbon is rich . these resources have close relation with the activities of the volcanos . at the same time , the activities of volcanos have deep contact with the activities of the faults . the growth of the faults in jiyang depression is great . by the research of the index number of the faults growth and the other researches , nw direction faults are the most ones in mesozoic , nw and ne and approximately ew directions all exist in cenozoic . the above reflects the whole geotectonic background that sinistral shearing stress field exists in mesozoic , but dextral shearing stress field exists in cenozoic 這些氣藏與火山活動有密切的成生關系，同時火山活動與斷裂活動也有密切的關系。濟陽坳陷內斷裂活動極為發育，通過斷層生長指數等的分析，推斷中生代斷裂以北西向為主，新生代則兼有北西向北東向和近東西向的斷裂，上述斷裂發育特征反映了該區的大地構造背景，在中生代是左旋的剪切應力場，在新生代則是右旋的剪切應力場。

The complexity of metallogenic mechanisms of dongxiang copper deposit have close relationship with it ' s geotectonic background . dongxiang copper deposit located in the transition zone between pingxiang - guangfeng deep faults and northeast jiangxi deep faults , and in the transition zone between cathaysia and jiangnan terrains 東鄉銅礦位于萍鄉?廣豐ew向深大斷裂與贛東北深斷裂的切交接部位，又恰好處于江南地體與華夏地體的銜接地帶。

At the course of subduction , collision and collage among the siberia , khazakstan and junggar blocks , the geotectonic environment underwent a few evolutional stages , they provided good congenital , parturient and postnatal conditions for the deposit 在西伯利亞、哈薩克斯坦準噶爾板塊多階段的俯沖、碰撞、拼合過程中，礦床所處的大地構造環境經歷了多個開合演化階段，為該礦床提供了良好的先天、臨產及后天條件。

Excavation of tunnel will lead to local geotectonic stress release and redistribution around tunnel ; the appearance of new outlet boundary will lead to outlet seepage of subsurface water and the change of mountain seepage field 隧洞開挖將引起局部地應力的釋放及洞周附近的地應力的重新分布；隧洞開挖后新的出水邊界的出現將導致地下水的大量出滲及山體滲流場的改變。

The studied deposit area is located on a monocline geotectonic unit divided by several groups of faults . therefore , the secondary widen transverse and lognitudinal drapes may have great influence on ore forming and location 礦區基本構造為一個被幾組斷裂破壞的單斜構造，其上發育的次一級的開闊型橫向和縱向褶皺對礦床的形成和空間定位起著十分重要的作用。

Tunnel construction is very difficult hi region with high geotectonic stress and high subsurface water pressure . few deep - lying tunnels are constructed in civil conveyance and hydropower engineering up to now 特別是對在高地應力、高地下水位區域的隧洞建設，其施工難度更大，在國內的水利水電工程建設中并不多見。