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題名:OBLIQUE CONVERGENCE BETWEEN TRENCH-ARC SYSTEM AND CONTINENT-IMPLICATIONS FOR THE FORMATION OF THE SUBMARINE PHYSIOGRAPHY OFF SOUTHERN TAIWAN    
海溝-島弧系統與大陸間的斜向聚合-臺灣南部海域地形成因的含意
著者:Ho-Shing Yu(俞何興) ;Gwo-Shyh Song(宋國士)
出版地區:台灣
出版城市:台北市
學科:地球科學
刊名:ACTA Oceanographica Taiwanica
卷期:32期(1994.5)
頁碼:45-53
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

馬尼拉海溝-呂宋島弧系統的的北端與歐亞大陸邊緣受連續碰撞作用而變形,碰撞在5百萬年前開始,由北而南推進,速率約為9厘米/年。與此東西向擠壓力有關的褶皺,逆斷層及山前沉積使得亞洲大陸邊緣形成山脊(臺灣),其南部向海裡延伸。臺灣南部海域其海床呈現著數個明顯的南北方向相間的海脊及海槽。 約在5百萬年前,馬尼拉海溝的北端,逐步地被沉積物充填,由北而南,海溝被填滿,抬昇而擠壓成今日的變形前緣,深埋在臺灣西部。馬尼拉增積體及歐亞大陸邊緣同時變形成為中央山脈及其南延海下的恒春海脊。北呂宋海槽的北端受擠壓形成縱谷,可能為菲律賓海及歐亞大陸板塊的界限。陸上縱谷向海南延為南縱海槽,花東海脊及臺東海槽,此三個海槽及海脊在北緯21度合併成單一的北呂宋海槽。過去的3百萬年內,綠島-蘭嶼海脊北面的火山島嶼與變形的歐亞大陸邊緣碰撞,產生了臺灣東部的海岸山脈及利吉混雜岩。
The northern Manila Trench-Luzon Arc system and the juxtaposed Asian continental margin were successively deformed by collision which began at about 5 Ma ago and has been propagating southward at a rate of about 9 cm/year. As a consequence, folding, thrusting and orogenic sedimentation related to the east-west compressive stress have deformed the Asian continental margin and the trench-arc system into the mountain range (Taiwan) which plunges southward into the sea. Off southern Taiwan the sea floor features several prominent alternating N-S trending linear ridges and troughs. Beginning about 5 Ma, the northern tip of the Manila Trench has been progressively filled, closed and uplifted from north to south and compressed into the deformation front buried west of Taiwan. The northern portion of the Manila accretionary prism together with the Asian continental margin were deformed into the Central Range and its southern extension of the submarine Hengchun Ridge which ends at about 21°N. The northern segment of the forearc basin of the North Luzon Trough was deformed into the Longitudinal Valley, serving as the boundary between the Eurasian and Philippine Sea plates. The southern extension of the Longitudinal valley is represented by the Southern Longitudinal Trough, Huatung Ridge and Taitung Trough which merge together as the North Luzon Trough south of 21°N. During the last 3 Ma, the volcanic islands north of Lutao-Lanhsu Ridge then collided with the accreted Asian continental margin, resulting in the formation of the Coastal Range, and the Lichi melange accreted into eastern Taiwan.


    

本卷期目次
ACTA Oceanographica Taiwanica 32期 (1994.5)
A TWO-DIMENSIONAL DEPTH INTEGRATED NUMERICAL MODEL FOR TIDAL FLOW IN THE ARABIAN GULF/ Khawaja Zafar ElahiRafi Ahmad Ashrafi
A STUDY ON DESIGN WAVE DETERMINATION IN TAIWAN/ Nai-Kuang LiangHai-Quan PengMing-Kuang Hsu
THE DISTRIBUTION OF CARBON, NITROGEN AND SULFUR IN SURFICIAL SEDIMENTS ON THE CONTINENTAL SHELF AND SLOPE IN NORTHERN SOUTH CHINA SEA/ Zir-Lyang LaiKon-Kee Liu
OBLIQUE CONVERGENCE BETWEEN TRENCH-ARC SYSTEM AND CONTINENT-IMPLICATIONS FOR THE FORMATION OF THE SUBMARINE PHYSIOGRAPHY OFF SOUTHERN TAIWAN/ Ho-Shing YuGwo-Shyh Song
HALOPHILIC THERMOPHILIC BACTERIA WITHOUT ORGANIC GROWTH FACTOR REQUIREMENTS/ Wung Yang ShiehWen Dar Jean
STUDY ON THE AGE AND GROWTH OF CHEROOTFISH (DECAPTERUS MACROSOMA Bleeker 1855) IN THE NANWAN BAY REGION, SOUTHERN TAIWAN/ Eing-Ping Chang-LaiShean-Ya YehTrong-Der Treng
沉積物烯酮類含量及其Uk37指標在古海洋學上之應用:分析方法與實例/ 陳明助許德惇
臺灣西部海岸沉積物重金屬之分佈與特徵/ 黃國書林曉武
 
   
 
   

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