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1
題名:CLAY MINERALS DISTRIBUTION IN THE SEA-BOTTOM SEDIMENTS NEIGHBOURING TAIWAN ISLAND AND NORTHERN SOUTH CHINA SEA    
粘土礦物在臺灣近海及南海北部沈積物中之分佈
著者:Pei-Yuan Chen(陳培源)
出版地區:台灣
出版城市:台北市
學科:地球科學
刊名:Science Reports of the National Taiwan University ACTA Oceanographica Taiwanica
卷期:3期(1973.12)
頁碼:25-64
語言:英語
摘要: 中文摘要PDF ; 英文摘要PDF

本文?利用X-光繞射儀與電子顯微鏡研究採自臺灣近海及南海北部之海底沈積物中之黏上成分。分析結果顯示:依黏土礦物之分佈與組合情形,可將所研究之海域分?二黏土礦物區或岩相區。在北面自東海以至臺灣海峽間之廣大陸棚地帶,黏土礦物之分佈均甚均同一律。一般含伊來石60~65%,綠泥石20~26%,高嶺石4~8%,滑潤石及交錯層黏土<10%。但在陸棚緣線以外之深水底之沈積物中則含滑潤石較多,且其含量自臺東外海向南往南海區而增加,以在臺灣與呂宋之間深海槽中之含量?最高(達25%),故南海與臺灣東部海洋連成另一黏土礦物區。在北區之黏土礦物之來源主出於大陸及臺灣各河川所排出碎屑性沈積物,由來於黃土高原之黃河負荷物尤佔重要。南海區之滑潤石量之增加則與該區火山灰或基性岩之黏土化有關。 就海洋黏土之沈積作用而言,各處海底之黏土礦物種類之多寡與組合情形以及各黏土礦物組之分佈組形,當主受岩源區之性質(如緯度位置、地形、岩性及黏土成分等)之控制,但沈積場所之各種環境條件則可決定黏土粒子之擴散與就沈積之物理化學情況以及擴散之範圍。
A total of 118 samples of sea-bottom sediments were analyzed by X-ray diffraction method and electron microscopy for their clay mineral composition. These samples include both dredged and cored sediments from the north of Taiwan to the northern part of the South China Sea, between Lat. 27° to 18°N. A brief discussion on the quantitative X-ray determinations of clay minerals in sediments is presented. Over the investigated region two clay-mineral provinces can be divided, one is the illite-chlorite-dominant suite that distributes over the continental shelf from the East China Sea to the south of Taiwan Strait. It is generally composed of 60-65% illite, 20-26% chlorite, 4-10% kaolinite and less than 10% smectite and mixed-layer clays. This province is bounded by shelf-break line. Clays occur in the deep-water side to the east of the shelf-break line though are somewhat similar in mineral constituents to the former province are more rich in smectite. The content of smectite generally increases from the sea off eastern Taiwan to the South China Sea. A maximum smectite content (about 25% in total) was found in Taiwan-Luzon trough. The clay-minerals in these sediments are essentially of land-derived origin from mainland China and Taiwan. Their fine, suspended particles have been widely dispersed and well mixed in the epi-continental sea by the motions of sea water. The origin of smectite in the South China Sea province may be derived from either the altered glassy volcanic sediment in the sea or from the argillization of basic rock in the adjacent lands.


    

本卷期目次
Science Reports of the National Taiwan University ACTA Oceanographica Taiwanica 3期 (1973.12)
A TENTATIVE ANALYSIS OF WAVE DATA FOR DESIGN WAVE CRITERIA AROUND TAIWAIN/ C. L. Bretschneider
STRUCTURE OF EASTERN TAIWAN STRAIT/ Chao-Shing LeeChuen-Tien ShyuFong-Jung Leu
GEOMAGNETIC INTERPRETATION OF THE GEOLOGIC STRUCTURE IN THE NORTHEAST OFFSHORE REGION OF TAIWAN/ Cheng-Sung WangThomas W. C. Hilde
PRELIMINARY STUDY OF COLD WATER MASS NEAR N. N. E. OF TAIWAN/ Fuh Yin
PARASITES OF YELLOWFIN TUNA IN THE WATERS SOUTHWEST OFF TAIWAN/ Ching-Ju ChenRong-Tszong Yang
AGE AND GROWTH OF SKIPJACK TUNA IN THE WATERS AROUND THE SOUTHERN PART OF TAIWAN/ Kwong-San ChiRong-Tszong Yang
Morphometric and meristic studies on the Yellow Sea Bream (Dentex tumifrons) from the South and the East China Seas/ Mao-Sen SuShean-Ya YehHsi-Chiang Liu
EFFECTS OF RUBBISH HEAPS AROUND KEELUNG ON THE DISTRIBUTION OF PHYTOPLANKTON/ Young-Meng ChiangRang Huang
ECOLOGICAL AND MORPHOLOGICAL STUDY ON FISH-FAUNA FROM THE WATERS AROUND TAIWAN AND ITS ADJACENT ISLANDS--6.Study on the Plectognath Fishes.-a. The Family of Ostraciontoid Fishes, Ostraciontidae./ Shih-Chieh ShenPeng-Chee Lim
CLAY MINERALS DISTRIBUTION IN THE SEA-BOTTOM SEDIMENTS NEIGHBOURING TAIWAN ISLAND AND NORTHERN SOUTH CHINA SEA/ Pei-Yuan Chen
AN EXPERIMENTAL DEVICE FOR THE COMPARATIVE STUDY OF PLANKTONIC LARVAE UNDER IDENTICAL CONDITION/ T. S. Cheung
WATER POLLUTION OF KEELUNG-PATOUTZU COASTAL AREA/ Tsu-Chang HungYau-Yu Chiang
THE RESONANT PHENOMENON INDUCED BY TWO OSCILLATING DISKS IN ROTATING FLUID/ Chi-Yuan Lee
ELEMENTARY WAVE MODEL AND THE DEFINITION OF "FETCH AREA" IN WAVE PREDICTION/ Kuang-Liang Nai
CHEMICAL VARIATIONS OF PLANKTONIC FORAMINIFERS IN DEEP-SEA CORE V19-134, THE SOUTH CHINA SEA/ M. P. ChenJ. C. Chen
 
   
 
   

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