Journal of Southeast Asian earth sciences最新文献

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Significance of Wollastonite- and Scapolite-bearing assemblages from the Kerala Khondalite belt, southern India 印度南部喀拉拉邦孔达利岩带含硅灰石和角长石组合的意义
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(97)88152-4
M. Satish-Kumar
{"title":"Significance of Wollastonite- and Scapolite-bearing assemblages from the Kerala Khondalite belt, southern India","authors":"M. Satish-Kumar","doi":"10.1016/S0743-9547(97)88152-4","DOIUrl":"10.1016/S0743-9547(97)88152-4","url":null,"abstract":"","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages XI-XII"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(97)88152-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56218575","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Preliminary geochronological results of a suite of granulites from Eastern Ghats, India 印度东高止山脉一套麻粒岩的初步年代测定结果
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(97)88153-6
R.K. Shaw , M. Arima , H. Kagami
{"title":"Preliminary geochronological results of a suite of granulites from Eastern Ghats, India","authors":"R.K. Shaw , M. Arima , H. Kagami","doi":"10.1016/S0743-9547(97)88153-6","DOIUrl":"10.1016/S0743-9547(97)88153-6","url":null,"abstract":"","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages XII-XIII"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(97)88153-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56218637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Fourth IGCP 348 field meeting in Northern Ethiopia and Eritrea 在埃塞俄比亚北部和厄立特里亚举行的IGCP 348第四次实地会议
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(97)88162-7
R.J. Thomas
{"title":"Fourth IGCP 348 field meeting in Northern Ethiopia and Eritrea","authors":"R.J. Thomas","doi":"10.1016/S0743-9547(97)88162-7","DOIUrl":"https://doi.org/10.1016/S0743-9547(97)88162-7","url":null,"abstract":"","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages XIX-XXII"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(97)88162-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72122759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neodymium model ages and isotopic signature of the Precambrian mobile belts of peninsular India: Japan-Russia joint research project No. 1 印度半岛前寒武纪活动带的钕模式年龄和同位素特征:日俄联合研究项目1
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(97)88157-3
V. Kovach
{"title":"Neodymium model ages and isotopic signature of the Precambrian mobile belts of peninsular India: Japan-Russia joint research project No. 1","authors":"V. Kovach","doi":"10.1016/S0743-9547(97)88157-3","DOIUrl":"https://doi.org/10.1016/S0743-9547(97)88157-3","url":null,"abstract":"","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Page XVI"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(97)88157-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72044697","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermal histories of Tertiary sediments in western central Sumatra, Indonesia 印度尼西亚苏门答腊岛中部西部第三纪沉积物的热历史
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(96)00071-2
Steve J. Moss , Andy Carter
{"title":"Thermal histories of Tertiary sediments in western central Sumatra, Indonesia","authors":"Steve J. Moss ,&nbsp;Andy Carter","doi":"10.1016/S0743-9547(96)00071-2","DOIUrl":"10.1016/S0743-9547(96)00071-2","url":null,"abstract":"<div><p>Apatite fission-track and organic maturity data from the central region of Sumatra suggest that Tertiary sediments exposed in the Ombilin Basin, in the northern and western margins of the South Sumatra Basin, have low to medium thermal maturities (Ro-average 0.39–0.50%). Apatite fission-track central ages and length data indicate that, at most, low levels of track annealing have occurred and the sediments have only experienced temperatures lower than 120°C. Many samples show a strong component of inherited tracks. In the Ombilin Basin we suggest that the western Talawi sub-basin was not as deeply buried as the eastern Sinamar sub-basin, and probably never received any Miocene sediments. The apatite fission-track age of one basement granite along an intra-basement high, and forward modelling of fission-track length data from the basin, tentatively suggest that cooling (?and uplift) of the western Talawi sub-basin occurred in the late Oligocene to early Miocene. The cause of the sub-division of the basin is ascribed to strike-slip tectonics. Late Eocene rocks exposed along the northern and western margins of the South Sumatra Basin, in the present-day back-arc area, are undermature. Similarly aged and younger rocks in the subsurface of the Central and South Sumatra Basins are reported to be mature/overmature. This suggests that the areas of outcrop studied were not part of the main Paleogene-Neogene graben system that was subsequently inverted. Rather the studied areas have only experienced shallow burial depths and are likely to represent marginal, rift shoulder, areas of sedimentation surrounding areas of deep rift sedimentation.</p></div>","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages 351-371"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(96)00071-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56214558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Lead-210 and plutonium fallout in Taiwan as recorded at a subalpine lake 台湾亚高山湖泊记录的铅-210和钚沉降物
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(96)00072-4
Chih-An Huh , Keng-Sheng Chu , Ching-Ling Wei , Ping-Mei Liew
{"title":"Lead-210 and plutonium fallout in Taiwan as recorded at a subalpine lake","authors":"Chih-An Huh ,&nbsp;Keng-Sheng Chu ,&nbsp;Ching-Ling Wei ,&nbsp;Ping-Mei Liew","doi":"10.1016/S0743-9547(96)00072-4","DOIUrl":"10.1016/S0743-9547(96)00072-4","url":null,"abstract":"<div><p>A sediment core collected from the Sun Moon Lake in middle Taiwan was investigated for <sup>210</sup>Pb and <sup>239,240</sup>Pu. Based on the decrease of excess <sup>210</sup>Pb with depth, the mean sedimentation rate in the lake during the past half century is about 0.9 cm yr<sup>−1</sup>, which is unequivocally supported by the appearance of the 1963 plutonium fallout maximum at 26–28 cm. The short-term sedimentation rate is one order of magnitude greater than <sup>14</sup>C-based long-term sedimentation rates in the lake reported previously. This may be attributed to the deterioration of soil conservation associated with the construction of a dam five decades ago.</p><p>Total downcore inventories of excess <sup>210</sup>Pb and <sup>239,240</sup>Pu are 54.5 dpm cm<sup>−2</sup> and 0.21 dpm cm<sup>−2</sup>, respectively. This <sup>210</sup>Pb inventory requires a flux of 1.7 dpm cm<sup>−2</sup> yr<sup>−1</sup> at steady state, which is similar to <sup>210</sup>Pb fluxes observed at other sites in the western Pacific rim. The inventory of <sup>239,240</sup>Pu is in excellent agreement with documented cumulative <sup>239,240</sup>Pu from global fallout (0.96 ± 0.07 mCi km<sup>−2</sup>) at the 20–30°N latitudinal band. Our data suggest that the Sun Moon Lake is an ideal setting for monitoring atmospheric fallout and environmental changes in this region.</p></div>","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages 373-376"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(96)00072-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56214588","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Variation in forearc basin development along the Sunda Arc, Indonesia 印度尼西亚巽他弧前盆地发育的变化
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(96)00068-2
W. van der Werff
{"title":"Variation in forearc basin development along the Sunda Arc, Indonesia","authors":"W. van der Werff","doi":"10.1016/S0743-9547(96)00068-2","DOIUrl":"10.1016/S0743-9547(96)00068-2","url":null,"abstract":"<div><p>The present forearc basin configuration along the Sunda Arc initially appears to have been controlled by extension and differential subsidence of basement blocks in response to the late Eocene collision of India with Asia. The late Oligocene increase in convergence between the South-east Asian and Indian Plates associated with a new pulse of subduction, resulted in basement uplift and the formation of a regional unconformity that can be recognized along the entire Sunda Arc. From the early to late Miocene, the Sumba and Savu forearc sectors along the eastern Sunda Arc may have been characterized by forearc extension.</p><p>Submarine fan deposition on the arcward side of the evolving accretionary prism represents the first phase in forearc basin deposition. These fans were subsequently covered by basin and slope sediments derived from the evolving magmatic arc.</p><p>Structural response to increased late Miocene compression varied along strike of the Sunda Arc. North of Bali, Lombok and Sumbawa, the incipient collision between Australia and the western Banda Arc caused back-arc thrusting and basin inversion. Towards the south of Java, an increase in both the size of the accretionary prism and convergence rates resulted in uplift and large scale folding of the outer forearc basin strata. Along the west coast of Sumatra, increased compression resulted in uplift along the inner side of the forearc along older transcurrent faults. Uplift of West Sumatra was followed by the deposition of a westward prograding sequence of terrigenous sediments that resulted in the development of a broad shelf.</p><p>Initial forearc basin subsidence relates to the age of the subducting oceanic lithosphere, on top of which the basin is situated. Along the western Sunda Arc, both fexural loading of the evolving accretionary prism, and across arc strike-slip faulting represent additional factors that result in forearc subsidence.</p></div>","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages 331-349"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(96)00068-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56214493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 30
Marine Jurassic lithostratigraphy of Thailand 泰国海相侏罗纪岩石地层学
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(96)00073-6
A. Meesook , J.A. Grant-Mackie
{"title":"Marine Jurassic lithostratigraphy of Thailand","authors":"A. Meesook ,&nbsp;J.A. Grant-Mackie","doi":"10.1016/S0743-9547(96)00073-6","DOIUrl":"10.1016/S0743-9547(96)00073-6","url":null,"abstract":"<div><p>Marine Jurassic rocks of Thailand are well-exposed in the Mae Sot and Umphang areas and less extensively near Mae Hong Son, Kanchanaburi, Chumphon and Nakhon Si Thammarat, in the north, west, and south respectively. They are generally underlain unconformably by Triassic and overlain by Quaternary strata. Based mainly on five measured sections, fourteen new lithostratigraphic units are established: (in ascending order) Pa Lan, Mai Hung and Kong Mu Formations of the Huai Pong Group in the Mae Hong Son area; Khun Huai, Doi Yot and Pha De Formations of the Hua Fai Group in the Mae Sot area; Klo Tho, Ta Sue Kho, Pu Khloe Khi and Lu Kloc Tu Formations of the Umphang Group in the Umphang area; and the Khao Lak Formation in the Chumphon area. Mudstone, siltstone, sandstone, limestone and marl are the dominant lithologies. Mudstones, siltstones and sandstones are widespread; limestones are confined to the Mae Sot, Umphang, Kanchanaburi and Mae Hong Son areas; marls are found only in Mae Sot. The sequences are approximately 900 m thick in Mae Sot and 450 m thick in Umphang and are rather thinner in the other areas, particularly in the south. Based on ammonites, with additional data from bivalves and foraminifera, the marine Jurassic is largely Toarcian-Aalenian plus some Bajocian. Late Jurassic ages given previously for strata in the Mae Sot and Umphang areas have not been confirmed.</p></div>","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages 377-391"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(96)00073-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56214625","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Collision tectonics of the Wanni and Highland complexes in Sri Lanka 斯里兰卡瓦尼和高地杂岩的碰撞构造
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(97)88155-X
Y. Tani
{"title":"Collision tectonics of the Wanni and Highland complexes in Sri Lanka","authors":"Y. Tani","doi":"10.1016/S0743-9547(97)88155-X","DOIUrl":"https://doi.org/10.1016/S0743-9547(97)88155-X","url":null,"abstract":"","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages XIV-XV"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(97)88155-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72049591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
India and Antarctica during the Precambrian and granulite and crustal processes in East Gondwana 前寒武纪的印度和南极洲以及冈瓦纳大陆东部的麻粒岩和地壳过程
Journal of Southeast Asian earth sciences Pub Date : 1996-12-01 DOI: 10.1016/S0743-9547(97)88160-3
R.S. Divi
{"title":"India and Antarctica during the Precambrian and granulite and crustal processes in East Gondwana","authors":"R.S. Divi","doi":"10.1016/S0743-9547(97)88160-3","DOIUrl":"https://doi.org/10.1016/S0743-9547(97)88160-3","url":null,"abstract":"","PeriodicalId":85022,"journal":{"name":"Journal of Southeast Asian earth sciences","volume":"14 5","pages":"Pages XVII-XIX"},"PeriodicalIF":0.0,"publicationDate":"1996-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0743-9547(97)88160-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72115778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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