共查询到20条相似文献，搜索用时 31 毫秒
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Naotatsu Shikazono 《Resource Geology》2008,58(3):333-333
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Richard H. Sillitoe 《Journal of Geochemical Exploration》1996,56(3):279
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通过对南美洲28个主要含油气盆地石油地质特征的系统梳理,全面总结了南美洲的油气地质特征:①发育两个时代、两种类型的烃源岩;②储层类型单一,油气集中赋存在白垩系和古近系-新近系两个层系中;③发育4种成藏模式,即西缘前陆盆地发育陡坡短距离垂向运移成藏模式和缓坡长距离侧向运移成藏模式、东缘被动陆缘盆地发育盐上"断层+盐刺穿"运移成藏模式和盐下"烃源岩内浊积砂体+潜山"运移成藏模式;④油气分布平面上呈两带展布、两中心富集的规律。同时,以成藏组合为基础评价单元完成了南美地区资源评价。预测南美洲待发现可采资源量约为214 065MMBOE。主要集中分布在东缘海上被动陆缘盆地群和西缘陆上前陆盆地群两个领域。东委内瑞拉盆地、马拉开波盆地、桑托斯盆地和坎波斯盆地是预测资源量较大的4个盆地。 相似文献
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石门地区煤矿，主要为早二叠世栖霞早期煤层。全县共有７个赋煤区，本文对主要赋煤区的特征列表概要论述，并认为它属地台型含煤建造。指出３个“成煤带”的煤层均呈大透镜体产出，其间为无煤区。作者在煤矿资源预测中，对３个“成煤带”作了远景区划分，圈定与靶区预测，对石门地区的煤矿勘查和开发，具有指导意义。 相似文献
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Toshi MIZUTA 《Resource Geology》2011,61(3):311-311
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The Best Article Award 2014: The Best Article Award 2014 of the Society of Resource Geology was Presented to S. Watanabe and K. Hayashi,for the Following Paper: Mineralogy,sulfur isotope and fluid inclusion studies of hydrothermal ore at the Hakurei deposit,Bayonnaise knoll,Izu‐Bonin arc. Resource Geology, 64 (2), 77–90 
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下载免费PDF全文 《Resource Geology》2015,65(4):405-405
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Etsuo Uchida 《Resource Geology》2009,59(3):314-314
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位于法国比利牛斯山的Trimouns矿床是世界上最大的滑石-绿泥石矿床之一。对该矿床形成的条件及滑石和绿泥石矿石的含量已较清楚。它是由不同类型的岩石通过热液交代蚀变而形成的，主要包括白云岩蚀变为滑石为主的矿石和硅铝质岩石(云母片岩和伟晶岩)蚀变为绿泥石为主的矿石。滑石矿石显示片理化结构(滑石片岩)或压实块状结构(块滑石)。由伟晶岩蚀变而来的绿泥石矿石为呈绿色的球状矿体，而由云母片岩蚀变而来的绿泥石矿石呈块状或片理状、颜色为灰绿色和深灰色。本文对欧洲这个独一无二的滑石和绿泥石矿床的地质特征和成因进行了总结和讨论。流体包裹体研究表明成矿流体为高盐度(20to30％eq．wt％NaCl)、中温(320℃)、压为为2．5kbars。磷钇矿和独居石的U—Ph定年结果表明，成矿年代为112—97Ma，成矿作用可能持续了16Ma以上。 相似文献
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Syed Hamidullah 《地学前缘》2000,(Z1)
GEOLOGY AND MINERAL CHEMISTRY OF THE DEOSAI VOLCANICS, BALTISTAN, N. PAKISTAN 相似文献
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Charles S. Robinson 《Engineering Geology》1991,31(3-4):378-379
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Peter Doyle 《Geology Today》2014,30(5):183-191
The First World War started a hundred years ago this year. On 4 August 2014 the United Kingdom marked the anniversary of involvement in this war with a remembrance event at Mons, and over the next four years there will be new museums and exhibitions, services and events, conferences and colloquia world‐wide. The aim of this collective recognition of a major event in world history is to pick over the impact and effects, innovations and consequences of a war that claimed the lives of at least 16 million people and left the world with geopolitical issues that still reverberate today. One of its notable innovations was the use of geology in warfare. As is well known, compared with the open war fought against the Russians on the eastern front, the war in the west very quickly became positional, with opposing trench lines locked into a position that would dictate the war's approach. And with trench warfare, came the need to understand the geology of the land over which the men were fighting. 相似文献