BRECCIA

作品数：23被引量：40H指数：4
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Effect of dry–wet cycles on the mechanical properties and microscopic characteristics of fine breccia soil from karst areas被引量：1
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2024年第12期974-990,共17页Xin LI Hanqing CHEN Dong SU Xiangsheng CHEN Xiang SHEN 
supported by the National Natural Science Foundation of China(Nos.52108377 and 51938008);the Guangdong Basic and Applied Basic Research Foundation(No.2023A1515010060),China.
The quality of the railway subgrade is directly related to the fill soil structure,which,in turn,is determined by the local physical and chemical environment.A karst environment,with its frequent rainfall,promotes the...
关键词：Karst area Micro-macro properties Railway subgrade performance Dry-wet cycles 
Formation Mechanism of the Paleocene Basal Conglomerate,Southwest Tarim Basin
《Journal of Earth Science》2024年第5期1513-1526,共14页Yong Yue Jingchun Tian Chuanyan Huang 
supported by the Geological Survey Project(No.DD20190558)。
Most knowledge about the Cretaceous-Paleogene strata in the Tarim Basin is mainly inferred from the outcrops at the basin's margin,but first time in the basin.The formation mechanism of the Paleocene basal conglomerat...
关键词：South-Western Tarim Paleogene system BRECCIA Attribution and genesis petroleum geology 
Druse Calcite Crystals Formed by Mesoproterozoic Paleo-Earthquake Activity in the Northern Margin of the North China Craton
《Journal of Earth Science》2024年第2期514-524,共11页Yueshuang Du Zhiguang Zhou Guosheng Wang Chen Wu Wenchao Xu 
supported by the National Natural Science Foundation of China(Nos.41772227,41872232);supported by the Inner Mongolia Mapping Programs(Nos.1212010811001,1212011120700,DD20160045,1212010510506)awarded to Zhiguang Zhou and administered by the Institute of Geological Survey,China University of Geosciences(Beijing).
The Meso-neoproterozoic Bayan Obo rift is located along the northern margin of the North China Craton,and was associated with the break-up of the Columbia supercontinent.During rift evolution,syn-sedimentary deformati...
关键词：North China Craton druse calcite crystals paleo-earthquake activity collapse breccia Bayan Obo rift PROTEROZOIC 
Triaxial mechanical properties and precursors of instability damage in rocks with different laminar dip angles
《Journal of Mountain Science》2024年第2期648-661,共14页SUN Xiaoming SHI Fukun DING Jiaxu TAO Zhigang HE Linsen YANG Liu ZHANG Yong MIAO Chengyu 
funded by the National Natural Science Foundation of China(Grant Nos.52174096,42277174).
To investigate the mechanical failure characteristics of volcanic breccia with different bedding dip angles in deep layers,triaxial compression experiments were conducted on specimens taken from volcanic rock layers i...
关键词：Volcanic breccia Bedding dip Acoustic emission Fractal dimension Harbinger of destruction 
KREEP-rich breccia in Chang'E-5 regolith and its implications被引量：1
《Science China Earth Sciences》2023年第11期2473-2486,共14页Aoxin MEI Yun JIANG Shiyong LIAO Jinting KANG Fang HUANG Weibiao HSU 
funded by the National Key Research and Development Program of China(Grant No.2021YFA0716100);the National Natural Science Foundation of China(Grant Nos.41973060,42173044,42241146 and 42273007);the Strategic Priority Research Program of Chinese Academy of Sciences(Grant No.XDB 41000000);the preresearch Project on Civil Aerospace Technologies(Grant Nos.D020202 and D020302);the Key Research Program of the Chinese Academy of Sciences(Grant No.ZDBS-SSW-JSC007)。
Lunar breccias provide crucial insights into the lithological diversity,shock processing and evolution of the lunar crust.Here,we report a unique regolith breccia(CE5C0000YJYX070GP,hereafter CE5C)returned from the Cha...
关键词：Chang'E-5 Regolith breccia Impact glasses KREEP Mare basalts 
Genesis of lacustrine carbonate breccia and its significance for hydrocarbon exploration in Yingxi region, Qaidam Basin, NW China
《Petroleum Exploration and Development》2019年第1期104-112,共9页WANG Yanqing LIU Zhanguo SONG Guangyong ZHANG Yongshu ZHU Chao LI Senming WANG Peng TANG Pengcheng 
Supported by the China National Science and Technology Major Project(2017ZX05001-002,2016ZX05046-006)
To examine the reservoir type and distribution regularity of high-and stable-yield lacustrine carbonates in the upper Member of Paleogene Xiaganchaigou Formation of Yingxi region and to determine the high-efficiency h...
关键词：Qaidam Basin Yingxi REGION LACUSTRINE CARBONATE CARBONATE BRECCIA reservoir origin PALEOGENE 
Iron Speciation of Mud Breccia from the Dushanzi Mud Volcano in the Xinjiang Uygur Autonomous Region,NW China被引量：1
《Acta Geologica Sinica(English Edition)》2018年第6期2201-2213,共13页XU Wang ZHENG Guodong MA Xiangxian Danielle FORTIN David R.HILTON LIANG Shouyun CHEN Zhi HU Guoyi 
partially supported by the National Science and Technology Major Project of the Ministry of Science and Technology of China(2016ZX05007001-004);the National Natural Science Foundation of China(41273112;41402129;41020124002;41402298);CAS"Light of West China"Program and Chinese Academy of Sciences Visiting Professorship for Senior International Scientists(2015VEA032)
Organic-inorganic interactions occurring in petroleum-related mud volcanoes can help predict the chemical processes that are responsible for methane emissions to the atmosphere. Seven samples of mud breccia directly e...
关键词：mud volcano mud breccias iron species organic-inorganic interactions greenhouse gas 
Breccia-cored columnar rosettes in a rubbly pahoehoe lava flow,Elephanta Island,Deccan Traps,and a model for their origin
《Geoscience Frontiers》2017年第6期1299-1309,共11页Hetu Sheth Ishita Pal Vanit Patel Hrishikesh Samant Joseph D'Souza 
Rubbly pahoehoe lava flows are abundant in many continental flood basalts including the Deccan Traps.However,structures with radial joint columns surrounding cores of flow-top breccia(FTB),reported from some Deccan ru...
关键词：Rubbly pahoehoe COLUMNAR JOINTING Flow-top BRECCIA VOLCANISM Flood BASALT DECCAN Traps 
A New Chronological Report of the Hongshi Breccia-Host Gold Deposit in the Western Qinling Region,China被引量：1
《Acta Geologica Sinica(English Edition)》2017年第3期1149-1150,共2页WANG Chenguang CAO Yi SUN Tao LI Weigang ZENG Hao 
financially supported by the National Natural Science Foundation of China(grants No. 41573036 and 41030423);the Xiangtanzi Gold Deposit Prospecting Program of the Zhaojin Mining Industry Company Limited(3-4-2016-061)
Objective The western Qinling belongs to the western part of the Qinling-Dabie-Sulu orogen between the North China Block and South China Block. Multiple orogenic events might be responsible for different types of gold...
关键词：of is as Gold A New Chronological Report of the Hongshi Breccia-Host Gold Deposit in the Western Qinling Region China in 
Origin of the Furongian limestone breccias in the North China Platform被引量：3
《Science China Earth Sciences》2015年第5期770-775,共6页CHEN JiTao 
supported by the National Research Foundation of Korea(Grant No.2008-0093871);the National Natural Science Foundation of China(Grant Nos.41302077,41290260)
Limestone breccias are a common phenomenon in the Cambrian successions worldwide. They bear important geological im- plications that have attracted geologists for several decades. There are, however, still controversi...
关键词：limestone breccia fiat-pebble conglomerate soft-sediment deformation early diagenesis Cambrian 
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