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皖南庐江-枞阳多金属矿集区反射地震剖面的速度结构

文章导航 > 地质通报 > 2011 > 30(09): 1412-1417

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卢占武1,2,高 锐1,2, 匡朝阳3,刘金凯1,2,3,酆少英1,2,4,王海燕1,2,侯贺晟1,2. 皖南庐江-枞阳多金属矿集区反射地震剖面的速度结构[J]. 地质通报, 2011, 30(09): 1412-1417.
引用本文: 卢占武1,2,高 锐1,2, 匡朝阳3,刘金凯1,2,3,酆少英1,2,4,王海燕1,2,侯贺晟1,2. 皖南庐江-枞阳多金属矿集区反射地震剖面的速度结构[J]. 地质通报, 2011, 30(09): 1412-1417.
shu
LU Zhan-wu1,2, GAO Rui1,2, KUANG Chao-yang3, LIU Jin-kai1,2,3,FENG Shao-ying1,2,4, WANG Hai-yan1,2, HOU He-sheng1,2. Reflective seismic wave velocity structure in the Lujiang-Zongyang polymetallic ore concentration belt, southern Anhui Province[J]. Geological Bulletin of China, 2011, 30(09): 1412-1417.
Citation: LU Zhan-wu1,2, GAO Rui1,2, KUANG Chao-yang3, LIU Jin-kai1,2,3,FENG Shao-ying1,2,4, WANG Hai-yan1,2, HOU He-sheng1,2. Reflective seismic wave velocity structure in the Lujiang-Zongyang polymetallic ore concentration belt, southern Anhui Province[J]. Geological Bulletin of China, 2011, 30(09): 1412-1417.
shu

皖南庐江-枞阳多金属矿集区反射地震剖面的速度结构

  • 1. 中国地质科学院地质研究所,北京 100037;2. 中国地质科学院深部探测与地球动力学重点实验室,北京 100037;3. 中国石化股份有限公司华东分公司处理解释中心,江苏 南京 210007;4. 中国地震局地球物理勘探中心,河南 郑州 450002

Reflective seismic wave velocity structure in the Lujiang-Zongyang polymetallic ore concentration belt, southern Anhui Province

  • 1. Institute of Geology, CAGS, Beijing 100037, China;2. Earthprobe and Geodynamics Open Laboratory of CAGS, Beijing 100037, China;3. Data Processing & Interpretation Center, Hua-Dong Petroleum Bureau, SINOPEC , Nanjing 210007, Jiangsu, China;4. Geophysical Exploration Center of CEA, Zhengzhou 450002, Henan, China

    摘要
  • 利用反射地震剖面处理过程中获取的叠加速度得到庐枞(庐江-枞阳)矿集区地壳浅部的速度结构剖面,为研究庐枞矿集区近地表-上地壳的结构提供了新依据。地震剖面综合研究表明:郯庐断裂、罗河-缺口断裂、长江断裂是庐枞地区的3条重要的断裂,断裂深部均表现为低速异常。罗河-缺口断裂、长江断裂的发育深度和规模均不及郯庐断裂。火山岩出露地区表现为地震波速高和反射波组凌乱的特征;新生代沉积地层则表现为波速低和反射波组连续的地球物理特征。罗河矿区位于强、弱反射转换区,同时也是低、高速体的转换区。
    The velocity section computed by processing reflection seismic data can provide new image of the structure from the surface to the upper crust in the Luzong (Lujiang-Zongyang) polymetallic ore concentration belt. Studies show that Tanlu fault, Luohe-Quekou fault and Changjiang fault are main faults in this area, showing relatively low velocity characteristics. Tanlu fault is deeper and larger than other faults. Seismic wave velocity becomes faster in volcanic rocks with disorderly reflection, but becomes slower with continuous reflection in Cenozoic sedimentary basement. The Luohe ore district is located in a transfer zone between strong and weak reflection and between high and low velocity.
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出版历程
刊出日期:  2011-09-15

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