安徽省嘉山-巢湖地区的区域地质构造稳定性
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摘要
文章利用遥感解译资料,结合研究区活动断裂构造现今构造应力场、地震资料、地貌特征、第四纪沉积厚度及温泉分布特征等的综合研究,根据地质构造稳定性分区的基本原则,进行了区域地质构造稳定性评价,将研究区划分为2个一级区,即活动区和相对活动区;4个二级带,即泗县-五河-蚌埠活动带(Ⅰ1)、嘉山-肥东活动带(Ⅰ2)、来安-滁州-巢湖比较活动带(Ⅱ1)、长丰-肥西比较稳定带(Ⅱ2),这对该区的国民经济发展和建设有着重要的意义。
Based on remote sensing images,current structural stress fields of active faults, earthquake data, geomorphological features, thickness of Quaternary sediment and distribution of hot springs,the regional geological structural stability of Jiashan-Chaohu area in Anhui Province is evaluated according to the main principles of structural stability zoning. The structural stability zones outlined are as follows: Sixian-Wuhe-Bengbu active zone(_1), Jiashan-Feidong active zone(_2), Laian-Chuzhou-Chaohu more active zone (_1) and Changfeng-Feixi more stable zone(_2).The study result is very important for economic construction and development of the area.
Based on remote sensing images,current structural stress fields of active faults, earthquake data, geomorphological features, thickness of Quaternary sediment and distribution of hot springs,the regional geological structural stability of Jiashan-Chaohu area in Anhui Province is evaluated according to the main principles of structural stability zoning. The structural stability zones outlined are as follows: Sixian-Wuhe-Bengbu active zone(_1), Jiashan-Feidong active zone(_2), Laian-Chuzhou-Chaohu more active zone (_1) and Changfeng-Feixi more stable zone(_2).The study result is very important for economic construction and development of the area.
引文
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[2]牛漫兰,朱光,刘国生,等.郯庐断裂带中南段中生代岩浆活动的构造背景与深部过程[J].地质科学,2002,37(4):393-404.
[3] N iu M L, Zhu G, L iu G S, et a l. C orrelation stud ies of rareearth elem en ts in syn tecton ic in trusions of strike-slip stagea long sou thern segm en t of T an-Lu fau lt zone[J]. Journa l ofR are E arths,2005,23(1):108-111.
[4]国家地震局.中国地震烈度区划图[M ].北京:地震出版社,1990.
[5]安徽省地质矿产局.安徽区域地质志[M ].北京:地质出版社,1987.
[6]汤有标,姚大全.郯庐断裂带赤山段晚更新世以来的活动性[J].中国地震,1990,6(2):63-69.
[7]汤有标,姚大全.郯庐断裂南段新活动性的初步研究[J].地震研究,1990,13(2):155-165.
[8] T ang Y B, C ao D N. A prelim inary study on presen t tec-ton ic stress field in the sou theast part of north Ch ina and itsv icin ity prin ted in G reat B rita in [ J ]. Phys Chem E arth,1989,(1):219-226.
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