|本期目录/Table of Contents|

[1]弓小平,杨兴科,陈强,等.东天山觉罗塔格金矿带构造变形与成矿预测[J].地球科学与环境学报,2004,26(02):6-10.
　GONG Xiao-ping,YANG Xing-ke,CHEN Qiang,et al.Structure deformation and metallogenic prognosis of gold ore zone in Jueluotage of Eastern Tianshan[J].Journal of Earth Sciences and Environment,2004,26(02):6-10.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第26卷
期数:
2004年第02期
页码:
6-10
栏目:
出版日期:
2004-06-20

文章信息/Info

Title:
Structure deformation and metallogenic prognosis of gold ore zone in Jueluotage of Eastern Tianshan
作者:
弓小平1; 3; 杨兴科2; 陈强2; 李佐臣2
1.吉林大学综合信息矿产预测研究所,吉林长春130026;2.长安大学地球科学与国土 资源学院,陕西西安710054;3.新疆维吾尔自治区国土资源信息中心,新疆乌鲁木齐830000
Author(s):
GONG Xiao-ping 1; 3; YANG Xing-ke 2; CHEN Qiang 2; LI Zuo-chen 2
1.Institute ofthe Integrated Information Minerals Predict,Jilin University,Changchun 130026, China;2.School of Earth Sciences and Resources Management,Chang′an University,Xi′an 710054, China;3.Information center ofLand Resources ofXinjiang Uygur Autonomou
关键词:
东天山; 康古尔塔格; 脆-韧性变形转换; 韧性剪切带; 成矿预测; 新疆
Keywords:
Eastern Tianshan; Kangg uertage ; brittleness-ductility deformational transform ; ductile shear zone ; metallogenic prognosis;  Xinjiang
分类号:
P613;P618.51
DOI:
-
文献标志码:
A
摘要:
东天山觉罗塔格金矿带构造变形特征明显,横向分带可分为3个变形子带,组构差异显示走向 分段韧性剪切带发展演化过程中相伴的脆韧性变形转换带较为普遍。脆韧性变形转换过程受多种动 力作用方式控制,造成多种变形方式同存互竞,常见微破裂、碎裂流和晶内滑移。有两种转换过程,宏观 上各圈层的变形连通和微观上主要地质体内的变形开合使脆韧性变形转换带内流体强烈对流,并富集 成矿。近年来在该区带发现的一系列金矿床点),约85%都分布于脆韧性变形转换带中,数值模拟显 示脆韧性变形带控制金矿床,其中的张性扩容构造控制金矿体。此已成为该区剪切变形带内控矿的重 要特征和普遍规律。
Abstract:
Feature of structure deformation is obvious in Jueluotage gold ore zone of Eastern Tianshan,its transverse belting divides into three deformation daughterbelts. Difference of fabric pattern show strike segmenting. Brittleness-ductility deformational trans- form zone is a widely spread during development and evolution of ductile shear zone. Brittle-ductile deformation transfer process is controlled by many kinds of dynamics function,which make the multi-deformation pattern coexi stence, that there are microbreak, cataclastic flow and intracrystal slip. There are two kinds of transformation processes, which one is deformation connecting on macroscopic during the various sphere and another one is deformation opening and closure in the main geologic body on microscopic make fluid strong circulation convection in the brittleness-ductility deformational transform zone, and enriching metallogenic. In recent years we have already found a series of gold ore deposits distributed at the brittleness-ductility deformational transform zone nearly 85% in this area, numerical simulation show the brittleness-ductility deformational transform zone controlled the gold ore deposit, and tensional dilatancy structure controlled gold orebody. This already became an important feature and universal laws of ore- control in the shear deformation zone in the area.

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备注/Memo

备注/Memo:
[收稿日期]2003-07-04
[基金项目]中国地质调查局项目19991020008023)
[作者简介]弓小平1963-),男,河南中牟人,高级工程师,长安大学博士研究生,现从事地质矿产预测与信息化研究工作。
更新日期/Last Update: 2004-06-20