Gravitational and Magnetic Fields of Nonferrous and Noble Metal Deposits (Spots) and Ore Exploration in the Dongxiang Area
详细信息
- 责任者：Ye Xiaohua （No.5 Geological Team ; Jiangxi Bureau of Nonferrous Metals Geo-exploration ; Jiujiang 332000 ; China）
- 刊名：Geology and Prospecting
- 出版年：2008
- 卷期：44(1)
- 关键词：重力异常 ; gravity anomalies ; 磁异常 ; magnetic anomalies ; 矿产勘查 ; prospecting and exploration of mineral ; 江西 ; Jiangxi
- 页码：p.70-74
- 图表：4 illus., 2 tables, 10 refs.
- 分类号：1600
- issnNo：ISSN0495-5331
- isbnNo：CN11-2043/P
摘要
Dongxiang area is located at intersection region of northeast Jiangxi fault and Xinjiang hidden deep fault, and spans two terrenes. In the area, nonferrous and noble metal deposits are mostly controlled by faults, and Saiyanguan diorite-porphyry is related with mineralization. There are differences of density between strata or rocks in and beside fault belts, and gravity gradient belts appear upon these areas. Great deals of aeromagnetic local anomalies are located over these gravity gradient belts and their variation, where a majority of known nonferrous and noble metal mines in whole area are distributed. Combining geological and geochemical information, mastery of distribution of gravitational and magnetic anomalies has an important significance in ore exploration and evaluation.