Application research of high- resolution remote sensing date in the delineation of gold metallogenic potential areas in Shuidao area of Jiaodong Peninsula
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    Abstract:

    GF- 1 and ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) remote sensing data were used to extract ore- control information, identify ore- control structures, extract alteration information such as Al—hydroxyl, Mg—hydroxyl and iron stain anomalies for Shuidao area with serious coverage of Muping—Rushan gold metallogenic belt, and prospected ore- forming prospective areas combined with metallogenic geological conditions, then carry out field geological verification. Methods: GF- 1 and ASTER remote sensing data and field geological survey. Results: Remote sensing interpret 929 linear structures, 89 annular structures and 15 ductile shear zones; extract 26 hydroxyl anomalies and 10 iron stain anomalies; 12 prospective areas have been prospected. Conclusions: Gold deposits usually locate in the NNE faults, the edge of the annular structures and ductile shear zones. Iron stain anomalies located in the south and the north of the study area and not obvious relationship with mineralization. Al—hydroxyl and Mg—hydroxyl anomalies were distributed in the central of the study area, which were obviously related to the fault and annular structure. They were banded and arc- banded, which were presumed to be caused by alteration minerals in the fault zone, and many gold deposits were produced. The remote sensing anomalies of block or point distribution are presumed to be caused by intrusive rock. Combined with the regional gold metallogenic regularity and the obtained results, the gold metallogenic prediction is carried out, 12 prospective areas have been prospected, the field verification shows well effect.

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ZOU Jian, TANG Wenglong, WANG Fenghua, HU Feng, BO Junwei, WANG Zhixin, LIU Zhi, WEI Xufeng, LI Yong.2022. Application research of high- resolution remote sensing date in the delineation of gold metallogenic potential areas in Shuidao area of Jiaodong Peninsula[J]. Geological Review,68(5):2022092017.

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History
  • Received:February 27,2022
  • Revised:August 28,2022
  • Adopted:
  • Online: September 19,2022
  • Published: September 15,2022