|Table of Contents|

Ring Structure in South Ordos Basin and Its Geologic Genesis(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2006年第03期
Page:
37-41
Research Field:
Publishing date:

Info

Title:
Ring Structure in South Ordos Basin and Its Geologic Genesis
Author(s):
YANG Feng-jieWANG Ming-zhenLI Zeng-xueDAI Guang-kaiJIA Wei-hua
School of Earth Sciences, Shandong University of Science and Technology, Qingdao 266510, Shandong, China
Keywords:
Ordos basin remote sensing circular feature ring structure geophysics
PACS:
P627
DOI:
-
Abstract:
Through processing the CBERS and ETM+ satellite image, a ring structure which is about to 300 km in diameter was found in the southern Ordos basin. The center of the ring approximately locates at Donghuachi in the east of Gansu province. From the point of view of topography, the main body of the ring is plus-topography, except for the southeastern part of the ring. There are four energy source mineral deposits in the ring conforma- tion. The Xifeng oil field occurs in the western part of the ring structure, a large Mesozoic coalfield in the central- eastern, and uranium deposits both in southeastern and northwestern. It is testified that the ring has close corre- lation with deep-seated structure and dominated by the mantle plume in the deep of the earth through the compre- hensive study of physical geography and natural earthquake. It is the result of the united effects of the orogenic activities during Mesozoic to Cenozoic period(Indo-China movement, Yanshan movement, Himalayan movement). It acts as the interior power to the coexistence of multi-energy sources in the same basin. This cognition has a very important value to study mechanism of the formation of the craton basin and guide geological exploration.

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Last Update: 2006-09-20