FRACTAL ANALYSIS OF THE TEMPORAL-SPATIAL DISTRIBUTION OF CRETACEOUS MINERAL DEPOSITS IN CHINA

SHEN Wei

Volume 14 Issue 1

Mar. 2008

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SHEN Wei, 2008. FRACTAL ANALYSIS OF THE TEMPORAL-SPATIAL DISTRIBUTION OF CRETACEOUS MINERAL DEPOSITS IN CHINA. Journal of Geomechanics, 14 (1): 57-64.

Citation:

SHEN Wei, 2008. FRACTAL ANALYSIS OF THE TEMPORAL-SPATIAL DISTRIBUTION OF CRETACEOUS MINERAL DEPOSITS IN CHINA. Journal of Geomechanics, 14 (1): 57-64.

Citation:

SHEN Wei, 2008. FRACTAL ANALYSIS OF THE TEMPORAL-SPATIAL DISTRIBUTION OF CRETACEOUS MINERAL DEPOSITS IN CHINA. Journal of Geomechanics, 14 (1): 57-64.

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FRACTAL ANALYSIS OF THE TEMPORAL-SPATIAL DISTRIBUTION OF CRETACEOUS MINERAL DEPOSITS IN CHINA

SHEN Wei

Laboratory of Resources Environment and Management, StateKey Laboratory of Geo-Processes and Mineral Resources, Key Laboratory of Lithosphere Tectonics and Lithoprobing Technology of Ministry of Education, China University of Geosciences, Xueyuan Road 29, Beijing, 100083, China

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Received: 2006-10-31
Published: 2008-03-01

Abstract

Abstract

The concepts of fractals are used in the Earth sciences to depict the self-similar characteristics of geological variables and geologic bodies. The fractal model often provides powerful tools for characterizing the basic spatial distribution structure of geological variables and bodies. Many geological phenomena are scale invariant. Examples include frequency-size distributions of rock fragments, faults, earthquakes, volcanic eruption, mineral deposits and oil fields. Cretaceous ore deposits in China are la rgely distributed in six important mineral deposit-concentration regions, i. e. Northeast China, PaleoYinshan-Yanshan, Paleo-Qinling-Dabieshan, Yangtze platform and Southeast coastal region; whereas few deposits of Cretaceous age are known in Northwest China and Southwest China. Some important deposits have been discovered in eastern China. The distribution of Cretaceous deposits in China has the following fractal characteristics:in terms of time, they were concentrated in the Early Cretaceous, and in terms of space, they are mainly located in Northeast and Southeast China. Take for example Cretaceous gold deposits of China, the authors constructed a fractal model of the spatial distribution of gold deposits and predicted the number of gold deposits. The method is applicable not only to gold deposits but also to other ore deposits; so it has universal significance.
- fractal,
- self-similarity,
- Cretaceous deposit,
- mineral deposit-centralization region

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References(34)

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