Using regional geochemical survey data to trace anomalous samples through geochemical genes: The Tieshanlong tungsten deposit area (Southeastern China) case study

Gong, Qingjie; Liu, Ningqiang; Wu, Xuan; Yan, Taotao; Tieshuan, Fan; Li, Xiaolei; Liu, Mengxiang; Li, Ruikun; Albanese, Stefano

doi:10.1016/j.gexplo.2020.106637

Cited by 13 publications

(16 citation statements)

References 39 publications

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“…The LOI values are the highest in the semi-weathered layer, indicating the highest degree of chemical weathering [124,125]. The geochemical gene is a method for characterizing rock characteristics based on the elemental abundance data of acidic rock, intermediate rock, and basic rock in China, and the content variation trend of 11 immobile elements during weathering [82][83][84]. The stability of immobile elements allows weathered rocks to retain the elemental characteristics of their fresh parent rocks, and the trend of content changes between them can be transmitted from parent rocks to weathered products, which is similar to genetic inheritance in biology.…”

Section: Effect Of Chemical Weathering On the Weathering Granite 421 ...mentioning

confidence: 99%

“…The Nd element has low solubility in water and is not affected by transport and diagenetic processes [79], so the 143 Nd/ 144 Nd ratio is a reliable indicator of geochemical processes, which can provide powerful constraints for regional weathering environment evolution [80,81]. The geochemical gene is an elemental geochemical tracing method that has been proposed in recent years [82][83][84]. The elemental content is arranged in a certain order according to the difference in the elemental composition of different rocks, and on this basis, the elemental content is assigned a code (0, 1, 2) in the order of rising, flat, or falling.…”

Section: Introductionmentioning

confidence: 99%

“…The elemental content is arranged in a certain order according to the difference in the elemental composition of different rocks, and on this basis, the elemental content is assigned a code (0, 1, 2) in the order of rising, flat, or falling. By calculating the similarity of genes between the parent rock and weathering products, the inheritance of the weathering products relative to the parent rock can be determined [82][83][84].…”

Section: Introductionmentioning

confidence: 99%

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Characteristics and Influencing Factors of the Granite Weathering Profile: A Case Study of a High Latitude Area in Northeastern China

Liu,

Chi,

Xie

et al. 2023

Minerals

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Rock weathering, an important geological process on the earth’s surface, plays a key role in shaping surface morphology, providing nutrients needed by the ecosystem, and regulating the global climate. However, the regimes for controlling rock weathering in different regions are still controversial. In this respect, the heavy minerals, elements, Sr-Nd isotope, magnetic susceptibility, and chromaticity of the granite weathering profile in Harbin, a high latitude area of China, were analyzed for understanding the weathering characteristics and mechanisms of the granite weathering profile in the cold area. The results indicate that the profile underwent strengthened physical weathering (large volumes of cracks in the granite parent rock) and low–moderate chemical weathering (CIA = 56~68). However, the chemical weathering does not clearly affect the composition of the weathering products, making the weathering products a good inheritance from the parent rocks, as evidenced by the binary diagram (e.g., TiO2-Zr, and La/Sc-Co/Th) and geochemical genes (LG01 and LG03). The development process of the weathering profile has been affected by the input of external materials and biological activities, as evidenced by the Sr-Nd isotopic composition, Th/Zr values, chemical depletion fractions, ΔAl/Ti ratios, χfd%, and geochemical genes (LG03). Notably, a progressively decreasing weathering degree with a reduced depth is observed in the profile, which is likely to be related to an addition of external materials and/or effects of biological activities. In addition, the weathering regime of the profile does not vary in geology time, characterized by a kinetic-limited weathering regime with a limited supply.

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Section: Effect Of Chemical Weathering On the Weathering Granite 421 ...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Characteristics and Influencing Factors of the Granite Weathering Profile: A Case Study of a High Latitude Area in Northeastern China

Liu,

Chi,

Xie

et al. 2023

Minerals

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“…Here, the similar morphology is determined by the micro dynamic mechanism. To a certain extent, it can be approximately considered as a geochemical gene [4][5][6][7][8][9], just as genes determine biological characteristics.…”

Section: Introductionmentioning

confidence: 99%

“…2023, 13, 2049 2 of 10 dynamic mechanism. To a certain extent, it can be approximately considered as a geochemical gene [4][5][6][7][8][9], just as genes determine biological characteristics. Since the fractal term was creatively proposed by mathematician Mandelbrot in 1967 [10][11][12], with the gradual growth, maturity, and development of fractal itself, it has been cited by many disciplines and departments, and, at the same time, shows the vitality of fractal application in various disciplines.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Mechanism of Dendrite Formation in Zhoukoudian, China

Liu

et al. 2023

Applied Sciences

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Dendrite, a typical geological pattern, is developed along the bedding plane in limestone and dolomite strata in Jinzigou area, Zhoukoudian, Beijing, China, with a self-similar dendritic morphology. In order to reveal the dynamic mechanism of its formation, the diffusion-limited aggregation method, a model of fractal growth, was selected to simulate the microscopic dynamic mechanism of its formation. Take an L × L square lattice, with L = 200 lattices, 20,000 particles, and L = 250 lattices, 30,000 particles, for simulation. Obtain the simulation results of the dendritic pattern and the intermediate results with 8057 and 10,827 random particles released in the simulation process with 20,000 particles. The results show that the pattern is a typical fractal pattern formed in the process of fractal growth, with a fractal dimension of about 1.6. Its morphology is characterized by fractal geometry, and the dynamic mechanism of its formation is the fractal growth phenomenon generated by self-organizing criticality. The growth process is a nonlinear and non-equilibrium evolutionary process, which is dynamic and far from equilibrium. It is consistent with the fractal dimension of Zhoukoudian dendrite (1.52–1.78). Diffusion-limited aggregation (DLA) is a typical growth process in fractal growth. It leads to the growth of randomly branching structures that closely resemble various important systems in the earth sciences, providing a theoretical basis for revealing the nature of complex geological processes.

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Test and application of the geochemical lithogene on weathering profiles developed over granitic and basaltic rocks in China

Gong

et al. 2021

Applied Geochemistry

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Using regional geochemical survey data to trace anomalous samples through geochemical genes: The Tieshanlong tungsten deposit area (Southeastern China) case study

Cited by 13 publications

References 39 publications

Characteristics and Influencing Factors of the Granite Weathering Profile: A Case Study of a High Latitude Area in Northeastern China

Characteristics and Influencing Factors of the Granite Weathering Profile: A Case Study of a High Latitude Area in Northeastern China

Dynamic Mechanism of Dendrite Formation in Zhoukoudian, China

Test and application of the geochemical lithogene on weathering profiles developed over granitic and basaltic rocks in China

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