Process Mineralogy of Natural Quartz Sand Deposited by River and Lake Facies in Shaanxi Province

TANG Tengwang; GUAN Junfang; REN Zijie; GAO Huimin; LIU Menghao; SONG Yuhan

doi:10.13779/j.cnki.issn1001-0076.2023.02.016

2023 Vol. 43, No. 2

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Article navigation > Conservation and Utilization of Mineral Resources > 2023 > 43(2): 106-111

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TANG Tengwang, GUAN Junfang, REN Zijie, GAO Huimin, LIU Menghao, SONG Yuhan. Process Mineralogy of Natural Quartz Sand Deposited by River and Lake Facies in Shaanxi Province[J]. Conservation and Utilization of Mineral Resources, 2023, 43(2): 106-111. doi: 10.13779/j.cnki.issn1001-0076.2023.02.016

Citation:

TANG Tengwang, GUAN Junfang, REN Zijie, GAO Huimin, LIU Menghao, SONG Yuhan. Process Mineralogy of Natural Quartz Sand Deposited by River and Lake Facies in Shaanxi Province[J]. Conservation and Utilization of Mineral Resources, 2023, 43(2): 106-111. doi: 10.13779/j.cnki.issn1001-0076.2023.02.016

Process Mineralogy of Natural Quartz Sand Deposited by River and Lake Facies in Shaanxi Province

1.
School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
2.
Hubei Key Laboratory of Mineral Resources Processing and Environment, Wuhan 430070, Hubei, China

More Information

Corresponding author: REN Zijie, renzijie@whut.edu.cn

Received Date: 28 November 2022

Publish Date: 25 April 2023

Abstract

Abstract

Taking the natural quartz sand of a river and lake deposit in Shaanxi as the research object, the quartz sand was systematically studied by modern testing techniques such as XRD, XRF, EPMA and optical microscope. The results showed that the SiO₂ content of the quartz sand after desilting was 84.54%, and the impurity elements were mainly Al, K, Na, Fe, etc. The minerals were mainly quartz, and the gangue minerals were albite, potassium feldspar, sericite and hematite. Under the polarizing microscope, the sand particles could be mainly divided into lithic sand particles and quartz and other mineral monomer sand particles. The monomer mineral sand particles accounted for 70%, and the lithic sand particles accounted for 30%. Debris sand could be further divided into quartzite debris, flint debris, mica quartz schist debris, quartz sandstone debris, phyllite debris; the monomeric mineral sand particles were mainly quartz, with a small amount of feldspar type. The crushing rate ( stress 28 MPa ) of fine sand after scrubbing classification was 8.5%, with the average sphericity 0.72, the average roundness 0.68, and the turbidity 30.25 FTU, which met the standard of proppant for petroleum industry.
- natural quartz sand /
- quartz /
- process mineralogy /
- oil fracturing /
- feldspar

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References

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