Study on Sampling Methods for 1:50000 Stream Sediment Geochemical Survey in the Gobi Desert Landscape Area of Shuangkoushan, Dachaidan, Qinghai Province

XU Yong-li; ZHENG You-ye; XU Guang-dong; XU Meng-meng; ZHANG Xiao-peng; WANG Yong-kai; XU Rong-ke

2012 Vol. 45, No. 1

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XU Yong-li, ZHENG You-ye, XU Guang-dong, XU Meng-meng, ZHANG Xiao-peng, WANG Yong-kai, XU Rong-ke. Study on Sampling Methods for 1:50000 Stream Sediment Geochemical Survey in the Gobi Desert Landscape Area of Shuangkoushan, Dachaidan, Qinghai Province[J]. Northwestern Geology, 2012, 45(1): 307-316.

Citation:

Study on Sampling Methods for 1:50000 Stream Sediment Geochemical Survey in the Gobi Desert Landscape Area of Shuangkoushan, Dachaidan, Qinghai Province

1.
The Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China
2.
The Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China;State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Wuhan 430074, China;School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
3.
School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
4.
Institute of Geological Survey, China University of Geosciences, Wuhan 430074, China

Received Date: 21 July 2011

Revised Date: 26 October 2011

Publish Date: 15 March 2012

Abstract

Abstract

The Shuangkoushan area of Dachaidan in Qinghai Province is one of arid desert and gobi landscape areas,with the typical climatical characteristics of continental desert.Mainly relying on the project "Qinghai Luliangshan-Shuangkou Shan Mining Vision Survey",we carried out the effective method tests about theoptimum sampling grain size and sampling density to regional geochemical in arid desert and gobi landscape area.Through field sampling,laboratory analysis and data processing,we determined the sampling methods of 1:50000 stream sediment survey for this special landscape area.The reasonable sampling density is 6-8 samples per square kilometer,and the reasonable sampling grain size is-20-+60 mesh.
- Shuangkoushan /
- gobi desert special landscape area /
- stream sediment survey /
- sampling density sampling grain size /