Causes of surface sediments and natural environment of Tongwan city in Jingbian county of Shaanxi province during its construction period

Xiao-gang HUANG; Jing-bo ZHAO; Yan-dong MA; Da-peng YUE; Xiao-qing LUO

doi:10.31497/zrzyxb.20200620

Journals >Journal of Natural Resources >Volume 35 >Issue 6 >Page 1499 > Article

Journal of Natural Resources
Vol. 35, Issue 6, 1499 (2020)

Causes of surface sediments and natural environment of Tongwan city in Jingbian county of Shaanxi province during its construction period

Xiao-gang HUANG^1、2, Jing-bo ZHAO^2、3、*, Yan-dong MA², Da-peng YUE², and Xiao-qing LUO²

Author Affiliations

¹College of Geographical Sciences, Shanxi Normal University, Linfen 041004, Shanxi, China

²School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China

³Key Laboratory of Aerosol Chemistry and Physics, Institute of Earth Environment, CAS, Xi'an 710061, China

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DOI: 10.31497/zrzyxb.20200620 Cite this Article

Xiao-gang HUANG, Jing-bo ZHAO, Yan-dong MA, Da-peng YUE, Xiao-qing LUO. Causes of surface sediments and natural environment of Tongwan city in Jingbian county of Shaanxi province during its construction period[J]. Journal of Natural Resources, 2020, 35(6): 1499 Copy Citation Text

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Fig. 1. Location of Tongwan city and distribution of sample bore holes

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Fig. 2. Sandy deposit sediments with different colors in Tongwan city

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Fig. 3. Comparison of grain composition between the 6 profiles in Tongwan city and its neighboring deserts

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Fig. 4. Granularity content of deposit sediments accumulated on the 6 profiles in Tongwan city

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Fig. 5. Granularity content on the 6 profiles in Tongwan city

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Fig. 6. Energy spectrum analysis for clay spots in the brownish-yellow sand layer

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钻孔编号	黏粒		细粉砂		粗粉砂		极细砂		细砂		中砂		粗砂
钻孔编号	范围	平均	范围	平均	范围	平均	范围	平均	范围	平均	范围	平均	范围	平均
TW1	0~14.2	1.6	0~11.5	1.3	0~52.3	6.8	2.7~32.7	10.8	0~73.6	50.9	0~40.5	21.5	0~30.5	7.3
TW3	2.3~10.8	5.7	1.8~5.3	3.2	6.7~23.2	13.2	1~7.2	3.4	0~25.4	8.8	0~28.5	5.7	5.1~85.8	59.9
TW4	0~1.3	0.1	0~0.9	0.1	0~5.4	1.0	0~16.2	5.7	17.7~53.2	37.3	5.3~44.1	19.9	3.8~57.4	35.9
TW6	0~1.3	0.1	0~0.7	0.0	0~6.3	0.6	0.2~18.5	2.8	9.1~53.2	27.5	6.8~33.6	24.4	1.5~63.6	44.4
TW7	0~2.2	0.4	0~1.4	0.9	0~10.2	2.9	0.3~27.3	9.4	16.7~59.3	44.8	5.5~49.8	24.3	0~56.4	18.2
TW8	0~2.5	0.3	0~1.3	0.1	0~7.9	1.1	0~19.0	3.6	25.3~52.3	35.0	11.3~25.4	19.7	33.5~55.6	40.2

Table 1. Content of grain size on 6 profiles in Tongwan city (%)

样品号	TW1-1	TW1-2	TW3-1	TW3-2	TW4-1	TW7-1
含量	2	3	4	2	2	3

Table 2. Goethite content in the brownish-yellow sand layer in Tongwan city (%)

样品号	SiO₂	Al₂O₃	Fe₂O₃	CaO	K₂O	Na₂O	MgO	CO₂
TW1-a	37.14	14.89	18.64	0.96	1.71	0.58	2.12	23.65
TW1-b	39.15	14.95	16.13	0.78	1.74	0.63	2.38	23.85
TW3-a	30.40	10.70	14.74	6.23	1.37	0.72	2.55	33.14
TW4-a	38.37	13.94	17.85	0.83	1.62	0.64	2.32	24.59
TW4-b	29.28	10.37	12.85	6.28	1.28	0.78	2.22	36.78

Table 3. Chemical components of the fine sand and clay spots in the brownish-yellow sand layer in Tongwan city (%)

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