Journal of Natural Resources, Volume. 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
Fig. 1. Location of Tongwan city and distribution of sample bore holes
Fig. 2. Sandy deposit sediments with different colors in Tongwan city
Fig. 3. Comparison of grain composition between the 6 profiles in Tongwan city and its neighboring deserts
Fig. 4. Granularity content of deposit sediments accumulated on the 6 profiles in Tongwan city
Fig. 6. Energy spectrum analysis for clay spots in the brownish-yellow sand layer
Table 1. Content of grain size on 6 profiles in Tongwan city (%)
View tableView in ArticleTable 1. Content of grain size on 6 profiles in Tongwan city (%)
钻孔
编号黏粒 细粉砂 粗粉砂 极细砂 细砂 中砂 粗砂 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 2. Goethite content in the brownish-yellow sand layer in Tongwan city (%)
View tableView in ArticleTable 2. Goethite content in the brownish-yellow sand layer 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 3. Chemical components of the fine sand and clay spots in the brownish-yellow sand layer in Tongwan city (%)
View tableView in ArticleTable 3. Chemical components of the fine sand and clay spots 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
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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
Received: Apr. 11, 2019
Accepted: --
Published Online: Oct. 17, 2020
The Author Email: Jing-bo ZHAO (zhaojb@snnu.edu.cn)
