Journal of Desert Research ›› 2023, Vol. 43 ›› Issue (1): 222-233.DOI: 10.7522/j.issn.1000-694X.2022.00154
Siyue Zhang(), Jiyan Li(
), Yaoyao Zhang, Dehua Xu
Received:
2022-10-17
Revised:
2022-11-27
Online:
2023-01-20
Published:
2023-01-17
Contact:
Jiyan Li
CLC Number:
Siyue Zhang, Jiyan Li, Yaoyao Zhang, Dehua Xu. Geochemical characteristics and implications of sediments in the piedmont of southwestern Qaidam Basin, China[J]. Journal of Desert Research, 2023, 43(1): 222-233.
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URL: http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2022.00154
样品编号 | 位置 | 海拔/m | 样品编号 | 位置 | 海拔/m |
---|---|---|---|---|---|
GB1 | 36°49′17″N、93°20′03″E | 2 923.0 | QD3 | 37°47′05″N、91°07′40″E | 3 179.4 |
GB2 | 36°51′41″N、93°02′21″E | 2 961.4 | QD4 | 37°48′28″N、91°10′15″E | 3 182.8 |
GB3 | 36°52′24″N、92°59′11″E | 2 994.4 | QD5 | 37°56′31″N、91°13′58″E | 2 960.5 |
GB4 | 37°08′46″N、92°26′06″E | 3 028.6 | QD6 | 37°00′07″N、92°45′25″E | 3 018.3 |
GB5 | 37°16′45″N、92°27′22″E | 2 917.0 | QD7 | 37°32′38″N、91°53′45″E | 3 106.8 |
GB6 | 37°15′51″N、92°21′03″E | 3 009.1 | QD8 | 36°49′19″N、93°01′51″E | 3 040.1 |
GB7 | 37°19′38″N、92°04′31″E | 3 293.1 | QD9 | 36°47′49″N、93°16′01″E | 2 969.2 |
GB8 | 37°36′24″N、91°57′57″E | 3 006.9 | QD10 | 36°47′49″N、93°16′01″E | 2 969.2 |
GB9 | 37°33′25″N、91°54′02″E | 3 077.9 | QD11 | 37°37′11″N、91°33′50″E | 3 206.9 |
GB10 | 37°32′47″N、91°54′01″E | 3 089.8 | QD12 | 36°55′30″N、92°54′57″E | 2 987.0 |
GB11 | 37°47′02″N、91°07′24″E | 3 178.3 | QD13 | 37°08′20″N、92°20′49″E | 3 130.2 |
GB12 | 37°48′38″N、91°10′30″E | 3 169.8 | QD14 | 37°33′10″N、91°55′30″E | 3 097.0 |
GB13 | 37°56′33″N、91°14′03″E | 2 952.7 | QD15 | 37°48′39″N、91°10′31″E | 3 166.9 |
GB14 | 37°47′09″N、91°41′52″E | 2 934.0 | R1 | 36°49′30″N、93°20′29″E | 2 914.5 |
GB15 | 37°37′11″N、91°33′46″E | 3 208.8 | R2 | 36°50′12″N、93°02′45″E | 2 987.4 |
QJD1 | 37°32′38″N、91°53′45″E | 3 108.5 | R3 | 36°52′44″N、92°58′21″E | 2 996.2 |
QJD2 | 36°55′30″N、92°54′57″E | 2 987.0 | R4 | 37°21′21″N、92°02′05″E | 3 300.7 |
QJD3 | 37°08′20″N、92°20′49″E | 3 130.2 | R5 | 37°48′39″N、91°10′40″E | 3 139.3 |
QJD4 | 37°33′10″N、91°55′30″E | 3 096.9 | R6 | 37°37′03″N、91°33′59″E | 3 207.7 |
QD1 | 37°19′40″N、92°04′33″E | 3 293.3 | L1 | 36°49′05″N、93°19′55″E | 2 926.5 |
QD2 | 37°33′28″N、91°53′45″E | 3 074.3 | L2 | 37°05′00″N、92°45′23″E | 2 883.5 |
Table 1 Location of surface sediment samples
样品编号 | 位置 | 海拔/m | 样品编号 | 位置 | 海拔/m |
---|---|---|---|---|---|
GB1 | 36°49′17″N、93°20′03″E | 2 923.0 | QD3 | 37°47′05″N、91°07′40″E | 3 179.4 |
GB2 | 36°51′41″N、93°02′21″E | 2 961.4 | QD4 | 37°48′28″N、91°10′15″E | 3 182.8 |
GB3 | 36°52′24″N、92°59′11″E | 2 994.4 | QD5 | 37°56′31″N、91°13′58″E | 2 960.5 |
GB4 | 37°08′46″N、92°26′06″E | 3 028.6 | QD6 | 37°00′07″N、92°45′25″E | 3 018.3 |
GB5 | 37°16′45″N、92°27′22″E | 2 917.0 | QD7 | 37°32′38″N、91°53′45″E | 3 106.8 |
GB6 | 37°15′51″N、92°21′03″E | 3 009.1 | QD8 | 36°49′19″N、93°01′51″E | 3 040.1 |
GB7 | 37°19′38″N、92°04′31″E | 3 293.1 | QD9 | 36°47′49″N、93°16′01″E | 2 969.2 |
GB8 | 37°36′24″N、91°57′57″E | 3 006.9 | QD10 | 36°47′49″N、93°16′01″E | 2 969.2 |
GB9 | 37°33′25″N、91°54′02″E | 3 077.9 | QD11 | 37°37′11″N、91°33′50″E | 3 206.9 |
GB10 | 37°32′47″N、91°54′01″E | 3 089.8 | QD12 | 36°55′30″N、92°54′57″E | 2 987.0 |
GB11 | 37°47′02″N、91°07′24″E | 3 178.3 | QD13 | 37°08′20″N、92°20′49″E | 3 130.2 |
GB12 | 37°48′38″N、91°10′30″E | 3 169.8 | QD14 | 37°33′10″N、91°55′30″E | 3 097.0 |
GB13 | 37°56′33″N、91°14′03″E | 2 952.7 | QD15 | 37°48′39″N、91°10′31″E | 3 166.9 |
GB14 | 37°47′09″N、91°41′52″E | 2 934.0 | R1 | 36°49′30″N、93°20′29″E | 2 914.5 |
GB15 | 37°37′11″N、91°33′46″E | 3 208.8 | R2 | 36°50′12″N、93°02′45″E | 2 987.4 |
QJD1 | 37°32′38″N、91°53′45″E | 3 108.5 | R3 | 36°52′44″N、92°58′21″E | 2 996.2 |
QJD2 | 36°55′30″N、92°54′57″E | 2 987.0 | R4 | 37°21′21″N、92°02′05″E | 3 300.7 |
QJD3 | 37°08′20″N、92°20′49″E | 3 130.2 | R5 | 37°48′39″N、91°10′40″E | 3 139.3 |
QJD4 | 37°33′10″N、91°55′30″E | 3 096.9 | R6 | 37°37′03″N、91°33′59″E | 3 207.7 |
QD1 | 37°19′40″N、92°04′33″E | 3 293.3 | L1 | 36°49′05″N、93°19′55″E | 2 926.5 |
QD2 | 37°33′28″N、91°53′45″E | 3 074.3 | L2 | 37°05′00″N、92°45′23″E | 2 883.5 |
样品 | SiO2 | Al2O3 | TFe2O3 | CaO | MgO | K2O | Na2O | P2O5 | TiO2 | MnO | CIA | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
GB(n=15) | 平均值 | 63.78 | 9.67 | 2.43 | 6.37 | 1.75 | 2.41 | 2.43 | 0.11 | 0.40 | 0.05 | 47.95 |
变异系数 | 0.08 | 0.08 | 0.20 | 0.24 | 0.18 | 0.14 | 0.19 | 0.19 | 0.21 | 0.20 | / | |
QJD(n=4) | 平均值 | 67.71 | 10.24 | 2.19 | 5.25 | 1.55 | 2.67 | 2.57 | 0.09 | 0.34 | 0.04 | 47.55 |
变异系数 | 0.07 | 0.10 | 0.30 | 0.37 | 0.36 | 0.14 | 0.16 | 0.29 | 0.38 | 0.31 | / | |
QD(n=15) | 平均值 | 70.49 | 10.50 | 1.73 | 4.59 | 1.08 | 2.69 | 2.92 | 0.06 | 0.26 | 0.03 | 45.63 |
变异系数 | 0.05 | 0.07 | 0.18 | 0.35 | 0.24 | 0.05 | 0.10 | 0.12 | 0.24 | 0.18 | / | |
R(n=17) | 平均值 | 67.41 | 10.28 | 2.48 | 5.46 | 1.54 | 2.50 | 2.50 | 0.10 | 0.38 | 0.05 | 48.72 |
变异系数 | 0.07 | 0.06 | 0.27 | 0.29 | 0.31 | 0.13 | 0.15 | 0.32 | 0.32 | 0.27 | / | |
L(n=2) | 平均值 | 70.98 | 10.80 | 1.70 | 4.30 | 1.12 | 2.85 | 2.63 | 0.07 | 0.23 | 0.04 | 47.89 |
变异系数 | 0.04 | 0.03 | 0.20 | 0.11 | 0.22 | 0.12 | 0.08 | 0.13 | 0.20 | 0.17 | / | |
DQ | / | 58.88 | 10.62 | 3.61 | 7.74 | 2.14 | 2.04 | 2.14 | / | 0.53 | / | 71.59 |
ZYC | / | 66.93 | 12.60 | 3.56 | 0.80 | 1.43 | 2.73 | 1.73 | 0.08 | 0.65 | 0.03 | 64.09 |
CK | / | 71.54 | 10.91 | 2.10 | 0.94 | 0.96 | 2.48 | 1.87 | 0.03 | 0.61 | 0.03 | 59.63 |
WL | / | 70.49 | 14.11 | 2.81 | 0.68 | 1.20 | 3.24 | 1.55 | 0.04 | 0.72 | 0.02 | 66.23 |
GJS | / | 69.55 | 12.34 | 3.59 | 0.91 | 1.42 | 2.58 | 1.86 | 0.06 | 0.70 | 0.04 | 62.70 |
DDL | / | 55.66 | 11.04 | 4.46 | 10.30 | 2.68 | 2.38 | 1.41 | 0.15 | 0.71 | 0.08 | 60.50 |
TG | / | 62.80 | 9.63 | 2.30 | 9.05 | 1.96 | 1.98 | 2.36 | 0.09 | 0.36 | 0.05 | 68.75 |
UCC | / | 65.89 | 15.17 | 5.00 | 4.19 | 2.20 | 3.39 | 3.89 | 0.20 | 0.50 | 0.06 | 47.92 |
PAAS | / | 62.80 | 18.90 | 7.22 | 1.30 | 2.20 | 3.70 | 1.20 | 0.16 | 1.00 | 0.11 | 70.38 |
Table 2 Contents of major elements in the different landforms' surface sediments and contrast samples (%)
样品 | SiO2 | Al2O3 | TFe2O3 | CaO | MgO | K2O | Na2O | P2O5 | TiO2 | MnO | CIA | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
GB(n=15) | 平均值 | 63.78 | 9.67 | 2.43 | 6.37 | 1.75 | 2.41 | 2.43 | 0.11 | 0.40 | 0.05 | 47.95 |
变异系数 | 0.08 | 0.08 | 0.20 | 0.24 | 0.18 | 0.14 | 0.19 | 0.19 | 0.21 | 0.20 | / | |
QJD(n=4) | 平均值 | 67.71 | 10.24 | 2.19 | 5.25 | 1.55 | 2.67 | 2.57 | 0.09 | 0.34 | 0.04 | 47.55 |
变异系数 | 0.07 | 0.10 | 0.30 | 0.37 | 0.36 | 0.14 | 0.16 | 0.29 | 0.38 | 0.31 | / | |
QD(n=15) | 平均值 | 70.49 | 10.50 | 1.73 | 4.59 | 1.08 | 2.69 | 2.92 | 0.06 | 0.26 | 0.03 | 45.63 |
变异系数 | 0.05 | 0.07 | 0.18 | 0.35 | 0.24 | 0.05 | 0.10 | 0.12 | 0.24 | 0.18 | / | |
R(n=17) | 平均值 | 67.41 | 10.28 | 2.48 | 5.46 | 1.54 | 2.50 | 2.50 | 0.10 | 0.38 | 0.05 | 48.72 |
变异系数 | 0.07 | 0.06 | 0.27 | 0.29 | 0.31 | 0.13 | 0.15 | 0.32 | 0.32 | 0.27 | / | |
L(n=2) | 平均值 | 70.98 | 10.80 | 1.70 | 4.30 | 1.12 | 2.85 | 2.63 | 0.07 | 0.23 | 0.04 | 47.89 |
变异系数 | 0.04 | 0.03 | 0.20 | 0.11 | 0.22 | 0.12 | 0.08 | 0.13 | 0.20 | 0.17 | / | |
DQ | / | 58.88 | 10.62 | 3.61 | 7.74 | 2.14 | 2.04 | 2.14 | / | 0.53 | / | 71.59 |
ZYC | / | 66.93 | 12.60 | 3.56 | 0.80 | 1.43 | 2.73 | 1.73 | 0.08 | 0.65 | 0.03 | 64.09 |
CK | / | 71.54 | 10.91 | 2.10 | 0.94 | 0.96 | 2.48 | 1.87 | 0.03 | 0.61 | 0.03 | 59.63 |
WL | / | 70.49 | 14.11 | 2.81 | 0.68 | 1.20 | 3.24 | 1.55 | 0.04 | 0.72 | 0.02 | 66.23 |
GJS | / | 69.55 | 12.34 | 3.59 | 0.91 | 1.42 | 2.58 | 1.86 | 0.06 | 0.70 | 0.04 | 62.70 |
DDL | / | 55.66 | 11.04 | 4.46 | 10.30 | 2.68 | 2.38 | 1.41 | 0.15 | 0.71 | 0.08 | 60.50 |
TG | / | 62.80 | 9.63 | 2.30 | 9.05 | 1.96 | 1.98 | 2.36 | 0.09 | 0.36 | 0.05 | 68.75 |
UCC | / | 65.89 | 15.17 | 5.00 | 4.19 | 2.20 | 3.39 | 3.89 | 0.20 | 0.50 | 0.06 | 47.92 |
PAAS | / | 62.80 | 18.90 | 7.22 | 1.30 | 2.20 | 3.70 | 1.20 | 0.16 | 1.00 | 0.11 | 70.38 |
样品 | GB(n=15) | QJD(n=4) | QD(n=15) | R(n=17) | L(n=2) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
平均值 | 变异系数 | 平均值 | 变异系数 | 平均值 | 变异系数 | 平均值 | 变异系数 | 平均值 | 变异系数 | |||||
Cl | 1 937.61 | 1.51 | 493.33 | 0.71 | 162.11 | 0.76 | 605.25 | 1.31 | 206.40 | 0.75 | ||||
V | 49.17 | 0.19 | 42.73 | 0.36 | 33.02 | 0.23 | 47.75 | 0.29 | 28.70 | 0.14 | ||||
Cr | 43.07 | 0.26 | 30.35 | 0.45 | 24.31 | 0.30 | 35.57 | 0.39 | 17.10 | 0.35 | ||||
Co | 20.97 | 0.20 | 21.18 | 0.14 | 24.03 | 0.14 | 22.46 | 0.11 | 23.35 | 0.10 | ||||
Ni | 16.34 | 0.27 | 14.53 | 0.35 | 12.04 | 0.24 | 16.19 | 0.24 | 9.20 | 0.18 | ||||
Cu | 12.43 | 0.24 | 10.48 | 0.43 | 7.86 | 0.15 | 11.95 | 0.25 | 7.20 | 0.14 | ||||
Zn | 32.77 | 0.24 | 29.80 | 0.40 | 20.80 | 0.18 | 32.32 | 0.31 | 25.80 | 0.22 | ||||
Ga | 11.41 | 0.08 | 11.98 | 0.10 | 11.91 | 0.11 | 11.90 | 0.09 | 12.30 | 0.02 | ||||
As | 6.18 | 0.46 | 5.83 | 0.54 | 3.97 | 0.45 | 5.92 | 0.52 | 3.80 | 0.37 | ||||
Rb | 91.32 | 0.13 | 100.03 | 0.16 | 101.23 | 0.06 | 93.06 | 0.14 | 107.95 | 0.20 | ||||
Sr | 271.78 | 0.18 | 277.95 | 0.21 | 323.35 | 0.43 | 251.61 | 0.16 | 288.90 | 0.19 | ||||
Y | 18.43 | 0.14 | 16.05 | 0.24 | 14.11 | 0.16 | 17.35 | 0.26 | 13.90 | 0.32 | ||||
Zr | 264.35 | 0.42 | 215.53 | 0.73 | 103.30 | 0.22 | 190.23 | 0.50 | 120.95 | 0.19 | ||||
Nb | 10.07 | 0.14 | 9.10 | 0.16 | 8.39 | 0.21 | 9.95 | 0.25 | 7.05 | 0.29 | ||||
Ba | 555.85 | 0.09 | 590.48 | 0.05 | 622.24 | 0.06 | 557.42 | 0.13 | 700.90 | 0.10 | ||||
La | 32.46 | 0.22 | 30.48 | 0.23 | 30.27 | 0.17 | 33.17 | 0.16 | 37.05 | 0.17 | ||||
Ce | 68.26 | 0.27 | 64.10 | 0.29 | 65.15 | 0.23 | 69.30 | 0.17 | 80.30 | 0.16 | ||||
Pb | 18.86 | 0.30 | 16.78 | 0.17 | 15.73 | 0.14 | 18.24 | 0.06 | 18.00 | 0.04 |
Table 3 Content of trace element in different landforms' surface sediments (μg·g-1 )
样品 | GB(n=15) | QJD(n=4) | QD(n=15) | R(n=17) | L(n=2) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
平均值 | 变异系数 | 平均值 | 变异系数 | 平均值 | 变异系数 | 平均值 | 变异系数 | 平均值 | 变异系数 | |||||
Cl | 1 937.61 | 1.51 | 493.33 | 0.71 | 162.11 | 0.76 | 605.25 | 1.31 | 206.40 | 0.75 | ||||
V | 49.17 | 0.19 | 42.73 | 0.36 | 33.02 | 0.23 | 47.75 | 0.29 | 28.70 | 0.14 | ||||
Cr | 43.07 | 0.26 | 30.35 | 0.45 | 24.31 | 0.30 | 35.57 | 0.39 | 17.10 | 0.35 | ||||
Co | 20.97 | 0.20 | 21.18 | 0.14 | 24.03 | 0.14 | 22.46 | 0.11 | 23.35 | 0.10 | ||||
Ni | 16.34 | 0.27 | 14.53 | 0.35 | 12.04 | 0.24 | 16.19 | 0.24 | 9.20 | 0.18 | ||||
Cu | 12.43 | 0.24 | 10.48 | 0.43 | 7.86 | 0.15 | 11.95 | 0.25 | 7.20 | 0.14 | ||||
Zn | 32.77 | 0.24 | 29.80 | 0.40 | 20.80 | 0.18 | 32.32 | 0.31 | 25.80 | 0.22 | ||||
Ga | 11.41 | 0.08 | 11.98 | 0.10 | 11.91 | 0.11 | 11.90 | 0.09 | 12.30 | 0.02 | ||||
As | 6.18 | 0.46 | 5.83 | 0.54 | 3.97 | 0.45 | 5.92 | 0.52 | 3.80 | 0.37 | ||||
Rb | 91.32 | 0.13 | 100.03 | 0.16 | 101.23 | 0.06 | 93.06 | 0.14 | 107.95 | 0.20 | ||||
Sr | 271.78 | 0.18 | 277.95 | 0.21 | 323.35 | 0.43 | 251.61 | 0.16 | 288.90 | 0.19 | ||||
Y | 18.43 | 0.14 | 16.05 | 0.24 | 14.11 | 0.16 | 17.35 | 0.26 | 13.90 | 0.32 | ||||
Zr | 264.35 | 0.42 | 215.53 | 0.73 | 103.30 | 0.22 | 190.23 | 0.50 | 120.95 | 0.19 | ||||
Nb | 10.07 | 0.14 | 9.10 | 0.16 | 8.39 | 0.21 | 9.95 | 0.25 | 7.05 | 0.29 | ||||
Ba | 555.85 | 0.09 | 590.48 | 0.05 | 622.24 | 0.06 | 557.42 | 0.13 | 700.90 | 0.10 | ||||
La | 32.46 | 0.22 | 30.48 | 0.23 | 30.27 | 0.17 | 33.17 | 0.16 | 37.05 | 0.17 | ||||
Ce | 68.26 | 0.27 | 64.10 | 0.29 | 65.15 | 0.23 | 69.30 | 0.17 | 80.30 | 0.16 | ||||
Pb | 18.86 | 0.30 | 16.78 | 0.17 | 15.73 | 0.14 | 18.24 | 0.06 | 18.00 | 0.04 |
Fig.3 UCC-normalized pattern of major element composition for gobi (A), dune top (B), river (C),interdune (D), gravel ripple (E) in the study area and contrast samples (F)
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