Table 2 Composition of soil texture particles under different sedimentary environments.

From: Identification of soil particle size distribution in different sedimentary environments at river basin scale by fractal dimension

Sedimentary environments

Soil depth/m

Soil particle size distribution (%)

dav/μm (< 0.002 mm)

dmin/μm (2–0.02 mm)

dmax/μm

Sand

Silt

Clay

Upper yellow river

0–3

66.1

33.06

0.84

69.98

0.67

370.88

Lower yellow river

0–3

51.46

39.67

8.87

88.80

0.25

486.08

Mountain-front plain

0–3

57.09

38.34

4.57

48.02

0.43

282.98

Central alluvial plain

0–3

44.18

49.04

6.78

55.88

0.33

370.88

Eastern coastal plain

0–3

32.83

59.43

7.74

55.12

0.33

444.17

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