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Geoenvironmental Disasters

Table 2 Grain-size parameters (mean size in μm; standard deviation; skewness; C95, C90, C50, C10, in μm, are 95, 90, 50 and 10 probability cumulative percent, respectively), for outcrops Th 01, Th02 and Th03

From: New sedimentary and geomorphic evidence of tsunami flooding related to an older events along the Tangier-Asilah coastal plain, Morocco

Samples

% Sand

% Silt

% Clay

Mean (μm)

Skewness

Sorting

C95

C90

C50

C10

 

Outcrop Th01

          

S1a

0–10 cm

96.05

2.21

1.74

219.25

1.089

1.195

329.4

318.4

211.2

129.7

S1b

10–20 cm

96.21

2.07

1.72

221.33

1.09

1.19

331.4

223.1

209.2

126.5

S1c

20–30 cm

97.21

1.43

1.36

229.45

1.097

1.263

373.1

339.8

213.2

146.8

S1d

30–40 cm

95.72

2.71

1.57

229.45

1.097

1.263

716.9

339.8

213.8

121.8

S1e

40–50 cm

97.29

1.61

1.1

229.45

0.91

1.263

541.9

339.8

234.1

146.8

S1f

50–60 cm

96.44

2.19

1.37

216.88

0.999

1.205

373.1

309.6

213.2

133.7

S1g

60–70 cm

95.69

2.79

1.52

221.65

1

1.323

449.7

339.6

213.2

121.8

 

Outcrop Th02

          

S2a

0–30 cm

96.72

1.34

1.94

219.6

0.989

1.107

332.5

312.7

219.5

129.6

S2b

30–60 cm

96.67

1.98

1.35

218.9

0.99

1.105

336.1

313.4

223.6

119.9

S2c

60–62 cm

97.06

1.67

1.27

216.8

0.999

1.205

339.8

309.6

213.2

133.7

S2d

62–64 cm

97.19

1.53

1.28

216.8

0.999

1.205

309.6

282.1

213.2

133.7

S2e

64–66 cm

95.52

2.74

1.74

209.1

0.911

1.262

309.6

282.1

213.2

121.8

S2f

66–68 cm

97.02

1.57

1.41

216.8

0.999

1.205

339.8

309.6

213.2

133.7

S2g

68–70 cm

94.14

3.84

2.02

197.65

0.999

1.323

309.6

282.1

194.2

92.65

S2h

70–72 cm

94.07

3.83

2.1

197.65

1.001

1.205

309.6

282.1

194.2

101.1

 

Outcrop Th03

          

S3a

0–30 cm

96.31

2.24

1.45

229.4

0.916

1.263

493.6

373.1

234.1

133.7

S3b

30–40 cm

97.01

1.73

1.26

251.9

1.097

1.263

493.6

373.1

234.1

146.8

S3c

40–50 cm

95.51

2.96

1.53

251.9

1.097

1.263

373.1

339.8

213.2

111

S3d

50–60 cm

96.51

2.14

1.35

251.9

0.916

1.263

373.1

339.8

234.1

133.7

S3e

60–70 cm

93.7

4.33

1.97

221.6

1

1.323

339.8

309.6

213.2

92.09

 

Beach (Tahaddart)

          

Sb

0–30 cm

94.19

3.95

1.86

599.3

1.963

0.891

389.5

307.1

241.9

190.3

 

Marshlands

          

SM1

0–30 cm (O. Hachef)

97.58

2.24

2.19

105.3

2.985

2.443

248.6

315.5

226.5

58.51

SM2

0–30 cm (O. Mharhar)

85.1

8.63

6.27

199.18

2.83

2.512

220.58

452.89

242.89

95.29

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