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Table 8 Average chemical composition (trace elements in ppm) of the Paleozoic mudrocks

From: Mineralogy and diagenetic impacts on chemical composition of Paleozoic mudrocks, southwestern Sinai, Egypt

Age

Fms.

S. No.

Ti

Cr

Y

Co

Nb

Mn

V

Ni

Cu

Zn

Pb

Sr

Ba

Rb

Zr

Ce

Th

Ga

Paleozoic

Late Paleozoic

Early Carboniferous

Magharet

El Maiah

Min.

7200

100

40

35

35

32

106

28

41

13

52

364

n.d.

21

402

191

19

25

Max.

9500

123

100

50

62

63

273

58

75

128

479

1149

n.d.

69

586

263

45

52

Average

8600

112

69

42

48

52

187

41

60

57

216

584

n.d.

44

536

226

31

34

El Hashash

Average

100

172

29

83

26

61

538

56

59

33

356

13

172

13

502

110

33

14

Early Paleozoic

Cambro-Ordovician

Adedia

Min.

200

104

23

68

20

116

58

62

42

53

39

436

588

208

429

247

12

22

Max.

5400

117

32

99

25

321

101

78

47

159

64

739

1180

227

476

520

13

24

Average

2800

111

28

84

23

219

80

70

45

106

52

588

884

218

453

384

13

23

Abu Hamata

Min.

5600

100

32

76

17

275

152

71

41

107

81

269

820

227

414

223

12

18

Max.

12,300

129

83

90

39

487

283

94

44

165

79

299

880

287

2237

300

62

40

Average

7900

116

52

82

25

377

201

80

42

134

80

289

848

249

1049

270

37

29

A.C.

4600

100

90

74

14

850

120

80

50

90

20

400

600

110

150

345

7

20

  1. N.B: A.C trace elements average concentration after Turkian and Wedipohl (1961)