Table 1 The ranges and means of elemental concentrations of the Paleocene–Eocene sediments, West Central Sinai, Egypt

SiO₂%

39.03–39.35 (39.19)

8.82–54.84 (26.98)

33.56–38.75 (35.42)

31.29–39.87 (35.58)

8.42–53.67 (30.93)

33.74–37.22 (35.5)

32.12–43.35 (39.5)

16.8–57.4 (32.26)

14.15–21 (17.57)

TiO₂%

0.5–0.51 (0.51)

0.11–1.07 (0.47)

0.37–0.49 (0.45)

0.36–0.47 (0.415)

0.1–0.79 (0.39)

0.37–0.47 (0.42)

0.35–0.55 (0.48)

0.23–0.93 (0.46)

0.14–0.24 (0.19)

Al₂O₃%

12.25–12.26 (12.26)

2.56–20.37 (9.05)

11.76–14.08 (12.9)

8.84–11.32 (10.08)

2.38–17.12 (8.63)

11.48–13.43 (12.5)

8.49–12.92 (11.42)

4.46–19.35 (9.56)

2.91–4.64 (3.78)

^tFe₂O₃%

4.01–4.04 (4.03)

1.46–4.47 (3.25)

3.96–4.61 (4.35)

3.12–3.89 (3.5)

2.5–10.75 (6.3)

4.27–4.36 (4.32)

2.92–4.89 (3.96)

2.54–6.26 (4.57)

2.61–6.44 (4.53)

MnO%

0.05–0.06 (0.06)

0.01–0.26 (0.012)

0.16–0.19 (0.17)

0.07–0.12 (0.095)

0.02–0.35 (0.13)

0.18–0.19 (0.185)

0.11–0.2 (0.14)

0.02–0.13 (0.08)

0.14–0.16 (0.15)

MgO%

4.22–4.64 (4.43)

1.45–4.38 (2.49)

2.93–3.74 (3.36)

3.07–4.55 (3.81)

1.36–4.89 (2.86)

3.18–3.64 (3.41)

2.91–4.03 (3.62)

1.51–4.55 (2.75)

1.8–2.35 (2.08)

CaO%

26.71–30.36 (28.54)

3.13–61.71 (39.57)

32.33–40.62 (37.21)

33.68–46.82 (40.25)

6.94–76.83 (35.95)

36.52–44.27 (40.4)

28.86–47.44 (35.47)

3.82–54.85 (35.84)

48.12–56.7 (52.4)

Na₂O%

0.15–1.91 (1.03)

6.73–6.37 (6.37)

0.33–2.64 (1.37)

0.47–0.84 (0.66)

0.34–2.9 (1.2)

0.59–0.86 (0.73)

1.02–2.01 (1.51)

0.29–3.66 (1.65)

1.41–6.26 (3.84)

K₂O%

0.44–0.7 (0.57)

0.01–1.65 (0.56)

0.24–0.38 (0.3)

0.2–0.29 (0.25)

0–161 (0.81)

0.35–0.6 (0.48)

0.22–0.75 (0.51)

0.15–1.94 (0.68)

0.53–0.85 (0.69)

P₂O₅%

1.66–1.76 (1.71)

0.76–0.96 (0.84)

0.57–0.82 (0.67)

1.59–1.77 (1.68)

0.62–5.77 (3.2)

0.54–0.75 (0.65)

0.7–1.27 (1.07)

1.05–6.03 (3.06)

0.43–1 (0.72)

LOI%

5.3–7.6 (6.45)

1.7–21.2 (13.43)

2.4–3.7 (3.2)

2.7–2.8 (2.75)

3.2–13.4 (8.52)

0.3–1.8 (1.05)

1–2.3 (1.53)

1.1–22.7 (8.35)

4.8–20.6 (12.7)

V (µg/g)

233–250 (241.5)

135–480 (346.3)

174–222 (203)

185–205 (195)

117–8993 (3014)

214–216 (215)

158–244 (209)

308–7520 (3638)

193–456 (325)

Cr (µg/g)

196–199 (197.5)

49–372 (225.7)

127–130 (128.3)

151–177 (164)

54–2039 (996)

127–129 (128)

127–223 (190)

289–2351 (1402)

204–306 (255)

Ni (µg/g)

263–273 (268)

72–574 (372)

223–322 (257)

230–255 (243)

128–2728 (1581)

271–309 (290)

187–318 (263)

460–1788 (1223)

305–458 (382)

Cu (µg/g)

22–34 (28)

26–108 (67)

15–25 (20)

17–17 (17)

31–350 (175)

34–39 (37)

26–53 (40)

125–344 (245)

86–89 (88)

Zn (µg/g)

247–267 (257)

91–675 (288)

239–310 (276)

237–243 (240)

139–2006 (1034)

307–332 (320)

205–529 (389)

289–1874 (1129)

388–1029 (709)

Rb (µg/g)

16–24 (20)

9–51 (23)

16–18 (17)

15–16 (15.5)

11–58 (31)

23–24 (24)

16–24 (19)

10–69 (27)

19–24 (22)

Sr (µg/g)

1060–1197 (1129)

288–1849 (1132)

1023–1218 (1136)

1350–1419 (1384)

477–1367 (1071)

1142–1238 (1190)

913–1391 (1082)

319–2053 (1442)

1448–1931 (1690)

Y (µg/g)

136–149 (143)

48–86 (62)

41–61 (51)

131–133 (132)

51–174 (133)

47–60 (54)

71–141 (117)

111–139 (127)

31–63 (47)

Zr (µg/g)

123–128 (126)

46–237 (118)

89–102 (95)

100–109 (105)

48–180 (117)

92–103 (98)

95–138 (123)

74–207 (129)

54–82 (68)

Nb (µg/g)

11–11 (11)

4–24 (11.3)

10–14 (13)

8–9 (8.5)

3–16 (40)

11–15 (13)

10–13 (11.67)

3–21 (9)

5–6 (5.5)

Ba (µg/g)

7046–7488 (7267)

2329–24,947 (13901)

4674–4974 (4850)

5589–5694 (5642)

68–3619 (829)

119–3742 (1931)

135–7835 (2702)

153–27,607 (7037)

93–130 (112)