Sample/site

²³²Th

²²⁶Ra

⁴⁰K

Location (GPS)

W1/Haqal 1

14.3

33.4

311.3

N 20˚28'14" E 40˚43'07"

W2/Adham1

6.6

27.4

241.7

N 20˚26'40" E 40˚52'45"

W3/Al-Jaizah1

9.9

11.5

287.2

N 20˚22'14" E 40˚56'08"

W4/Adham 2

4.4

24.5

206.9

N 20˚26'28" E 40˚52'36"

W5/Adham 3

21.2

29.2

184.9

N 20˚26'51" E 40˚53'06"

W6/Haqal 3

25.8

31.4

312.2

N 20˚28'28" E 40˚43'38"

W7/Al-Jaizah2

8.3

19.7

197.5

N 20˚22'22" E 40˚56'09"

W8/Haqal 2

15.1

37.9

269.3

N 20˚28'34" E 40˚43'31"

Mean

13.2

26.9

251.4

Stdev

7.2

8.3

51.1

Max

25.8

33.4

550.1

Min

4.4

11.5

184.9