Table 1 Distribution of eU, eTh, and K40 in pink granite through the main adit at Erediya exploratory tunnels.

From: Integrated radiometric and mineralogical investigation of radioactive mineralization in the El-Erediya Shear Zone, Eastern Desert, Egypt

Location

Statistical elements

eU (ppm)

eTh (ppm)

K40 (%)

eTh/eU

(eTh/K) * 10−4

Main adit

Maximum

39.1

42.7

9.8

4.8

6.37

Minimum

7.4

26.1

6

1.01

3.68

Average

25

37.5

8.4

2.42

5.05

Correlation coefficient

eTh and eU

0.04

–

–

eU and K40

0.15

–

–

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