Table 1: The elements detected by geochemical log.

Elements detected

Detecting/processing method

Chemical Element

Symbol

Atomic mass

Capture γ-ray spectrum

Inelastic γ-ray spectrum

X-ray fluorescence

Aluminum

Al

26.98

√

√

 

Barium

Ba

137.30

√

√

√

Bromine

Br

79.90

√

√

 

Calcium

Ca

40.08

√

√

√

Carbon

C

12.01

 

√

 

Chlorine

Cl

35.45

√

√

√

Copper

Cu

63.55

√

 

 

Chromium

Cr

52.00

√

 

 

Gadolinium

Gd

69.72

√

 

 

Hydrogen

H

1.01

√

 

 

Iron

Fe

55.85

√

√

 

lead

Pb

207.20

 

 

√

Magnesium

Mg

24.31

√

√

√

Manganese

Mn

54.94

√

 

√

Molybdenum

Mo

95.54

 

 

√

Nickel

Ni

58.69

 

 

√

Oxygen

O

16.00

 

√

 

Potassium

K

39.10

√

√

√

Sillicon

Si

28.09

√

√

 

Sodium

Na

22.99

√

√

 

Sulfur

S

32.07

√

√

√

Thorium

Th

232.04

√

 

 

Titanium

Ti

204.40

√

 

 

Uranium

U

238.03

√

 

 

Vanadium

V

50.94

 

 

√

Zinc

Zn

65.39

 

 

√