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AF - CAM / Noun / TR20

Sample

Rock type
Rhyolite
Sampled at
2008-06-07
Sampled by
Bibliography
Country
Cameroun
Region
Noun
Zone
Mbépi
Longitude
10.719144 DD     10° 43' 0''
Latitude
5.523773 DD     5° 31' 0''
Altitude
1618 m
Body of water
Comments

Whole rock dating analyses

Analysis 1

Reference
Method
K-Ar
Technique
Age
45.5 Ma
Age incertitude
1.1 Ma
Precision
0
Sigma
±0
K2O
4.98 %
Fused mass
g
40ArR/40ArT
79.5 %
40ArR
73.96 10-7cm3.g-1
36Ar
exp 10-9cm3
Comments

Mineral dating analyses

No data available

Major elements analyses

No data available

Trace elements analyses

Analysis 1

Precision
0
Rb
102
Ba
62.11
Th
0
Nb
65.13
La
0
Ce
0
Sr
35.07
Nd
0
Sm
0
Zr
0
Eu
0
Gd
0
Dy
0
Y
0
Er
0
Yb
0
Sc
0
V
0
Cr
0
Co
1.4
Ni
0
Cu
3.76
Comments
ppm: As=0; Be=2.758; Bi=0.051; Cd=0.607; Cs=0.304; Ga=32.05; Ge=1.686; Hf=15.73; In=0.173; Mo=2.339; Pb=10.129; Sb=0; Sn=4.225; ,

Microprobe analyses

No data available

Isotopic analyses

No data available

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