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AF - CAM / Bambouto / NG6

Sample

Rock type
Phonolite
Sampled at
2007-01-01
Sampled by
D. G. Nkouathio
Bibliography
Country
Cameroun
Region
Bambouto
Zone
Nzindeng
Longitude
10.023839 DD     10° 1' 0''
Latitude
5.455642 DD     5° 27' 0''
Altitude
1335 m
Body of water
Comments

Whole rock dating analyses

Analysis 1

Reference
B6635 - 4
Method
K-Ar
Technique
Age
6.61 Ma
Age incertitude
0.17 Ma
Precision
0
Sigma
±1
K2O
1.75 %
Fused mass
g
40ArR/40ArT
49.1 %
40ArR
3.74 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
52.63
Ba
394.5
Th
5.13
Nb
73.33
La
51.94
Ce
107.4
Sr
888.5
Nd
52.94
Sm
10.23
Zr
327.8
Eu
3.19
Gd
0
Dy
0
Y
29.55
Er
0
Yb
0
Sc
0
V
0
Cr
47.07
Co
41.59
Ni
62.08
Cu
0
Comments
ppm: Hf=7.09; Lu=0.35; Pb=2.56; Pr=13.28; Ta=5.41; Tb=1.15; ,

Microprobe analyses

No data available

Isotopic analyses

No data available

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