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Geochronology, Geology, Geochemistry and Petrology
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PAC PO SO BO 51
Sample
Rock type
Basalte
Sampled at
Sampled by
C.DIRAISON
Bibliography
Country
Polynésie française
Region
Bora-Bora
Zone
Bora-Bora
Longitude
151.727778 DD 151° 43' 1''
Latitude
16.512778 DD 16° 30' 1''
Altitude
11 m
Body of water
Océan Pacifique
Comments
Whole rock K-Ar dating
Analysis 1
Reference
B2012-7
Method
K-Ar
Technique
Age
3.63 Ma
Age incertitude
0.18 Ma
Precision
0
Sigma
±0
K2O
1.13 %
Fused mass
1.0028 g
40ArR/40ArT
25.2 %
40ArR
1.32 10-7cm3.g-1
36Ar
0 exp 10-9cm3
Comments
Mineral K-Ar dating
No data available
Major elements analysis
Analysis 1
Precision
SiO2
46.66
TiO2
2.4
Al2O3
11.1
Fe2O3
12.87
MnO
0.18
MgO
11.96
CaO
10
Na2O
2.33
K2O
1.15
P2OR
0.7
Total
99.17
Loss on ignition
Comments
Trace elements analysis
Analysis 1
Precision
Rb
22
Ba
182
Th
Nb
La
Ce
Sr
424
Nd
Sm
Zr
Eu
Gd
Dy
Y
Er
Yb
Sc
V
2901
Cr
581
Co
56
Ni
385
Cu
Comments
Microprobe analyses
No data available
Isotopic analysis
No data available
Map
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