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Geochronology, Geology, Geochemistry and Petrology
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PAC PO TAH P5N
Sample
Rock type
Basalte
Sampled at
Sampled by
C.DIRAISON
Bibliography
Country
Polynésie française
Region
Tahiti Nui
Zone
Tahiti Nui
Longitude
149.423056 DD 149° 25' 0''
Latitude
17.677222 DD 17° 40' 1''
Altitude
620 m
Body of water
Océan Pacifique
Comments
Whole rock K-Ar dating
Analysis 1
Reference
B1801-9
Method
K-Ar
Technique
Age
0.44 Ma
Age incertitude
70 Ka
Precision
0
Sigma
±0
K2O
1.56 %
Fused mass
1.0322 g
40ArR/40ArT
8.2 %
40ArR
0.22 10-7cm3.g-1
36Ar
0 exp 10-9cm3
Comments
Mineral K-Ar dating
No data available
Major elements analysis
Analysis 1
Precision
SiO2
42.75
TiO2
4.34
Al2O3
11.71
Fe2O3
13.52
MnO
0.17
MgO
9.73
CaO
11.48
Na2O
2.13
K2O
1.3
P2OR
0.4
Total
98.83
Loss on ignition
Comments
Trace elements analysis
Analysis 1
Precision
Rb
28
Ba
444
Th
Nb
La
Ce
Sr
692
Nd
Sm
Zr
Eu
Gd
Dy
Y
Er
Yb
Sc
V
272
Cr
273
Co
54
Ni
172
Cu
46
Comments
Li=8
Zn=118
Microprobe analyses
No data available
Isotopic analysis
No data available
Map
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