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AMS-CHI / LCBA-PG133

Sample

Rock type
Basalte
Sampled at
2002-01-01
Sampled by
Bibliography
Country
Chili
Region
Conhayque : Lac General Buenos-Aires
Zone
zone de Meseta
Longitude
71.51 DD     71° 30' 1''
Latitude
47.16 DD     47° 9' 1''
Altitude
0 m
Body of water
Comments

Whole rock K-Ar dating

Analysis 1

Reference
6286-6
Method
K-Ar
Technique
null
Age
3.64 Ma
Age incertitude
0.11 Ma
Precision
0
Sigma
±0
K2O
2.25 %
Fused mass
g
40ArR/40ArT
35.8 %
40ArR
2.65 10-7cm3.g-1
36Ar
exp 10-9cm3
Comments

Mineral K-Ar dating

No data available

Major elements analysis

Analysis 1

Precision
2
SiO2
51.8
TiO2
1.68
Al2O3
16.5
Fe2O3
13.1
MnO
0.23
MgO
2.63
CaO
5.75
Na2O
4.58
K2O
2.33
P2OR
1.28
Total
Loss on ignition
-0.52
Comments

Trace elements analysis

Analysis 1

Precision
2
Rb
41
Ba
600
Th
6.7
Nb
53
La
61
Ce
124
Sr
534
Nd
52
Sm
11.7
Zr
500
Eu
3.28
Gd
9.9
Dy
8
Y
44
Er
4
Yb
3.8
Sc
12
V
54
Cr
2
Co
20
Ni
2
Cu
0
Comments

Microprobe analyses

No data available

Isotopic analysis

No data available

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