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AMS-CHI / LCBA-PG130

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     -72° 29' 0''
Latitude
-47.16 DD     -48° 50' 0''
Altitude
0 m
Body of water
Comments

Whole rock K-Ar dating

Analysis 1

Reference
6279-7
Method
K-Ar
Technique
null
Age
3.44 Ma
Age incertitude
0.11 Ma
Precision
0
Sigma
±0
K2O
1.96 %
Fused mass
g
40ArR/40ArT
35.5 %
40ArR
2.18 10-7cm3.g-1
36Ar
exp 10-9cm3
Comments

Mineral K-Ar dating

No data available

Major elements analysis

Analysis 1

Precision
2
SiO2
49
TiO2
2.71
Al2O3
17
Fe2O3
13.2
MnO
0.2
MgO
3.85
CaO
6.85
Na2O
4.35
K2O
2.04
P2OR
0.86
Total
Loss on ignition
-0.67
Comments

Trace elements analysis

Analysis 1

Precision
2
Rb
36
Ba
480
Th
4.6
Nb
48
La
47
Ce
94
Sr
578
Nd
45.5
Sm
10
Zr
395
Eu
2.92
Gd
9
Dy
7.15
Y
37.5
Er
3.5
Yb
3.25
Sc
20
V
175
Cr
2
Co
27
Ni
6
Cu
0
Comments

Microprobe analyses

No data available

Isotopic analysis

No data available

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