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AMS-CHI / LCBA-PG04

Sample

Rock type
Basalte
Sampled at
2003-01-01
Sampled by
Bibliography
Country
Chili
Region
Coyhaique-Lac General Carrera Buenos-Aires
Zone
Zone de Murta à l'ouest de l'embranchement de Rio Murte et rio Cajon
Longitude
-72.83 DD     -73° 10' 0''
Latitude
-46.19 DD     -47° 48' 1''
Altitude
0 m
Body of water
Comments

Whole rock K-Ar dating

Analysis 1

Reference
6055-7
Method
K-Ar
Technique
null
Age
1.7 Ma
Age incertitude
0.24 Ma
Precision
0
Sigma
±0
K2O
0.52 %
Fused mass
g
40ArR/40ArT
6.8 %
40ArR
0.29 10-7cm3.g-1
36Ar
exp 10-9cm3
Comments

Mineral K-Ar dating

No data available

Major elements analysis

Analysis 1

Precision
2
SiO2
47.9
TiO2
1.22
Al2O3
20
Fe2O3
15.23
MnO
0.13
MgO
7.35
CaO
9.5
Na2O
3.25
K2O
0.58
P2OR
0.2
Total
Loss on ignition
1.26
Comments

Trace elements analysis

Analysis 1

Precision
2
Rb
9.7
Ba
88
Th
0.8
Nb
6.5
La
9
Ce
20
Sr
540
Nd
12
Sm
3.1
Zr
106
Eu
1.16
Gd
4.2
Dy
3.4
Y
19
Er
2.1
Yb
1.84
Sc
20.8
V
142
Cr
53
Co
36
Ni
70
Cu
0
Comments

Microprobe analyses

No data available

Isotopic analysis

No data available

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