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AMS-CHI / LCBA-PG105

Sample

Rock type
Basalte
Sampled at
2002-01-01
Sampled by
Bibliography
Country
Chili
Region
Coyhaique-Lac General Carrera Buenos-Aires
Zone
zone de Meseta
Longitude
-71.86 DD     -72° 8' 0''
Latitude
-46.78 DD     -47° 13' 0''
Altitude
0 m
Body of water
Comments

Whole rock K-Ar dating

Analysis 1

Reference
6301-3
Method
K-Ar
Technique
null
Age
6.53 Ma
Age incertitude
0.25 Ma
Precision
0
Sigma
±0
K2O
1.26 %
Fused mass
g
40ArR/40ArT
26.1 %
40ArR
2.66 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
1.64
Al2O3
16.25
Fe2O3
10.34
MnO
0.16
MgO
8.54
CaO
8.65
Na2O
3.7
K2O
1.48
P2OR
0.66
Total
Loss on ignition
0.28
Comments

Trace elements analysis

Analysis 1

Precision
2
Rb
34.5
Ba
455
Th
5.2
Nb
24.5
La
38.5
Ce
75
Sr
870
Nd
36.5
Sm
7
Zr
210
Eu
2.07
Gd
5.8
Dy
4.7
Y
21
Er
2.4
Yb
2.1
Sc
22
V
190
Cr
220
Co
39
Ni
180
Cu
0
Comments

Microprobe analyses

No data available

Isotopic analysis

No data available

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