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AMS-CHI / LCBA-PG108

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
-46.75 DD     -47° 15' 0''
Altitude
0 m
Body of water
Comments

Whole rock K-Ar dating

Analysis 1

Reference
6297-8
Method
K-Ar
Technique
null
Age
5.8 Ma
Age incertitude
0.19 Ma
Precision
0
Sigma
±0
K2O
1.28 %
Fused mass
g
40ArR/40ArT
33.2 %
40ArR
2.41 10-7cm3.g-1
36Ar
exp 10-9cm3
Comments

Mineral K-Ar dating

No data available

Major elements analysis

Analysis 1

Precision
2
SiO2
47.5
TiO2
2.06
Al2O3
16.1
Fe2O3
11.9
MnO
0.17
MgO
7.12
CaO
9.85
Na2O
3.54
K2O
1.42
P2OR
0.54
Total
Loss on ignition
-0.23
Comments

Trace elements analysis

Analysis 1

Precision
2
Rb
23.5
Ba
320
Th
3
Nb
30
La
28
Ce
57
Sr
682
Nd
30.5
Sm
6.7
Zr
180
Eu
2.07
Gd
6
Dy
4.8
Y
245
Er
2.2
Yb
1.94
Sc
26
V
235
Cr
185
Co
43
Ni
107
Cu
0
Comments

Microprobe analyses

No data available

Isotopic analysis

No data available

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