Geo3dat

Geochronology, Geology, Geochemistry and Petrology

Geo3dat : English version en

fr
Home
Samples
Visualization
Forum
Contact

AMS-CHI / LCBA-PG109

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
6312-7
Method
K-Ar
Technique
null
Age
5.64 Ma
Age incertitude
0.19 Ma
Precision
0
Sigma
±0
K2O
1.3 %
Fused mass
g
40ArR/40ArT
32 %
40ArR
2.37 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
TiO2
2.05
Al2O3
16
Fe2O3
11.95
MnO
0.17
MgO
7.45
CaO
9.6
Na2O
3.48
K2O
1.35
P2OR
0.5
Total
Loss on ignition
0.13
Comments

Trace elements analysis

Analysis 1

Precision
2
Rb
22
Ba
285
Th
3
Nb
29
La
27.5
Ce
54
Sr
685
Nd
29.5
Sm
6.55
Zr
185
Eu
2.05
Gd
5.6
Dy
4.7
Y
24
Er
2.1
Yb
1.88
Sc
25
V
225
Cr
190
Co
42
Ni
124
Cu
0
Comments

Microprobe analyses

No data available

Isotopic analysis

No data available

Geo3dat © 2011-2012. All rights reserved