Geo3dat
Geochronology, Geology, Geochemistry and Petrology
Geo3dat : English version
AMS-CHI / LCBA-PG132
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
6280-8
Method
K-Ar
Technique
null
Age
3.32 Ma
Age incertitude
0.1 Ma
Precision
0
Sigma
±0
K2O
2.38 %
Fused mass
g
40ArR/40ArT
39.2 %
40ArR
2.55 10-7cm3.g-1
36Ar
exp 10-9cm3
Comments
Mineral K-Ar dating
No data available
Major elements analysis
Analysis 1
Precision
2
SiO2
55
TiO2
1.4
Al2O3
18.4
Fe2O3
8.65
MnO
0.19
MgO
2.07
CaO
5.3
Na2O
5.85
K2O
2.6
P2OR
0.91
Total
Loss on ignition
-0.26
Comments
Trace elements analysis
No data available
Microprobe analyses
No data available
Isotopic analysis
No data available
Map
Documents
No data available
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