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IND - SS / BG 175A
Sample
Rock type
Rhyolite
Sampled at
1990-02-07
Sampled by
Priadi B.
Bibliography
Country
Indonésie
Region
Sulawesi
Zone
Tana-Toraja
Longitude
119.7881 DD 119° 47' 0''
Latitude
-3.0802 DD -4° 55' 0''
Altitude
0 m
Body of water
Comments
Whole rock K-Ar dating
Analysis 1
Reference
B2397-3
Method
K-Ar
Technique
Age
0.61 Ka
Age incertitude
0.12 Ka
Precision
0
Sigma
±1
K2O
3.59 %
Fused mass
1.1029 g
40ArR/40ArT
8.82 %
40ArR
70.72 10-7cm3.g-1
36Ar
2.73 exp 10-9cm3
Comments
Mineral K-Ar dating
No data available
Major elements analysis
Analysis 1
Precision
0
SiO2
69.7
TiO2
0.41
Al2O3
13.9
Fe2O3
2.35
MnO
0.05
MgO
0.9
CaO
2.35
Na2O
3.7
K2O
3.8
P2OR
0.1
Total
99.56
Loss on ignition
2.3
Comments
Trace elements analysis
Analysis 1
Precision
0
Rb
237
Ba
850
Th
58.25
Nb
0
La
69.41
Ce
130
Sr
480
Nd
0
Sm
4.87
Zr
218
Eu
1.1
Gd
0
Dy
0
Y
0
Er
0
Yb
1.41
Sc
0
V
10
Cr
12
Co
6
Ni
5
Cu
Comments
Microprobe analyses
No data available
Isotopic analysis
No data available
Map
Documents
No data available
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