Geo3dat
Geochronology, Geology, Geochemistry and Petrology
Geo3dat : English version
ASI - PH MNO / P 90-18
Sample
Rock type
Basalte
Sampled at
Sampled by
Bibliography
Magmatic response to abrupt changes in geodynamic settings : Pli
Country
Philippines
Region
Mindanao / Zamboanga Peninsula
Zone
Pagadian City
Longitude
123.06 DD 123° 3' 1''
Latitude
7.9 DD 7° 54' 0''
Altitude
0 m
Body of water
Océan Pacifique
Comments
Whole rock K-Ar dating
Analysis 1
Reference
B2984-6
Method
K-Ar
Technique
Age
2.67 Ma
Age incertitude
1.81 Ma
Precision
Sigma
±1
K2O
0.66 %
Fused mass
g
40ArR/40ArT
3.51 %
40ArR
1.63 10-7cm3.g-1
36Ar
4.25 exp 10-9cm3
Comments
Analyse sur roche totale
Analysis 2
Reference
B2985-7
Method
K-Ar
Technique
Age
3.35 Ma
Age incertitude
1.82 Ma
Precision
Sigma
±1
K2O
0.66 %
Fused mass
g
40ArR/40ArT
4.35 %
40ArR
1.63 10-7cm3.g-1
36Ar
4.32 exp 10-9cm3
Comments
Analyse sur roche totale
Analysis 3
Reference
B3025-5
Method
K-Ar
Technique
Age
3.55 Ma
Age incertitude
0.51 Ma
Precision
Sigma
±1
K2O
0.83 %
Fused mass
g
40ArR/40ArT
5.85 %
40ArR
1.63 10-7cm3.g-1
36Ar
4.19 exp 10-9cm3
Comments
Mineral K-Ar dating
No data available
Major elements analysis
Analysis 1
Precision
0
SiO2
53.5
TiO2
1.08
Al2O3
16.84
Fe2O3
8.74
MnO
0.14
MgO
6.47
CaO
8.17
Na2O
3.35
K2O
0.66
P2OR
0.32
Total
99.79
Loss on ignition
0.52
Comments
Trace elements analysis
Analysis 1
Precision
Rb
20
Ba
150
Th
Nb
9.85
La
15.4
Ce
28
Sr
465
Nd
16
Sm
Zr
110
Eu
1.1
Gd
Dy
3.3
Y
20
Er
2
Yb
1.68
Sc
20
V
150
Cr
185
Co
36
Ni
130
Cu
Comments
Sr/Y=23
La/Yb=9.2
BaNb=15
Ba/La=10
Microprobe analyses
No data available
Isotopic analysis
No data available
Map
Documents
No data available
Geo3dat © 2011-2012. All rights reserved