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ASI - PH MNO / P 90-36

Sample

Rock type
Basalte tholeiitique
Sampled at
Sampled by
Bibliography
Magmatic response to abrupt changes in geodynamic settings : Pli
Country
Philippines
Region
Mindanao / Zamboanga Peninsula
Zone
Mt. Kaladis
Longitude
122.9 DD     122° 54' 0''
Latitude
7.8 DD     7° 47' 1''
Altitude
0 m
Body of water
Océan Pacifique
Comments

Whole rock K-Ar dating

Analysis 1

Reference
B3023-3
Method
K-Ar
Technique
Age
1.21 Ma
Age incertitude
0.24 Ma
Precision
0
Sigma
±0
K2O
0.52 %
Fused mass
0 g
40ArR/40ArT
4.24 %
40ArR
1.63 10-7cm3.g-1
36Ar
1.24 exp 10-9cm3
Comments

Analysis 2

Reference
B2976-6AA
Method
K-Ar
Technique
Age
1.92 Ma
Age incertitude
0.17 Ma
Precision
0
Sigma
±0
K2O
0.52 %
Fused mass
0.8015 g
40ArR/40ArT
6.76 %
40ArR
4.78 10-7cm3.g-1
36Ar
1.21 exp 10-9cm3
Comments

Mineral K-Ar dating

No data available

Major elements analysis

Analysis 1

Precision
0
SiO2
49.4
TiO2
1.87
Al2O3
15.32
Fe2O3
11.18
MnO
0.13
MgO
7.04
CaO
9.07
Na2O
2.86
K2O
0.43
P2OR
0.29
Total
100.31
Loss on ignition
2.72
Comments

Trace elements analysis

Analysis 1

Precision
Rb
7.2
Ba
132
Th
Nb
15.8
La
12
Ce
22
Sr
383
Nd
17
Sm
Zr
116
Eu
1.5
Gd
Dy
4.3
Y
23
Er
2.4
Yb
1.65
Sc
23
V
200
Cr
220
Co
41
Ni
158
Cu
Comments
Sr/Y=17 La/Yb=7.3 Ba/Nb=8 Ba/La=11

Microprobe analyses

No data available

Isotopic analysis

No data available

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