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Geochronology, Geology, Geochemistry and Petrology
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AF - MA / MA401
Sample
Rock type
Basanite
Sampled at
Sampled by
El Azzouzi, Maury, Youbi, Kharbouch
Bibliography
Country
Maroc
Region
Moyen Atlas
Zone
Longitude
5 DD 5° 0' 0''
Latitude
33 DD 33° 0' 0''
Altitude
1450 m
Body of water
Comments
Whole rock K-Ar dating
Analysis 1
Reference
MA401
Method
Technique
Age
15.62 Ma
Age incertitude
0 Ka
Precision
Sigma
±1
Comments
Mineral K-Ar dating
No data available
Major elements analysis
Analysis 1
Precision
SiO2
40.6
TiO2
2.98
Al2O3
11.6
Fe2O3
13.4
MnO
0.2
MgO
12.3
CaO
12.5
Na2O
3.3
K2O
1.43
P2OR
1.12
Total
99.38
Loss on ignition
-0.05
Comments
Trace elements analysis
Analysis 1
Precision
Rb
38.3
Ba
632
Th
9
Nb
91
La
80
Ce
150
Sr
1125
Nd
63
Sm
11.7
Zr
305
Eu
3.32
Gd
9
Dy
6
Y
29
Er
2.7
Yb
1.98
Sc
24.5
V
270
Cr
412
Co
57
Ni
286
Cu
Comments
Microprobe analyses
No data available
Isotopic analysis
Analysis #1
87Sr/87Sr
0.703223
143Nd/144Nd
206Pb/204Pb
207Pb/204Pb
208Pb/204Pb
Comments
Map
Documents
No data available
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