Sample

TP 06

TP 07

Pétrography

Lamprophyre

Basalt

Majors elements (%)

SiO₂

51.7

50.5

TiO₂

0.26

0.99

Al₂O₃

16.05

14.2

Fe₂O₃T

9.39

12.75

MnO

0.16

0.2

MgO

10.15

6.34

CaO

9.83

10.95

Na₂O

2.38

1.86

K₂O

0.15

0.19

P₂O₅

0.06

0.08

Total

100.13

98.06

A/CNK

0.73

0.61