GEOROC Sample Information
Location
Latitude 32.75 | Longitude -17
MADEIRA ARCHIPELAGO / MADEIRA
OCEAN ISLAND
Reference
HUGHES D. J.,BROWN G. C.
BASALTS FROM MADEIRA: A PETROCHEMICAL CONTRIBUTION TO THE GENESIS OF OCEANIC ALKALI ROCK SERIES
CONTRIB. MINERAL. PETROL. 37 [1972] 91-109
Sample Name: 5
Sample Information
WEHRLITE, XENOLITH
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) CLINOPYROXENE
| EN | 47 MOL% |
| FS | 7.8 MOL% |
| WO | 45.2 MOL% |
| AL2O3 | 6.08 WT% |
| CAO | 21.22 WT% |
| CR2O3 | 0.78 WT% |
| FEOT | 4.5 WT% |
| MGO | 15.84 WT% |
| MNO | 0.15 WT% |
| NA2O | 0.68 WT% |
| SIO2 | 49.76 WT% |
| TIO2 | 0.74 WT% |