GEOROC Sample Information
Location
Latitude 32.75 | Longitude -17
MADEIRA ARCHIPELAGO / MADEIRA
OCEAN ISLAND
Reference
MUNHA J.,MATA J.
MADEIRA ISLAND ALKALINE LAVA SPINELS: PETROGENETIC IMPLICATIONS
MINERAL. PETROL. 81 [2004] 85-111
Sample Name: M-259
Sample Information
ALKALI BASALT / FRESH
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) TITANO-MAGNETITE
| AL2O3 | 2.77 WT% |
| CR2O3 | 0.08 WT% |
| FE2O3 | 19.37 WT% |
| FEO | 50.97 WT% |
| MGO | 1.06 WT% |
| MNO | 0.76 WT% |
| TIO2 | 23.75 WT% |
| V2O3 | 0.45 WT% |