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-120
Sample Information
BASANITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 12.52 WT% |
| CAO | 11.65 WT% |
| FE2O3T | 13.46 WT% |
| K2O | 0.77 WT% |
| LOI | 0.31 WT% |
| MGO | 12.15 WT% |
| MNO | 0.19 WT% |
| NA2O | 3.36 WT% |
| P2O5 | 0.6 WT% |
| SIO2 | 43.3 WT% |
| TIO2 | 2.54 WT% |
| CE | 73 PPM |
| LA | 34 PPM |
| SM | 7.2 PPM |
| CR | 712 PPM |
| CU | 62 PPM |
| NB | 50 PPM |
| TH | 3.1 PPM |
| V | 365 PPM |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) TITANO-MAGNETITE
| AL2O3 | 2.34 WT% |
| CR2O3 | 0.03 WT% |
| FE2O3 | 44.21 WT% |
| FEO | 32.49 WT% |
| MGO | 6.21 WT% |
| MNO | 0.69 WT% |
| TIO2 | 12.54 WT% |
| V2O3 | 0.32 WT% |