GEOROC Sample Information
Location
Latitude 0.3 | Longitude -89.91
GALAPAGOS ISLANDS / GENOVESA (TOWER)
OCEAN ISLAND
Reference
MCBIRNEY A. R.,VICENZI E. P.,CULLEN A. B.
PLAGIOCLASE-ULTRAPHYRIC BASALTS OF THE GALAPAGOS ARCHIPELAGO
J. VOLCANOL. GEOTHERM. RES. 37 [1989] 325-337
Sample Name: E173-2
Sample Information
BASALT, PLAGIOCLASE / ULTRAPHYRIC TEXTURE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE
| AN | 86 MOL% |
| AL2O3 | 33.93 WT% |
| CAO | 17.36 WT% |
| K2O | 0.08 WT% |
| NA2O | 1.62 WT% |
| SIO2 | 47.71 WT% |