GEOROC Sample Information
Location
Latitude 17.63 | Longitude -63.23
LESSER ANTILLES / LESSER ANTILLES / SABA
SE SIDE OF BUNKER HILL DOME
CONVERGENT MARGIN
Reference
BAKER P. E.,BUCKLEY F.,PADFIELD T.
PETROLOGY OF VOLCANIC ROCKS OF SABA, WEST INDIES
BULL. VOLCANOL. 43 [1980] 337-346
Sample Name: S123
Sample Information
ANDESITE / PORPHYRITIC TEXTURE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 18.15 WT% |
| CAO | 7.5 WT% |
| FE2O3 | 3.19 WT% |
| FEO | 3.23 WT% |
| H2OM | 0.02 WT% |
| H2OP | 0.22 WT% |
| K2O | 0.99 WT% |
| MGO | 2.57 WT% |
| MNO | 0.18 WT% |
| NA2O | 3.61 WT% |
| P2O5 | 0.16 WT% |
| SIO2 | 59.37 WT% |
| TIO2 | 0.61 WT% |
| BA | 370 PPM |
| CO | 15 PPM |
| CR | 30 PPM |
| CU | 30 PPM |
| NI | 5 PPM |
| RB | 21 PPM |
| SR | 390 PPM |
| Y | 18 PPM |
| ZN | 40 PPM |
| ZR | 90 PPM |
Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) AMPHIBOLE
| AL2O3 | 6.4 WT% |
| CAO | 10.5 WT% |
| CR2O3 | 0.05 WT% |
| FEOT | 13.2 WT% |
| K2O | 0.24 WT% |
| MGO | 15.4 WT% |
| MNO | 0.6 WT% |
| NA2O | 1.4 WT% |
| SIO2 | 48.6 WT% |
| TIO2 | 1 WT% |