GEOROC Sample Information
Location
Latitude 37.8 | Longitude -25.5
AZORES / SAO MIGUEL / AGUA DE PAO
INTRUSION IN FOGO A
OCEAN ISLAND
Reference
GILL J. B.,SCHMINCKE H.-U.,WIDOM E.
SYENITE NODULES AS A LONG-TERM RECORD OF MAGMATIC ACTIVITY IN AGUA DE PAO VOLCANO, SAO MIGUEL, AZORES
J. PETROL. 34 [1993] 929-953
Sample Name: SMFA6T1
Sample Information
SYENITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17.04 WT% |
| CAO | 0.72 WT% |
| CO2 | 0.05 WT% |
| FE2O3 | 1.34 WT% |
| FEO | 2.08 WT% |
| H2O | 0.25 WT% |
| K2O | 5.49 WT% |
| MGO | 0.31 WT% |
| MNO | 0.2 WT% |
| NA2O | 7.28 WT% |
| P2O5 | 0.05 WT% |
| SIO2 | 64.3 WT% |
| TIO2 | 0.43 WT% |
| BA | 36 PPM |
| CO | 41 PPM |
| CR | 0 PPM |
| CU | 0 PPM |
| NB | 223 PPM |
| NI | 0 PPM |
| RB | 200 PPM |
| SR | 31 PPM |
| TH | 34.69 PPM |
| U | 7.13 PPM |
| V | 8 PPM |
| Y | 54 PPM |
| ZN | 123 PPM |
| ZR | 1136 PPM |
| PO210_TH230 | 0.935 |
| TH230_TH232_ACT | 0.868 |
| TH230_U238_ACT | 1.391 |
| U234_U238_ACT | 0.977 |
| U238_TH232_ACT | 0.624 |