GEOROC Sample Information
Location
Location was not specified by exact coordinates in the paper!
Latitude 13.56 to 13.63 | Longitude -88.78 to -88.85
CENTRAL AMERICAN VOLCANIC ARC / CENTRAL AMERICAN VOLCANIC ARC-NORTHWESTERN SEGMENT / EL SALVADOR / CHICHONTEPEC (CINOTEPEC)
POST-CALDERA STAGE
CONVERGENT MARGIN
Reference
ROTOLO S. G.,CASTORINA F.
TRANSITION FROM MILDLY-THOLEIITIC TO CALC-ALKALINE SUITE: THE CASE OF CHICHONTEPEC VOLCANIC CENTER, EL SALVADOR, CENTRAL AMERICA
J. VOLCANOL. GEOTHERM. RES. 86 [1998] 117-136
Sample Name: 133
Sample Information
ANDESITE
OUTCROP
Sample Age Information
NEOGENE
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| ND143_ND144 | 0.51302 |
| SR87_SR86 | 0.70385 |
| AL2O3 | 17.8 WT% |
| CAO | 5.17 WT% |
| FE2O3 | 2.73 WT% |
| FEO | 2.93 WT% |
| FEOT | 5.38 WT% |
| K2O | 1.37 WT% |
| LOI | 0.99 WT% |
| MGO | 2.92 WT% |
| MNO | 0.14 WT% |
| NA2O | 3.57 WT% |
| P2O5 | 0.16 WT% |
| SIO2 | 62.7 WT% |
| TIO2 | 0.52 WT% |
| CE | 24 PPM |
| LA | 10 PPM |
| BA | 663 PPM |
| CO | 18 PPM |
| CR | 7 PPM |
| NB | 3 PPM |
| NI | 4 PPM |
| RB | 25 PPM |
| SR | 396 PPM |
| V | 116 PPM |
| Y | 19 PPM |
| ZR | 108 PPM |