GEOROC Sample Information
Location
Latitude 14.76 | Longitude -91.55
CENTRAL AMERICAN VOLCANIC ARC / CENTRAL AMERICAN VOLCANIC ARC-NORTHWESTERN SEGMENT / GUATEMALA / SANTA MARIA / LA MITAD FLOW
SANTIAGUITO, BASE OF LA MITAD FLOW, W OF SAPPER FUMAROLE
CONVERGENT MARGIN
Reference
ROSE W. I. JR.
SANTIAGUITO VOLCANIC DOME, GUATEMALA
BULL. GEOL. SOC. AM. 83 [1972] 1413-1434
Sample Name: 1023
Sample Information
DACITE
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17.2 WT% |
| CAO | 5.4 WT% |
| FE2O3 | 3.3 WT% |
| FEO | 2 WT% |
| H2OM | 0.2 WT% |
| H2OP | 0 WT% |
| K2O | 1.48 WT% |
| MGO | 1.97 WT% |
| NA2O | 4.8 WT% |
| P2O5 | 0.2 WT% |
| SIO2 | 61.8 WT% |
| TIO2 | 0.53 WT% |
| RB | 27 PPM |
| SR | 516 PPM |