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: 131
Sample Information
ANDESITE
OUTCROP
Sample Age Information
NEOGENE
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
AL2O3 | 17.84 WT% |
CAO | 5.28 WT% |
FE2O3 | 3.31 WT% |
FEO | 2.38 WT% |
FEOT | 5.36 WT% |
K2O | 1.36 WT% |
LOI | 0.92 WT% |
MGO | 2.88 WT% |
MNO | 0.13 WT% |
NA2O | 3.58 WT% |
P2O5 | 0.21 WT% |
SIO2 | 62.49 WT% |
TIO2 | 0.52 WT% |
CE | 25 PPM |
LA | 11 PPM |
BA | 669 PPM |
CO | 19 PPM |
CR | 7 PPM |
NB | 4 PPM |
NI | 4 PPM |
RB | 25 PPM |
SR | 369 PPM |
V | 105 PPM |
Y | 18 PPM |
ZR | 107 PPM |