GEOROC Sample Information

Location
Latitude -25.17 | Longitude -68.52
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / CHILE / LASTARRIA
STRATOVOLCANO
CONVERGENT MARGIN

Reference

NARANJO J. A.

CHEMISTRY AND PETROLOGICAL EVOLUTION OF THE LASTARRIA VOLCANIC COMPLEX IN THE NORTH CHILEAN ANDES

GEOL. MAG. 129 [1992] 723-740

Sample Name: 2

Sample Information

NOT GIVEN
OUTCROP

Sample Age Information

HOLOCENE


Chemistry (and, if given, analytical ages)

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) PLAGIOCLASE

AN45.2 MOL%
AL2O326.65 WT%
CAO9.19 WT%
FEOT0.39 WT%
K2O0.6 WT%
NA2O5.77 WT%
SIO256.74 WT%
SRO0.16 WT%