GEOROC Sample Information

Location
Latitude -15.56 | Longitude -72.7333
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / PERU
S OF CERRO REYUSJA AND 2 KM NW OF LAGUNA PALLACOCHA
CONVERGENT MARGIN

Reference

ARAMAKI S.,ONUMA N.,PORTILLO F.

PETROGRAPHY AND MAJOR ELEMENT CHEMISTRY OF THE VOLCANIC ROCKS OF THE ANDES

GEOCHEM. J. 18 [1984] 217-232

Sample Name: CS-14

Sample Information

ANDESITE, AUGITE-HYPERSTHENE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O316.95 WT%
CAO4.51 WT%
FE2O3T5.45 WT%
K2O3.1 WT%
MGO2.34 WT%
MNO0.06 WT%
NA2O4.17 WT%
P2O50.28 WT%
SIO262.21 WT%
TIO20.93 WT%


Reference

ONUMA N.,MONTOYA M.

SR/CA-BA/CA SYSTEMATICS OF VOLCANIC ROCKS FROM THE CENTRAL ANDES, SOUTHERN PERU, AND ITS IMPLICATIONS FOR ANDEAN MAGMATISM

GEOCHEM. J. 18 [1984] 251-262

Sample Name: CS-14

Sample Information

ANDESITE, AUGITE-HYPERSTHENE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

BA1180 PPM
CA32400 PPM
SR817 PPM