GEOROC Sample Information

Location
Latitude -16.805 | Longitude -70.535
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / PERU / CERRO CHINILACA
N OF PAMPA DE HUAMAJALSO
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: OM-05

Sample Information

ANDESITE, AUGITE-HORNBLENDE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O317.46 WT%
CAO5.43 WT%
FE2O3T6.14 WT%
K2O2.28 WT%
MGO3.26 WT%
MNO0.08 WT%
NA2O3.76 WT%
P2O50.17 WT%
SIO260.66 WT%
TIO20.76 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: OM-05

Sample Information

ANDESITE, AUGITE-HORNBLENDE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

BA782 PPM
CA39000 PPM
SR722 PPM