GEOROC Sample Information

Location
Latitude -14.995 | Longitude -73.1433
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / PERU / CERRO HUANCARAMA / BARROSO FORMATION
NW FLANK OF CERRO HUANCARAMA
CONVERGENT MARGIN

Reference

NOTSU K.,LAJO J. A.

REGIONAL VARIATION OF 87SR/86SR RATIO IN LATE CENOZOIC VOLCANIC ROCKS FROM SOUTHERN PERU

GEOCHEM. J. 18 [1984] 241-250

Sample Name: PPD101

Sample Information

ANDESITE
OUTCROP

Sample Age Information

UPPER CENOZOIC


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

RB87_SR860.097
SR87_SR860.70608
RB84 PPM
SR2525 PPM


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: PPD-101

Sample Information

ANDESITE, AUGITE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O316.73 WT%
CAO7.32 WT%
FE2O3T7.36 WT%
K2O4.03 WT%
MGO3.8 WT%
MNO0.11 WT%
NA2O3.42 WT%
P2O50.97 WT%
SIO254.92 WT%
TIO21.35 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: PPD-101

Sample Information

BASALT
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

BA3920 PPM
CA50900 PPM
SR2800 PPM