GEOROC Sample Information

Location
Latitude -18.1819 | Longitude -69.1764
ANDEAN ARC / CENTRAL ANDEAN VOLCANIC ZONE / CHILE / PARINACOTA
CONVERGENT MARGIN

Reference

ZINDLER A.,BOURDON B.,WÖRNER G.

U-SERIES EVIDENCE FOR CRUSTAL INVOLVEMENT AND MAGMA RESIDENCE TIMES IN THE PETROGENESIS OF PARINACOTA VOLCANO, CHILE

CONTRIB. MINERAL. PETROL. 139 [2000] 458-469

Sample Name: PAR220

Sample Information

ANDESITE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

TH230_TH232_ACT0.706 ± 0.0029
TH230_U238_ACT0.816
U234_U238_ACT0.994 ± 0.0033
U238_TH232_ACT0.865 ± 0.0018

Analyzed: WHOLE ROCK

U238_TH232_ACT0.8583 ± 0.0018

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) GROUNDMASS

TH230_TH232_ACT0.706 ± 0.004
U238_TH232_ACT0.8484 ± 0.0029

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) GROUNDMASS

TH230_TH232_ACT0.709 ± 0.003
U238_TH232_ACT0.8492 ± 0.0022

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) SPINEL

TH230_TH232_ACT0.678 ± 0.006
U238_TH232_ACT0.7208 ± 0.0035


Reference

WÖRNER G.,MAMANI M.,TASSARA A.

COMPOSITION AND STRUCTURAL CONTROL OF CRUSTAL DOMAINS IN THE CENTRAL ANDES

GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 9 [2008]

Sample Name: PAR 220

Sample Information

NOT GIVEN / LAVA
OUTCROP

Sample Age Information

HOLOCENE


Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

PB206_PB20418.067
PB207_PB20415.603
PB208_PB20437.988