GEOROC Sample Information

Location
Latitude 4.895 | Longitude -75.323
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / COLOMBIA / NEVADO DEL RUIZ
RIO AZUFRADO
CONVERGENT MARGIN

Reference

GOURGAUD A.,THOURET J.-C.

MAGMA MIXING AND PETROGENESIS OF THE 13 NOVEMBER 1985 ERUPTIVE PRODUCTS AT NEVADO DEL RUIZ (COLOMBIA)

J. VOLCANOL. GEOTHERM. RES. 41 [1990] 79-96

Sample Name: AG19

Sample Information

ANDESITE / BLACK SCORIA
OUTCROP

Sample Age Information

11/13/1985 eruption

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O315.6 WT%
CAO6.3 WT%
FE2O34.26 WT%
FEO2.2 WT%
H2OP0.04 WT%
K2O2.3 WT%
MGO5.8 WT%
MNO0.1 WT%
NA2O3.7 WT%
SIO259.7 WT%
TIO20.9 WT%