GEOROC Sample Information

Location
Latitude 4.895 | Longitude -75.323
ANDEAN ARC / NORTHERN ANDEAN VOLCANIC ZONE / COLOMBIA / NEVADO DEL RUIZ
EAST OF ARENAS CRATER, NOVEMBER 13, 1985 ERUPTION, BASE OF CALVACHE SECTION MC-1
CONVERGENT MARGIN

Reference

CALVACHE M. L. V.

PYROCLASTIC DEPOSITS OF THE NOVEMBER 13, 1985 ERUPTION OF NEVADO DEL RUIZ VOLCANO, COLOMBIA

J. VOLCANOL. GEOTHERM. RES. 41 [1990] 67-78

Sample Name: C

Sample Information

NOT GIVEN / PUMICE
OUTCROP

Sample Age Information

11/13/1985 eruption

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

AL2O315.04 WT%
CAO5.87 WT%
FEOT3.47 WT%
K2O2.2 WT%
MGO4.84 WT%
NA2O4.34 WT%
P2O50.2 WT%
SIO259.73 WT%
TIO20.72 WT%