GEOROC Sample Information

Location
Latitude 37.8 | Longitude -25.5
AZORES / SAO MIGUEL / AGUA DE PAO
FOGO D
OCEAN ISLAND

Reference

STOREY M.

TRACHYTIC PYROCLASTICS FROM AGUA DE PAU VOLCANO, SAO MIGUEL, AZORES: EVOLUTION OF A MAGMA BODY OVER 4000 YEARS

CONTRIB. MINERAL. PETROL. 78 [1982] 423-432

Sample Name: P444

Sample Information

TRACHYTE / GLASSY TO CRYPTOCRYSTALLINE TEXTURE / PUMICE
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: MINERAL / COMPONENT (INCL. GROUNDMASS) BIOTITE

AL2O312.43 WT%
COO0.21 WT%
FEOT19.18 WT%
K2O8.63 WT%
MGO11.55 WT%
MNO0.4 WT%
NA2O0.92 WT%
SIO238.58 WT%
TIO26.78 WT%