GEOROC Sample Information

Location
Latitude 64.02 | Longitude -19.65
ICELAND / ICELAND / HEKLA / H3 TEPHRA
OFAERUGIL, 8.5 KM NW OF HEKLA
OCEAN ISLAND

Reference

SVERRISDOTTIR G.

HYBRID MAGMA GENERATION PRECEDING PLINIAN SILICIC ERUPTIONS AT HEKLA, ICELAND: EVIDENCE FROM MINERALOGY AND CHEMISTRY OF TWO ZONED DEPOSITS

GEOL. MAG. 144 [2007] 643-659

Sample Name: H3-3

Sample Information

NOT GIVEN / PUMICE / FRESH
OUTCROP

Sample Age Information

2,950 years
to 3,040 years
HOLOCENE


Chemistry (and, if given, analytical ages)

Analyzed: VOLCANIC GLASS

AL2O313.7 ± 0.32 WT%
CAO2.15 ± 0.14 WT%
FEOT2.93 ± 0.21 WT%
K2O2.5 ± 0.05 WT%
MGO0.14 ± 0.08 WT%
MNO0.1 ± 0.08 WT%
NA2O5.18 ± 0.29 WT%
P2O50 ± 0 WT%
SIO271.8 ± 0.58 WT%
TIO20.23 ± 0 WT%