GEOROC Sample Information

Location
Latitude 45.1 | Longitude 141.27
KURILE ARC / KURILE ARC / RISHIRI / RISHIRI / TANETOMI LAVA
RISHIRI QUARRY, LOWER LAVA 2, 9 M FRON BOTTOM
CONVERGENT MARGIN

Reference

NAKAMURA E.,KURITANI T.

ELEMENTAL FRACTIONATION IN LAVAS DURING POST-ERUPTIVE DEGASSING: EVIDENCE FROM TRACHYTIC LAVAS, RISHIRI VOLCANO, JAPAN

J. VOLCANOL. GEOTHERM. RES. 149 [2006] 124-138

Sample Name: TA-5

Sample Information

ANDESITE, TRACHYTIC / APHYRIC TEXTURE / MAIN FLOW UNIT
OUTCROP

Sample Age Information

No sample age information given.

Chemistry (and, if given, analytical ages)

Analyzed: WHOLE ROCK

PB206_PB20418.329
PB207_PB20415.523
PB208_PB20438.195
D11B-4.269
AL2O317.61 WT%
CAO5.45 WT%
FE2O32.97 WT%
FEO3.63 WT%
H2OP0.61 ± 0.05 WT%
K2O1.27 WT%
MGO2.36 WT%
MNO0.15 WT%
NA2O5.4 WT%
P2O50.48 WT%
SIO259.24 WT%
TIO21.04 WT%
CE55.2 PPM
DY5.69 PPM
ER3.29 PPM
EU1.87 PPM
GD5.79 PPM
HO1.19 PPM
LA25.5 PPM
LU0.55 PPM
ND27.5 PPM
PR6.65 PPM
SM5.6 PPM
TB0.94 PPM
TM0.53 PPM
YB3.72 PPM
B6.5 PPM
BA285 PPM
CR2 PPM
CS0.45 PPM
HF5.42 PPM
LI11.2 PPM
NB8.05 PPM
NI3 PPM
PB5.14 PPM
RB32.9 PPM
SR495 PPM
TA0.59 PPM
TH3.72 PPM
U1.1 PPM
Y36.3 PPM
ZR271 PPM