GEOROC Sample Information
Location
Latitude 45.1 | Longitude 141.27
KURILE ARC / KURILE ARC / RISHIRI / RISHIRI / ARARAGIYAMA LAVA
CONVERGENT MARGIN
Reference
NAKAMURA E.,YOKOYAMA TETSUYA,KURITANI T.
GENERATION OF REAR-ARC MAGMAS INDUCED BY INFLUX OF SLAB-DERIVED SUPERCRITICAL LIQUIDS: IMPLICATIONS FROM ALKALI BASALT LAVAS FROM RISHIRI VOLCANO, KURILE ARC
J. PETROL. 49 [2008] 1319-1342
Sample Name: SN-2
Sample Information
ALKALI BASALT / APHYRIC TEXTURE
OUTCROP
Sample Age Information
4,200,000 years
to 8,000,000 years
NEOGENE
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
ND143_ND144 | 0.512929 ± 0.000003 |
PB206_PB204 | 18.366 |
PB207_PB204 | 15.518 |
PB208_PB204 | 38.249 |
SR87_SR86 | 0.703169 ± 0.000009 |
AL2O3 | 17.06 WT% |
CAO | 9.46 WT% |
FE2O3T | 10.69 WT% |
K2O | 0.76 WT% |
LOI | 0.42 WT% |
MGO | 8.09 WT% |
MNO | 0.18 WT% |
NA2O | 3.21 WT% |
P2O5 | 0.25 WT% |
SIO2 | 49.17 WT% |
TIO2 | 1.07 WT% |
CE | 27 PPM |
DY | 4.33 PPM |
ER | 2.64 PPM |
EU | 1.33 PPM |
GD | 4.08 PPM |
HO | 0.95 PPM |
LA | 11.6 PPM |
LU | 0.42 PPM |
ND | 15.6 PPM |
PR | 3.47 PPM |
SM | 3.65 PPM |
TB | 0.7 PPM |
TM | 0.41 PPM |
YB | 2.78 PPM |
B | 5.55 PPM |
BA | 174 PPM |
BE | 0.9 PPM |
CR | 283 PPM |
CS | 0.87 PPM |
HF | 2.31 PPM |
LI | 5.88 PPM |
NB | 4.09 PPM |
NI | 142 PPM |
PB | 1.83 PPM |
RB | 18.2 PPM |
SR | 392 PPM |
TA | 0.28 PPM |
TH | 1.67 PPM |
U | 0.49 PPM |
Y | 27.9 PPM |
ZR | 104 PPM |