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_PB204 | 18.329 |
| PB207_PB204 | 15.523 |
| PB208_PB204 | 38.195 |
| D11B | -4.269 ‰ |
| AL2O3 | 17.61 WT% |
| CAO | 5.45 WT% |
| FE2O3 | 2.97 WT% |
| FEO | 3.63 WT% |
| H2OP | 0.61 ± 0.05 WT% |
| K2O | 1.27 WT% |
| MGO | 2.36 WT% |
| MNO | 0.15 WT% |
| NA2O | 5.4 WT% |
| P2O5 | 0.48 WT% |
| SIO2 | 59.24 WT% |
| TIO2 | 1.04 WT% |
| CE | 55.2 PPM |
| DY | 5.69 PPM |
| ER | 3.29 PPM |
| EU | 1.87 PPM |
| GD | 5.79 PPM |
| HO | 1.19 PPM |
| LA | 25.5 PPM |
| LU | 0.55 PPM |
| ND | 27.5 PPM |
| PR | 6.65 PPM |
| SM | 5.6 PPM |
| TB | 0.94 PPM |
| TM | 0.53 PPM |
| YB | 3.72 PPM |
| B | 6.5 PPM |
| BA | 285 PPM |
| CR | 2 PPM |
| CS | 0.45 PPM |
| HF | 5.42 PPM |
| LI | 11.2 PPM |
| NB | 8.05 PPM |
| NI | 3 PPM |
| PB | 5.14 PPM |
| RB | 32.9 PPM |
| SR | 495 PPM |
| TA | 0.59 PPM |
| TH | 3.72 PPM |
| U | 1.1 PPM |
| Y | 36.3 PPM |
| ZR | 271 PPM |