GEOROC Sample Information
Location
Latitude 45.1 | Longitude 141.27
KURILE ARC / KURILE ARC / RISHIRI / RISHIRI
CONVERGENT MARGIN
Reference
NAKAGAWA M.,ISHIZUKA Y
PETROLOGICAL EVOLUTION OF RISHIRI VOLCANO, NORTHERN HOKKAIDO, JAPAN
J. JPN. ASSOC. MINERAL. PETROL. ECON. GEOL. (GANSEKI KOBUTSU KOSHO GAKKAI-SHI) 94 [1999] 279-294
Sample Name: OCH520
Sample Information
NOT GIVEN
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17.3 WT% |
| CAO | 9.29 WT% |
| FE2O3 | 9.7 WT% |
| K2O | 0.77 WT% |
| MGO | 5.35 WT% |
| MNO | 0.15 WT% |
| NA2O | 4.14 WT% |
| P2O5 | 0.29 WT% |
| SIO2 | 51.15 WT% |
| TIO2 | 1.43 WT% |
| BA | 103 PPM |
| CR | 96 PPM |
| NB | 43 PPM |
| NI | 37 PPM |
| PB | 6.2 PPM |
| RB | 20.1 PPM |
| SC | 30 PPM |
| SR | 422 PPM |
| TH | 2.6 PPM |
| Y | 31 PPM |
| ZR | 172 PPM |