GEOROC Sample Information
Location
Latitude 45.1 | Longitude 141.27
KURILE ARC / KURILE ARC / RISHIRI / RISHIRI / KUTSUGATA LAVA
CONVERGENT MARGIN
Reference
YOSHIDA T.,YAMAGUCHI T.,KAWASAKI Y.
INTERNAL STRUCTURE OF KUTSUGATA LAVA FLOW, RISHIRI VOLCANO
J. JPN. ASSOC. MINERAL. PETROL. ECON. GEOL. (GANSEKI KOBUTSU KOSHO GAKKAI-SHI) 76 [1981] 181-194
Sample Name: 16CP, 78072502
Sample Information
NOT GIVEN / PORPHYRITIC TEXTURE / LAVA, PORPHYRITIC PART OF CYLINDER
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 14.9 WT% |
| CAO | 8.05 WT% |
| FE2O3 | 4.72 WT% |
| FEO | 6.57 WT% |
| H2OM | 0.21 WT% |
| H2OP | 0.11 WT% |
| K2O | 0.76 WT% |
| MGO | 6.96 WT% |
| MNO | 0.19 WT% |
| NA2O | 4.24 WT% |
| P2O5 | 0.38 WT% |
| SIO2 | 50.61 WT% |
| TIO2 | 1.87 WT% |