GEOROC Sample Information
Location
Latitude 37 | Longitude 138
HONSHU ARC / CENTRAL HONSHU ARC / HONSHU / MYOKO
MYOKO VOLCANO GROUP
CONVERGENT MARGIN
Reference
SAKUYAMA M.
PETROLOGICAL STUDY OF THE MYOKO AND KUROHIME VOLCANOES, JAPAN: CRYSTALLIZATION SEQUENCE AND EVIDENCE FOR MAGMA MIXING
J. PETROL. 22 [1981] 553-583
Sample Name: MK489-13
Sample Information
ANDESITE, BASALTIC / PORPHYRITIC TEXTURE
OUTCROP
Sample Age Information
QUATERNARY
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 22.52 ± 0.8 WT% |
| CAO | 9.68 ± 0.2 WT% |
| FE2O3T | 7.92 ± 0.5 WT% |
| K2O | 1.31 ± 0.08 WT% |
| MGO | 2.63 ± 0.4 WT% |
| MNO | 0.13 ± 0.02 WT% |
| NA2O | 2.22 ± 0.18 WT% |
| P2O5 | 0.29 ± 0.06 WT% |
| SIO2 | 53.83 ± 1.4 WT% |
| TIO2 | 0.83 ± 0.05 WT% |