GEOROC Sample Information
Location
Latitude 29.85 | Longitude 129.87
RYUKYU ARC / RYUKYU ARC / NAKANO-SHIMA/NAKANOJIMA / NAKANO-SHIMA
CONVERGENT MARGIN
Reference
TIBA T.
PETROCHEMISTRY OF THE VOLCANIC ROCKS FROM KUCHINO-SHIMA, NAKANO-SHIMA AND SUWANOSE-JIMA, TOKARA ISLANDS
MEM. NAT. SCI. MUS. TOKYO 22 [1989] 7-19
Sample Name: NA56
Sample Information
ANDESITE, CLINOPYROXENE-ORTHOPYROXENE / HIGHLY PORPHYRITIC TEXTURE / BLOCK
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17.96 WT% |
| CAO | 8.8 WT% |
| FE2O3 | 4.36 WT% |
| FEO | 3.42 WT% |
| H2OM | 0.2 WT% |
| H2OP | 0.33 WT% |
| K2O | 0.71 WT% |
| MGO | 4.66 WT% |
| MNO | 0.14 WT% |
| NA2O | 2.46 WT% |
| P2O5 | 0.08 WT% |
| SIO2 | 56.28 WT% |
| TIO2 | 0.59 WT% |
| CE | 23.2 PPM |
| BA | 140 PPM |
| CR | 14.2 PPM |
| CU | 60.1 PPM |
| NB | 5 PPM |
| NI | 14.8 PPM |
| RB | 26.2 PPM |
| SR | 245 PPM |
| V | 189 PPM |
| Y | 17.5 PPM |
| ZN | 62.5 PPM |
| ZR | 65.2 PPM |