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: NA58
Sample Information
ANDESITE, ORTHOPYROXENE-CLINOPYROXENE / HIGHLY PORPHYRITIC TEXTURE / LAVA
OUTCROP
Sample Age Information
No sample age information given.
Chemistry (and, if given, analytical ages)
Analyzed: WHOLE ROCK
| AL2O3 | 17.3 WT% |
| CAO | 7.44 WT% |
| FE2O3 | 4.04 WT% |
| FEO | 3.32 WT% |
| H2OM | 0.25 WT% |
| H2OP | 0.25 WT% |
| K2O | 0.91 WT% |
| MGO | 3.67 WT% |
| MNO | 0.15 WT% |
| NA2O | 3.01 WT% |
| P2O5 | 0.11 WT% |
| SIO2 | 58.92 WT% |
| TIO2 | 0.64 WT% |
| CE | 24.5 PPM |
| BA | 126 PPM |
| CR | 7.7 PPM |
| CU | 36.4 PPM |
| NB | 6.5 PPM |
| NI | 9.8 PPM |
| RB | 29.8 PPM |
| SR | 242 PPM |
| V | 182 PPM |
| Y | 21.1 PPM |
| ZN | 69.3 PPM |
| ZR | 78.2 PPM |