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: NA24
Sample Information
ANDESITE, ORTHOPYROXENE-CLINOPYROXENE / 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 | 8.82 WT% |
| FE2O3 | 4.02 WT% |
| FEO | 3.59 WT% |
| H2OM | 0.4 WT% |
| H2OP | 0.21 WT% |
| K2O | 0.73 WT% |
| MGO | 4.82 WT% |
| MNO | 0.14 WT% |
| NA2O | 2.22 WT% |
| P2O5 | 0.08 WT% |
| SIO2 | 56.44 WT% |
| TIO2 | 0.57 WT% |
| CE | 28.7 PPM |
| BA | 133 PPM |
| CR | 16.6 PPM |
| CU | 56 PPM |
| NB | 10.8 PPM |
| NI | 19.1 PPM |
| RB | 27.9 PPM |
| SR | 229 PPM |
| V | 214 PPM |
| Y | 19.4 PPM |
| ZN | 68.9 PPM |
| ZR | 57.7 PPM |