| JB-1A | Basalt | Page Last Updated: |
| Saturday, December 04, 1999 |
| Page 1 of 3 |
| ________________________________________________________________________________ |
| Producer: | Geological Survey of Japan |
| Material Source: | Replacement sample of JB-1 |
| Date Released: | 1984 |
| Production Ref: | 95IMA - 01 |
| _________________________________________________________________________________ |
| Constituent | Concentration | Uncertainty | Units | N | Data Quality | Data Source |
| _________________________________________________________________________________ |
| Major Oxides |
| Al2O3 | 14.45 | % | Recommended value | 94TER - 01 |
| CaO | 9.31 | % | Recommended value | 94TER - 01 |
| Fe2O3 | 2.55 | % | Recommended value | 94TER - 01 |
| Fe2O3-T | 9.05 | % | Recommended value | 94TER - 01 |
| FeO | 5.78 | % | Recommended value | 94TER - 01 |
| H2O+ | 0.92 | % | Recommended value | 94TER - 01 |
| H2O- | 0.92 | % | Recommended value | 94TER - 01 |
| K2O | 1.4 | % | Recommended value | 94TER - 01 |
| MgO | 7.83 | % | Recommended value | 94TER - 01 |
| MnO | 0.148 | % | Recommended value | 94TER - 01 |
| Na2O | 2.73 | % | Recommended value | 94TER - 01 |
| P2O5 | 0.26 | % | Recommended value | 94TER - 01 |
| SiO2 | 52.41 | % | Recommended value | 94TER - 01 |
| TiO2 | 1.28 | % | Recommended value | 94TER - 01 |
| Oxide Sum | 100.1 | % | Not provided by compiler | 95IMA - 01 |
| Minor Oxides |
| B2O3 | 2.53736E-03 | 9.7244E-04 | % | 8 | Recommended value | 95IMA - 01 |
| BaO | 0.0562716 | 0.0029029 | % | 35 | Recommended value | 95IMA - 01 |
| Cr2O3 | 5.729276E-02 | 0.0058462 | % | 36 | Recommended value | 95IMA - 01 |
| SrO | 5.227136E-02 | 2.246959E-03 | % | 44 | Recommended value | 95IMA - 01 |
| ZnO | 1.021948E-02 | 6.348276E-04 | % | 32 | Recommended value | 95IMA - 01 |
| ZrO2 | 0.01944 | 0.0012825 | % | 35 | Recommended value | 95IMA - 01 |