| JSl-2 | Slate | Page Last Updated: |
| Saturday, December 04, 1999 |
| Page 1 of 3 |
| ________________________________________________________________________________ |
| Producer: | Geological Survey of Japan |
| Material Source: | Toyama clay slate, Permian, Okatsu-cho, Miyagi Prefecture |
| Date Released: | 1989 |
| Production Ref: | 93ITO - 01 |
| _________________________________________________________________________________ |
| Constituent | Concentration | Uncertainty | Units | N | Data Quality | Data Source |
| _________________________________________________________________________________ |
| Major Oxides |
| Al2O3 | 18.17 | 0.319 | % | 16 | Recommended value | 96IMA - 01 |
| CaO | 1.885 | 0.0588 | % | 16 | Recommended value | 96IMA - 01 |
| CO2 | 1.236 | 0.103 | % | 4 | Provisional value | 96IMA - 01 |
| Fe2O3 | 0.959 | 0.297 | % | 7 | Recommended value | 96IMA - 01 |
| Fe2O3-T | 6.65 | 0.238 | % | 15 | Recommended value | 96IMA - 01 |
| FeO | 5.048 | 0.254 | % | 8 | Recommended value | 96IMA - 01 |
| H2O+ | 4.158 | 0.161 | % | 5 | Recommended value | 96IMA - 01 |
| H2O- | 0.362 | 0.12 | % | 6 | Recommended value | 96IMA - 01 |
| K2O | 3.008 | 0.136 | % | 16 | Recommended value | 96IMA - 01 |
| MgO | 2.385 | 0.0614 | % | 16 | Recommended value | 96IMA - 01 |
| MnO | 0.0818 | 0.00591 | % | 17 | Recommended value | 96IMA - 01 |
| Na2O | 1.344 | 0.06 | % | 17 | Recommended value | 96IMA - 01 |
| P2O5 | 0.164 | 0.021 | % | 13 | Recommended value | 96IMA - 01 |
| SiO2 | 59.45 | 0.223 | % | 11 | Recommended value | 96IMA - 01 |
| TiO2 | 0.754 | 0.0145 | % | 14 | Recommended value | 96IMA - 01 |
| Minor Oxides |
| B2O3 | 0.0161 | % | 1 | Not provided by compiler | 96IMA - 01 |
| BaO | 0.0337183 | 1.92038E-03 | % | 13 | Recommended value | 96IMA - 01 |
| Cr2O3 | 9.456228E-03 | 6.766976E-04 | % | 16 | Recommended value | 96IMA - 01 |
| SrO | 2.720003E-02 | 4.221918E-04 | % | 12 | Recommended value | 96IMA - 01 |
| ZnO | 1.257208E-02 | 8.862691E-04 | % | 13 | Recommended value | 96IMA - 01 |
| ZrO2 | 0.025785 | 0.0006912 | % | 7 | Recommended value | 96IMA - 01 |