| GXR-4 | Copper-Mill Heads | Page Last Updated: |
| Saturday, December 04, 1999 |
| Page 1 of 3 |
| ________________________________________________________________________________ |
| Producer: | United States Geological Survey |
| Material Source: | Utah, USA |
| Date Released: | 1975 |
| Production Ref: | 75ALL - 01 |
| _________________________________________________________________________________ |
| Constituent | Concentration | Uncertainty | Units | N | Data Quality | Data Source |
| _________________________________________________________________________________ |
| Major Oxides |
| Al2O3 | 13.6 | 1.3 | % | 17 | Provisional value | 90GLA - 02 |
| CaO | 1.41 | 0.07 | % | 30 | Recommended value | 90GLA - 02 |
| CO2 | 0.19 | % | 4 | Provisional value | 90GLA - 02 |
| Fe2O3 | 0.09 | 0.09 | % | 55 | Provisional value | 90GLA - 02 |
| Fe2O3-T | 4.42 | 0.09 | % | 55 | Certified value equivalent | 90GLA - 02 |
| FeO | 3.89 | % | 1 | Provisional value | 90GLA - 02 |
| H2O+ | 1.84 | 0.08 | % | 5 | Provisional value | 90GLA - 02 |
| H2O- | 0.91 | 0.23 | % | 4 | Provisional value | 90GLA - 02 |
| H2O-T | 2.4 | 0.4 | % | 5 | Provisional value | 90GLA - 02 |
| K2O | 4.83 | 0.24 | % | 18 | Recommended value | 90GLA - 02 |
| MgO | 2.75 | 0.28 | % | 30 | Provisional value | 90GLA - 02 |
| MnO | 0.02 | 0.003 | % | 65 | Recommended value | 90GLA - 02 |
| Na2O | 0.76 | 0.06 | % | 16 | Recommended value | 90GLA - 02 |
| P2O5 | 0.27 | 0.05 | % | 7 | Provisional value | 90GLA - 02 |
| SiO2 | 66.19 | 1.46 | % | 17 | Recommended value | 90GLA - 02 |
| TiO2 | 0.48 | 0.03 | % | 25 | Recommended value | 90GLA - 02 |
| Oxide Sum | 100.3 | 1.9 | % | Recommended value | 90GLA - 02 |
| Minor Oxides |
| B2O3 | 0.001449 | 0.0001932 | % | 3 | Provisional value | 90GLA - 02 |
| BaO | 0.18 | 0.01 | % | 28 | Recommended value | 90GLA - 02 |
| BaO | 0.183106 | 0.0078155 | % | 28 | Certified value equivalent | 90GLA - 02 |
| Cr2O3 | 9.35392E-03 | 5.8462E-04 | % | 43 | Recommended value | 90GLA - 02 |
| CuO | 0.82 | 0.07 | % | 127 | Recommended value | 90GLA - 02 |
| SrO | 2.613568E-02 | 3.074786E-03 | % | 19 | Recommended value | 90GLA - 02 |
| ZnO | 9.086749E-03 | 8.71332E-04 | % | 110 | Recommended value | 90GLA - 02 |
| ZrO2 | 0.02511 | 0.003375 | % | 14 | Recommended value | 90GLA - 02 |