| Field | Value |
|---|---|
| Unique Sample ID Number | D521279 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J15-7 |
| State | MO |
| Latitude | 37.65 |
| Longitude | -91.15 |
| Source of Sample | drill core |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | igneous |
| Specific Name | rhyolite |
| Geologic Age or Range | late precambrian |
| Stratigraphic Unit Name | RHYOLITE |
| Igneous Structural Setting | extrusive |
| (click for info) | |
| Geologic map unit | -91.15, 37.65 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| LOI | 0.55 | percent by weight | (unknown method) |
| Fluorine | 0.07 | percent by weight | ISE |
| Na2O | L0.15 | percent by weight | XRF |
| MgO | 0.86 | percent by weight | XRF |
| Al2O3 | 11.8 | percent by weight | XRF |
| SiO2 | 51 | percent by weight | XRF |
| P2O5 | 0.4 | percent by weight | XRF |
| Chlorine | 0.01 | percent by weight | ISE |
| K2O | 9.09 | percent by weight | XRF |
| CaO | 2.65 | percent by weight | XRF |
| TiO2 | 1.05 | percent by weight | XRF |
| MnO | 0.23 | percent by weight | XRF |
| FeTO3 | 20.6 | percent Fe2O3 by weight | XRF |
| Nickel | 17 | ppm by weight | XRF |
| Copper | L10 | ppm by weight | XRF |
| Zinc | 235 | ppm by weight | XRF |
| Rubidium | 245 | ppm by weight | XRF |
| Strontium | 85 | ppm by weight | XRF |
| Yttrium | 42 | ppm by weight | XRF |
| Zirconium | 184 | ppm by weight | XRF |
| Niobium | 15 | ppm by weight | XRF |
| Barium | G5000 | ppm by weight | XRF |
| Lanthanum | 15 | ppm by weight | ICP-MS |
| Cerium | 37 | ppm by weight | ICP-MS |
| Praseodymium | 4.6 | ppm by weight | ICP-MS |
| Neodymium | 19 | ppm by weight | ICP-MS |
| Samarium | 4 | ppm by weight | ICP-MS |
| Europium | 0.44 | ppm by weight | ICP-MS |
| Gadolinium | 5.9 | ppm by weight | ICP-MS |
| Terbium | 1.2 | ppm by weight | ICP-MS |
| Dysprosium | 7.5 | ppm by weight | ICP-MS |
| Holmium | 1.8 | ppm by weight | ICP-MS |
| Erbium | 5.3 | ppm by weight | ICP-MS |
| Thulium | 0.81 | ppm by weight | ICP-MS |
| Ytterbium | 5.1 | ppm by weight | ICP-MS |