| Field | Value |
|---|---|
| Unique Sample ID Number | D521294 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J2-33 |
| 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 | 0.65 | percent by weight | (unknown method) |
| Fluorine | 0.24 | percent by weight | ISE |
| Na2O | 4.78 | percent by weight | XRF |
| MgO | 4.76 | percent by weight | XRF |
| Al2O3 | 17 | percent by weight | XRF |
| SiO2 | 50.3 | percent by weight | XRF |
| P2O5 | 0.14 | percent by weight | XRF |
| Chlorine | 0.01 | percent by weight | ISE |
| K2O | 2.56 | percent by weight | XRF |
| CaO | 3.3 | percent by weight | XRF |
| TiO2 | 0.94 | percent by weight | XRF |
| Chromium | 55 | ppm by weight | XRF |
| MnO | 0.17 | percent by weight | XRF |
| FeTO3 | 14.6 | percent Fe2O3 by weight | XRF |
| Nickel | 53 | ppm by weight | XRF |
| Copper | 85 | ppm by weight | XRF |
| Zinc | 305 | ppm by weight | XRF |
| Rubidium | 102 | ppm by weight | XRF |
| Strontium | 162 | ppm by weight | XRF |
| Yttrium | 27 | ppm by weight | XRF |
| Zirconium | 83 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |
| Barium | 485 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| 18 | ppm by weight | ICP-MS | |
| Cerium | 35 | ppm by weight | XRF |
| 35 | ppm by weight | ICP-MS | |
| Praseodymium | 4.4 | ppm by weight | ICP-MS |
| Neodymium | 17 | ppm by weight | ICP-MS |
| Samarium | 3.9 | ppm by weight | ICP-MS |
| Europium | 0.94 | ppm by weight | ICP-MS |
| Gadolinium | 4.2 | ppm by weight | ICP-MS |
| Terbium | 0.7 | ppm by weight | ICP-MS |
| Dysprosium | 4.2 | ppm by weight | ICP-MS |
| Holmium | 0.86 | ppm by weight | ICP-MS |
| Erbium | 2.4 | ppm by weight | ICP-MS |
| Thulium | 0.32 | ppm by weight | ICP-MS |
| Ytterbium | 2.1 | ppm by weight | ICP-MS |