| Field | Value |
|---|---|
| Unique Sample ID Number | D521281 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J15-47 |
| 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 | 0.2 | percent by weight | (unknown method) |
| Fluorine | 0.06 | percent by weight | ISE |
| Na2O | L0.15 | percent by weight | XRF |
| MgO | 0.61 | percent by weight | XRF |
| Al2O3 | 10.2 | percent by weight | XRF |
| SiO2 | 66.7 | percent by weight | XRF |
| P2O5 | L0.05 | percent by weight | XRF |
| Chlorine | L0.01 | percent by weight | ISE |
| K2O | 7.25 | percent by weight | XRF |
| CaO | 6.48 | percent by weight | XRF |
| TiO2 | 0.14 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | 0.33 | percent by weight | XRF |
| FeTO3 | 6.67 | percent Fe2O3 by weight | XRF |
| Nickel | 11 | ppm by weight | XRF |
| Copper | 51 | ppm by weight | XRF |
| Zinc | 75 | ppm by weight | XRF |
| Rubidium | 200 | ppm by weight | XRF |
| Strontium | 106 | ppm by weight | XRF |
| Yttrium | 21 | ppm by weight | XRF |
| Zirconium | 142 | ppm by weight | XRF |
| Niobium | 19 | ppm by weight | XRF |
| Barium | 3100 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| 45 | ppm by weight | ICP-MS | |
| Cerium | 62 | ppm by weight | XRF |
| 84 | ppm by weight | ICP-MS | |
| Praseodymium | 9.4 | ppm by weight | ICP-MS |
| Neodymium | 31 | ppm by weight | ICP-MS |
| Samarium | 4.6 | ppm by weight | ICP-MS |
| Europium | 0.39 | ppm by weight | ICP-MS |
| Gadolinium | 3.9 | ppm by weight | ICP-MS |
| Terbium | 0.5 | ppm by weight | ICP-MS |
| Dysprosium | 2.8 | ppm by weight | ICP-MS |
| Holmium | 0.62 | ppm by weight | ICP-MS |
| Erbium | 2.1 | ppm by weight | ICP-MS |
| Thulium | 0.34 | ppm by weight | ICP-MS |
| Ytterbium | 2.4 | ppm by weight | ICP-MS |