| Field | Value |
|---|---|
| Unique Sample ID Number | D521290 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J2-25 |
| 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 | 0.11 | percent by weight | ISE |
| Na2O | 1.37 | percent by weight | XRF |
| MgO | 1.48 | percent by weight | XRF |
| Al2O3 | 14.4 | percent by weight | XRF |
| SiO2 | 61.8 | percent by weight | XRF |
| P2O5 | 0.19 | percent by weight | XRF |
| Chlorine | 0.01 | percent by weight | ISE |
| K2O | 7.08 | percent by weight | XRF |
| CaO | 0.73 | percent by weight | XRF |
| TiO2 | 1.23 | percent by weight | XRF |
| Chromium | 124 | ppm by weight | XRF |
| MnO | 0.29 | percent by weight | XRF |
| FeTO3 | 9.59 | percent Fe2O3 by weight | XRF |
| Nickel | 37 | ppm by weight | XRF |
| Copper | L10 | ppm by weight | XRF |
| Zinc | 120 | ppm by weight | XRF |
| Rubidium | 215 | ppm by weight | XRF |
| Strontium | 75 | ppm by weight | XRF |
| Yttrium | 40 | ppm by weight | XRF |
| Zirconium | 235 | ppm by weight | XRF |
| Niobium | 12 | ppm by weight | XRF |
| Barium | 2500 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| 61 | ppm by weight | ICP-MS | |
| Cerium | 74 | ppm by weight | XRF |
| 130 | ppm by weight | ICP-MS | |
| Praseodymium | 16 | ppm by weight | ICP-MS |
| Neodymium | 59 | ppm by weight | ICP-MS |
| Samarium | 12 | ppm by weight | ICP-MS |
| Europium | 2.1 | ppm by weight | ICP-MS |
| Gadolinium | 10 | ppm by weight | ICP-MS |
| Terbium | 1.4 | ppm by weight | ICP-MS |
| Dysprosium | 7.1 | ppm by weight | ICP-MS |
| Holmium | 1.3 | ppm by weight | ICP-MS |
| Erbium | 3.4 | ppm by weight | ICP-MS |
| Thulium | 0.48 | ppm by weight | ICP-MS |
| Ytterbium | 2.8 | ppm by weight | ICP-MS |