| Field | Value |
|---|---|
| Unique Sample ID Number | D521280 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J15-14 |
| 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 | 0.26 | percent by weight | (unknown method) |
| Fluorine | 0.1 | percent by weight | ISE |
| Na2O | 0.16 | percent by weight | XRF |
| MgO | 0.17 | percent by weight | XRF |
| Al2O3 | 13.8 | percent by weight | XRF |
| SiO2 | 60.8 | percent by weight | XRF |
| P2O5 | 0.33 | percent by weight | XRF |
| Chlorine | L0.01 | percent by weight | ISE |
| K2O | 10.3 | percent by weight | XRF |
| CaO | 0.39 | percent by weight | XRF |
| TiO2 | 1.13 | percent by weight | XRF |
| MnO | 0.07 | percent by weight | XRF |
| FeTO3 | 11.1 | percent Fe2O3 by weight | XRF |
| Nickel | L10 | ppm by weight | XRF |
| Copper | L10 | ppm by weight | XRF |
| Zinc | 99 | ppm by weight | XRF |
| Rubidium | 255 | ppm by weight | XRF |
| Strontium | 102 | ppm by weight | XRF |
| Yttrium | 60 | ppm by weight | XRF |
| Zirconium | 194 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |
| Barium | G5000 | ppm by weight | XRF |
| Lanthanum | 27 | ppm by weight | ICP-MS |
| Cerium | 53 | ppm by weight | ICP-MS |
| Praseodymium | 6 | ppm by weight | ICP-MS |
| Neodymium | 24 | ppm by weight | ICP-MS |
| Samarium | 5.9 | ppm by weight | ICP-MS |
| Europium | 1.2 | ppm by weight | ICP-MS |
| Gadolinium | 9.6 | ppm by weight | ICP-MS |
| Terbium | 1.7 | ppm by weight | ICP-MS |
| Dysprosium | 11 | ppm by weight | ICP-MS |
| Holmium | 2.3 | ppm by weight | ICP-MS |
| Erbium | 6.8 | ppm by weight | ICP-MS |
| Thulium | 0.95 | ppm by weight | ICP-MS |
| Ytterbium | 5.7 | ppm by weight | ICP-MS |