| Field | Value |
|---|---|
| Unique Sample ID Number | D521278 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J10-6 |
| 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 | 0.72 | percent by weight | (unknown method) |
| Fluorine | 0.03 | percent by weight | ISE |
| Na2O | 0.24 | percent by weight | XRF |
| MgO | 0.35 | percent by weight | XRF |
| Al2O3 | 13.1 | percent by weight | XRF |
| SiO2 | 66.3 | percent by weight | XRF |
| P2O5 | L0.05 | percent by weight | XRF |
| Chlorine | L0.01 | percent by weight | ISE |
| K2O | 10.5 | percent by weight | XRF |
| CaO | 0.35 | percent by weight | XRF |
| TiO2 | 0.16 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | 0.09 | percent by weight | XRF |
| FeTO3 | 4.56 | percent Fe2O3 by weight | XRF |
| Copper | G1000 | ppm by weight | XRF |
| Rubidium | 230 | ppm by weight | XRF |
| Strontium | 71 | ppm by weight | XRF |
| Yttrium | 23 | ppm by weight | XRF |
| Zirconium | 190 | ppm by weight | XRF |
| Niobium | 15 | ppm by weight | XRF |
| Barium | 4800 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| 33 | ppm by weight | ICP-MS | |
| Cerium | 44 | ppm by weight | XRF |
| 64 | ppm by weight | ICP-MS | |
| Praseodymium | 7.6 | ppm by weight | ICP-MS |
| Neodymium | 26 | ppm by weight | ICP-MS |
| Samarium | 3.8 | ppm by weight | ICP-MS |
| Europium | 0.23 | ppm by weight | ICP-MS |
| Gadolinium | 3.3 | ppm by weight | ICP-MS |
| Terbium | 0.54 | ppm by weight | ICP-MS |
| Dysprosium | 3.3 | ppm by weight | ICP-MS |
| Holmium | 0.79 | ppm by weight | ICP-MS |
| Erbium | 2.6 | ppm by weight | ICP-MS |
| Thulium | 0.47 | ppm by weight | ICP-MS |
| Ytterbium | 3.3 | ppm by weight | ICP-MS |