| Field | Value |
|---|---|
| Unique Sample ID Number | D521284 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J2-1 |
| 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 |
| Additional Attributes and Comments | WEATHERED ZONE |
| Geologic Age or Range | late precambrian |
| Stratigraphic Unit Name | WEATHERED ZONE |
| 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 | 7.63 | percent by weight | (unknown method) |
| Fluorine | 0.05 | percent by weight | ISE |
| Na2O | L0.15 | percent by weight | XRF |
| MgO | 0.33 | percent by weight | XRF |
| Al2O3 | 22.8 | percent by weight | XRF |
| SiO2 | 41.4 | percent by weight | XRF |
| P2O5 | 0.11 | percent by weight | XRF |
| Chlorine | L0.01 | percent by weight | ISE |
| K2O | 2.13 | percent by weight | XRF |
| CaO | 0.13 | percent by weight | XRF |
| TiO2 | 1.96 | percent by weight | XRF |
| Chromium | 20 | ppm by weight | XRF |
| MnO | 0.03 | percent by weight | XRF |
| FeTO3 | 23.5 | percent Fe2O3 by weight | XRF |
| Nickel | 24 | ppm by weight | XRF |
| Copper | 22 | ppm by weight | XRF |
| Zinc | 28 | ppm by weight | XRF |
| Rubidium | 54 | ppm by weight | XRF |
| Strontium | 52 | ppm by weight | XRF |
| Yttrium | 64 | ppm by weight | XRF |
| Zirconium | 315 | ppm by weight | XRF |
| Niobium | 19 | ppm by weight | XRF |
| Barium | 75 | ppm by weight | XRF |
| Lanthanum | 47 | ppm by weight | XRF |
| 53 | ppm by weight | ICP-MS | |
| Cerium | 92 | ppm by weight | XRF |
| 110 | ppm by weight | ICP-MS | |
| Praseodymium | 14 | ppm by weight | ICP-MS |
| Neodymium | 56 | ppm by weight | ICP-MS |
| Samarium | 12 | ppm by weight | ICP-MS |
| Europium | 2.7 | ppm by weight | ICP-MS |
| Gadolinium | 12 | ppm by weight | ICP-MS |
| Terbium | 1.9 | ppm by weight | ICP-MS |
| Dysprosium | 12 | ppm by weight | ICP-MS |
| Holmium | 2.4 | ppm by weight | ICP-MS |
| Erbium | 6.7 | ppm by weight | ICP-MS |
| Thulium | 0.96 | ppm by weight | ICP-MS |
| Ytterbium | 5.9 | ppm by weight | ICP-MS |