| Field | Value |
|---|---|
| Unique Sample ID Number | D521292 |
| Analytical Job Number | VF91 |
| Submitter Name | Day, Warren C. |
| Date Submitted | 19921020 |
| Field Number | J2-30 |
| 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 | TRACHYTE PORPHYRY |
| Geologic Age or Range | late precambrian |
| Stratigraphic Unit Name | TRACHYTE PORPHYRY |
| 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 | 0.3 | percent by weight | (unknown method) |
| Fluorine | 0.21 | percent by weight | ISE |
| Na2O | 6.26 | percent by weight | XRF |
| MgO | 3.13 | percent by weight | XRF |
| Al2O3 | 17.6 | percent by weight | XRF |
| SiO2 | 54.5 | percent by weight | XRF |
| P2O5 | 0.24 | percent by weight | XRF |
| Chlorine | 0.01 | percent by weight | ISE |
| K2O | 2.17 | percent by weight | XRF |
| CaO | 2.36 | percent by weight | XRF |
| TiO2 | 1.95 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | 0.3 | percent by weight | XRF |
| FeTO3 | 10.2 | percent Fe2O3 by weight | XRF |
| Nickel | 27 | ppm by weight | XRF |
| Copper | 325 | ppm by weight | XRF |
| Zinc | 480 | ppm by weight | XRF |
| Rubidium | 65 | ppm by weight | XRF |
| Strontium | 108 | ppm by weight | XRF |
| Yttrium | 43 | ppm by weight | XRF |
| Zirconium | 142 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |
| Barium | 690 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| 25 | ppm by weight | ICP-MS | |
| Cerium | 44 | ppm by weight | XRF |
| 49 | ppm by weight | ICP-MS | |
| Praseodymium | 5.5 | ppm by weight | ICP-MS |
| Neodymium | 21 | ppm by weight | ICP-MS |
| Samarium | 4.6 | ppm by weight | ICP-MS |
| Europium | 1.1 | ppm by weight | ICP-MS |
| Gadolinium | 5.7 | ppm by weight | ICP-MS |
| Terbium | 1.1 | ppm by weight | ICP-MS |
| Dysprosium | 7.3 | ppm by weight | ICP-MS |
| Holmium | 1.5 | ppm by weight | ICP-MS |
| Erbium | 4.4 | ppm by weight | ICP-MS |
| Thulium | 0.61 | ppm by weight | ICP-MS |
| Ytterbium | 3.7 | ppm by weight | ICP-MS |