| Field | Value |
|---|---|
| Unique Sample ID Number | M194262 |
| Analytical Job Number | MG73 |
| Submitter Name | Tosdal, Richard M. |
| Date Submitted | 19901119 |
| Field Number | RH-BQ-16 |
| Country | Bolivia |
| Latitude | -17.3 |
| Longitude | -69.21667 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | igneous |
| Specific Name | rhyolite |
| Additional Attributes and Comments | TUFF |
| Geologic Age or Range | tertiary |
| Stratigraphic Unit Name | PERES FM |
| Igneous Structural Setting | pyroclastic |
| (click for info) | |
| Geologic map unit | -69.21667, -17.3 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| LOI | 0.75 | percent by weight | (unknown method) |
| H2O+ | 0.43 | percent bound water | (unknown method) |
| H2O- | 0.17 | percent moisture | (unknown method) |
| CO2 | 0.36 | percent by weight | Titration |
| Fluorine | 0.02 | percent by weight | ISE |
| Na2O | 3.6 | percent by weight | XRF |
| MgO | 0.15 | percent by weight | XRF |
| Al2O3 | 13.5 | percent by weight | XRF |
| SiO2 | 74.1 | percent by weight | XRF |
| P2O5 | 0.05 | percent by weight | XRF |
| Chlorine | 0.005 | percent by weight | ISE |
| K2O | 4.9 | percent by weight | XRF |
| CaO | 0.82 | percent by weight | XRF |
| TiO2 | 0.15 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | L0.02 | percent by weight | XRF |
| FeO | 0.09 | percent by weight | Titration |
| FeTO3 | 1.11 | percent Fe2O3 by weight | XRF |
| Nickel | L10 | ppm by weight | XRF |
| Copper | 16 | ppm by weight | XRF |
| Zinc | 42 | ppm by weight | XRF |
| Rubidium | 118 | ppm by weight | XRF |
| Strontium | 205 | ppm by weight | XRF |
| Yttrium | 14 | ppm by weight | XRF |
| Zirconium | 124 | ppm by weight | XRF |
| Niobium | 16 | ppm by weight | XRF |
| Barium | 550 | ppm by weight | XRF |
| Lanthanum | 39 | ppm by weight | XRF |
| Cerium | 92 | ppm by weight | XRF |