| Field | Value |
|---|---|
| Unique Sample ID Number | M194282 |
| Analytical Job Number | MG73 |
| Submitter Name | Tosdal, Richard M. |
| Date Submitted | 19901119 |
| Field Number | BW-27 |
| 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 |
| 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 | 5.5 | percent by weight | (unknown method) |
| H2O+ | 3.88 | percent bound water | (unknown method) |
| H2O- | 1.3 | percent moisture | (unknown method) |
| CO2 | 0.01 | percent by weight | Titration |
| Fluorine | 0.04 | percent by weight | ISE |
| Na2O | 2.43 | percent by weight | XRF |
| MgO | 0.33 | percent by weight | XRF |
| Al2O3 | 13.5 | percent by weight | XRF |
| SiO2 | 69.9 | percent by weight | XRF |
| P2O5 | 0.07 | percent by weight | XRF |
| Chlorine | 0.16 | percent by weight | ISE |
| K2O | 4.35 | percent by weight | XRF |
| CaO | 1.04 | percent by weight | XRF |
| TiO2 | 0.23 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | 0.04 | percent by weight | XRF |
| FeO | 0.25 | percent by weight | Titration |
| FeTO3 | 1.95 | percent Fe2O3 by weight | XRF |
| Nickel | L10 | ppm by weight | XRF |
| Copper | 19 | ppm by weight | XRF |
| Zinc | 80 | ppm by weight | XRF |
| Rubidium | 150 | ppm by weight | XRF |
| Strontium | 330 | ppm by weight | XRF |
| Yttrium | 20 | ppm by weight | XRF |
| Zirconium | 120 | ppm by weight | XRF |
| Niobium | 14 | ppm by weight | XRF |
| Barium | 590 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| Cerium | L30 | ppm by weight | XRF |