| Field | Value |
|---|---|
| Unique Sample ID Number | M194283 |
| Analytical Job Number | MG73 |
| Submitter Name | Tosdal, Richard M. |
| Date Submitted | 19901119 |
| Field Number | BW-27A |
| 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 | PUMICE |
| 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 | 5.13 | percent by weight | (unknown method) |
| H2O+ | 3.97 | percent bound water | (unknown method) |
| H2O- | 0.67 | percent moisture | (unknown method) |
| CO2 | 0.11 | percent by weight | Titration |
| Fluorine | L0.01 | percent by weight | ISE |
| Na2O | 2.22 | percent by weight | XRF |
| MgO | 0.15 | percent by weight | XRF |
| Al2O3 | 12.6 | percent by weight | XRF |
| SiO2 | 72 | percent by weight | XRF |
| P2O5 | L0.05 | percent by weight | XRF |
| Chlorine | 0.12 | percent by weight | ISE |
| K2O | 4.97 | percent by weight | XRF |
| CaO | 0.76 | percent by weight | XRF |
| TiO2 | 0.08 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | 0.08 | percent by weight | XRF |
| FeO | 0.04 | percent by weight | Titration |
| FeTO3 | 0.94 | percent Fe2O3 by weight | XRF |
| Nickel | L10 | ppm by weight | XRF |
| Copper | 15 | ppm by weight | XRF |
| Zinc | 51 | ppm by weight | XRF |
| Rubidium | 168 | ppm by weight | XRF |
| Strontium | 142 | ppm by weight | XRF |
| Yttrium | 14 | ppm by weight | XRF |
| Zirconium | 88 | ppm by weight | XRF |
| Niobium | 16 | ppm by weight | XRF |
| Barium | 510 | ppm by weight | XRF |
| Lanthanum | 54 | ppm by weight | XRF |
| Cerium | L30 | ppm by weight | XRF |