| Field | Value |
|---|---|
| Unique Sample ID Number | M179959 |
| Analytical Job Number | LW14 |
| Submitter Name | Karl, Susan M. |
| Date Submitted | 19870819 |
| Field Number | 87SK181A |
| State | AK |
| Latitude | 55.17583 |
| Longitude | -131.58833 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | igneous |
| Specific Name | rhyolite |
| Additional Attributes and Comments | flow banded rhyolite; |
| Geologic Age or Range | Triassic |
| Stratigraphic Unit Name | TRV |
| Igneous Structural Setting | lava flow |
| (click for info) | |
| Geologic map unit | -131.58833, 55.17583 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| LOI | 0.24 | percent by weight | (unknown method) |
| Sodium | 3.25 | percent by weight | INAA |
| Na2O | 4.39 | percent by weight | XRF |
| MgO | L0.1 | percent by weight | XRF |
| Al2O3 | 13 | percent by weight | XRF |
| SiO2 | 76.7 | percent by weight | XRF |
| P2O5 | L0.05 | percent by weight | XRF |
| K2O | 4.69 | percent by weight | XRF |
| CaO | L0.02 | percent by weight | XRF |
| Scandium | 0.347 | ppm by weight | INAA |
| TiO2 | 0.09 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | L0.02 | percent by weight | XRF |
| Iron | 0.276 | percent by weight | INAA |
| FeO | 0.03 | percent by weight | Titration |
| FeTO3 | 0.35 | percent Fe2O3 by weight | XRF |
| Cobalt | 0.113 | ppm by weight | INAA |
| Nickel | L20 | ppm by weight | XRF |
| 4.14 | ppm by weight | INAA | |
| Copper | L20 | ppm by weight | XRF |
| Zinc | L20 | ppm by weight | XRF |
| Rubidium | 26 | ppm by weight | XRF |
| 43.2 | ppm by weight | INAA | |
| Strontium | 22 | ppm by weight | XRF |
| L30 | ppm by weight | INAA | |
| Yttrium | 110 | ppm by weight | XRF |
| Zirconium | 395 | ppm by weight | XRF |
| 394 | ppm by weight | INAA | |
| Niobium | 57 | ppm by weight | XRF |
| Antimony | 0.0634 | ppm by weight | INAA |
| Cesium | 0.401 | ppm by weight | INAA |
| Barium | 475 | ppm by weight | XRF |
| 450 | ppm by weight | INAA | |
| Lanthanum | 55.5 | ppm by weight | INAA |
| Cerium | 134 | ppm by weight | INAA |
| Neodymium | 66.8 | ppm by weight | INAA |
| Samarium | 14.2 | ppm by weight | INAA |
| Europium | 0.93 | ppm by weight | INAA |
| Gadolinium | 15.8 | ppm by weight | INAA |
| Terbium | 2.75 | ppm by weight | INAA |
| Thulium | 2.25 | ppm by weight | INAA |
| Ytterbium | 14.5 | ppm by weight | INAA |
| Lutetium | 2.11 | ppm by weight | INAA |
| Hafnium | 12.3 | ppm by weight | INAA |
| Tantalum | 3.93 | ppm by weight | INAA |
| Thorium | 10.4 | ppm by weight | INAA |
| Uranium | 3.43 | ppm by weight | INAA |