| Field | Value |
|---|---|
| Unique Sample ID Number | M180627 |
| Analytical Job Number | LW69 |
| Submitter Name | Gamble, Bruce M. |
| Date Submitted | 19871112 |
| Field Number | 87AR020 |
| State | AK |
| Latitude | 61.38778 |
| Longitude | -153.64972 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | igneous |
| Specific Name | rhyolite |
| Additional Attributes and Comments | lithic tuff; |
| Geologic Age or Range | Cretaceous--Miocene |
| Igneous Structural Setting | pyroclastic |
| (click for info) | |
| Geologic map unit | -153.64972, 61.38778 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| LOI | 0.97 | percent by weight | (unknown method) |
| H2O+ | 0.78 | percent bound water | (unknown method) |
| H2O- | L0.01 | percent moisture | (unknown method) |
| Lithium | 20 | ppm by weight | ICP-AES |
| Beryllium | 2 | ppm by weight | ICP-AES |
| CO2 | 0.17 | percent by weight | Titration |
| Sodium | 3.4 | percent by weight | ICP-AES |
| Na2O | 4.73 | percent by weight | XRF |
| Magnesium | 0.26 | percent by weight | ICP-AES |
| MgO | 0.47 | percent by weight | XRF |
| Aluminum | 7.4 | percent by weight | ICP-AES |
| Al2O3 | 14.1 | percent by weight | XRF |
| SiO2 | 70.9 | percent by weight | XRF |
| Phosphorus | 0.03 | percent by weight | ICP-AES |
| P2O5 | 0.07 | percent by weight | XRF |
| Potassium | 2.3 | percent by weight | ICP-AES |
| K2O | 2.7 | percent by weight | XRF |
| Calcium | 1.4 | percent by weight | ICP-AES |
| CaO | 1.95 | percent by weight | XRF |
| Scandium | 12 | ppm by weight | ICP-AES |
| Titanium | 0.21 | percent by weight | ICP-AES |
| TiO2 | 0.37 | percent by weight | XRF |
| Vanadium | 26 | ppm by weight | ICP-AES |
| Chromium | 7 | ppm by weight | ICP-AES |
| Manganese | 920 | ppm by weight | ICP-AES |
| MnO | 0.13 | percent by weight | XRF |
| Iron | 2.6 | percent by weight | ICP-AES |
| FeO | 2.5 | percent by weight | Titration |
| FeTO3 | 3.86 | percent Fe2O3 by weight | XRF |
| Cobalt | 4 | ppm by weight | ICP-AES |
| Nickel | L2 | ppm by weight | ICP-AES |
| Copper | 4 | ppm by weight | ICP-AES |
| Zinc | 120 | ppm by weight | ICP-AES |
| Gallium | 20 | ppm by weight | ICP-AES |
| Arsenic | L10 | ppm by weight | ICP-AES |
| Strontium | 120 | ppm by weight | ICP-AES |
| Yttrium | 41 | ppm by weight | ICP-AES |
| Niobium | 13 | ppm by weight | ICP-AES |
| Molybdenum | L2 | ppm by weight | ICP-AES |
| Silver | L2 | ppm by weight | ICP-AES |
| Cadmium | L2 | ppm by weight | ICP-AES |
| Tin | L10 | ppm by weight | ICP-AES |
| Barium | 1200 | ppm by weight | ICP-AES |
| Lanthanum | 36 | ppm by weight | ICP-AES |
| Cerium | 67 | ppm by weight | ICP-AES |
| Neodymium | 39 | ppm by weight | ICP-AES |
| Europium | L2 | ppm by weight | ICP-AES |
| Holmium | L4 | ppm by weight | ICP-AES |
| Ytterbium | 3 | ppm by weight | ICP-AES |
| Tantalum | L40 | ppm by weight | ICP-AES |
| Gold | L8 | ppm by weight | ICP-AES |
| Lead | 28 | ppm by weight | ICP-AES |
| Bismuth | L10 | ppm by weight | ICP-AES |
| Thorium | 7 | ppm by weight | ICP-AES |
| Uranium | L100 | ppm by weight | ICP-AES |