| Field | Value |
|---|---|
| Unique Sample ID Number | M186068 |
| Analytical Job Number | MA63 |
| Submitter Name | Riehle, James R. |
| Date Submitted | 19881213 |
| Field Number | 88ARJ075B |
| State | AK |
| Latitude | 55.19444 |
| Longitude | -160.56944 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | igneous |
| Specific Name | dacite |
| Additional Attributes and Comments | dacite tuff; |
| Geologic Age or Range | Tertiary undifferentiated |
| Igneous Structural Setting | pyroclastic |
| (click for info) | |
| Geologic map unit | -160.56944, 55.19444 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| LOI | 4.46 | percent by weight | (unknown method) |
| H2O+ | 2.01 | percent bound water | (unknown method) |
| H2O- | 2.09 | percent moisture | (unknown method) |
| CO2 | 0.02 | percent by weight | Titration |
| Na2O | 2.82 | percent by weight | XRF |
| MgO | 1.61 | percent by weight | XRF |
| Al2O3 | 13.6 | percent by weight | XRF |
| SiO2 | 68.3 | percent by weight | XRF |
| P2O5 | 0.1 | percent by weight | XRF |
| K2O | 2.01 | percent by weight | XRF |
| CaO | 2.86 | percent by weight | XRF |
| TiO2 | 0.31 | percent by weight | XRF |
| Chromium | L20 | ppm by weight | XRF |
| MnO | 0.1 | percent by weight | XRF |
| FeO | 0.3 | percent by weight | Titration |
| FeTO3 | 3.58 | percent Fe2O3 by weight | XRF |
| Nickel | L20 | ppm by weight | XRF |
| Copper | 36 | ppm by weight | XRF |
| Zinc | 46 | ppm by weight | XRF |
| Rubidium | 44 | ppm by weight | XRF |
| Strontium | 230 | ppm by weight | XRF |
| Yttrium | 12 | ppm by weight | XRF |
| Zirconium | 100 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |
| Barium | 710 | ppm by weight | XRF |
| Lanthanum | 48 | ppm by weight | XRF |
| Cerium | 30 | ppm by weight | XRF |