| Field | Value |
|---|---|
| Unique Sample ID Number | M172056 |
| Analytical Job Number | LQ48 |
| Submitter Name | Shew, Nora B. |
| Date Submitted | 19860514 |
| Field Number | 84ACE113C |
| State | AK |
| Latitude | 55.88833 |
| Longitude | -159.12 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | igneous |
| Specific Name | dacite |
| Additional Attributes and Comments | dacite; |
| Geologic Age or Range | Oligocene |
| Igneous Structural Setting | extrusive |
| (click for info) | |
| Geologic map unit | -159.12, 55.88833 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| H2O+ | 2.5 | percent bound water | (unknown method) |
| H2O- | 0.49 | percent moisture | (unknown method) |
| CO2 | 1.28 | percent by weight | Miscellaneous Methods |
| Na2O | 2.6 | percent by weight | XRF |
| MgO | 7 | percent by weight | XRF |
| Al2O3 | 17.7 | percent by weight | XRF |
| SiO2 | 47.8 | percent by weight | XRF |
| P2O5 | 0.12 | percent by weight | XRF |
| K2O | 0.36 | percent by weight | XRF |
| CaO | 9.97 | percent by weight | XRF |
| TiO2 | 0.85 | percent by weight | XRF |
| Chromium | 287 | ppm by weight | XRF |
| MnO | 0.2 | percent by weight | XRF |
| FeO | 6.73 | percent by weight | Titration |
| FeTO3 | 9.29 | percent Fe2O3 by weight | XRF |
| Nickel | 73 | ppm by weight | XRF |
| Copper | L10 | ppm by weight | XRF |
| Zinc | 53 | ppm by weight | XRF |
| Rubidium | L10 | ppm by weight | XRF |
| Strontium | 373 | ppm by weight | XRF |
| Yttrium | 16 | ppm by weight | XRF |
| Zirconium | 55 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |
| Barium | 402 | ppm by weight | XRF |
| Lanthanum | L10 | ppm by weight | XRF |
| Cerium | L10 | ppm by weight | XRF |