| Field | Value |
|---|---|
| Lab ID | M177872 |
| Field ID | 82CC023 |
| Job ID | LU87 |
| Sample submitter | Shew, Nora B. |
| Project name | Alaska Geochronology |
| Date submitted | 5/20/1987 0:00:00 |
| Country | United States |
| State | AK |
| Map quadrangle | Port Moller |
| Geographic latitude | 55.20083 |
| Geographic longitude | -160.555 |
| Sample source | outcrop |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | quartz porphyry |
| Sample comment | quartz porphyry |
| (click for info) | |
| Geologic map unit | -160.555, 55.20083 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | <20 | parts per million by weight | EDX |
| Nickel | <10 | parts per million by weight | EDX |
| Copper | <10 | parts per million by weight | EDX |
| Zinc | 32 | parts per million by weight | EDX |
| Rubidium | 26 | parts per million by weight | EDX |
| Strontium | 334 | parts per million by weight | EDX |
| Yttrium | 6 | parts per million by weight | EDX |
| Zirconium | 57 | parts per million by weight | EDX |
| Niobium | <10 | parts per million by weight | EDX |
| Barium | 477 | parts per million by weight | EDX |
| Lanthanum | <10 | parts per million by weight | EDX |
| Cerium | 18 | parts per million by weight | EDX |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Chromium | L20 | ppm | XRF | T | EDXRF | USGS-BGC |
| Nickel | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 32 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 26 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 334 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 6 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 57 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 477 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | 18 | ppm | XRF | T | EDXRF | USGS-BGC |
| Al2O3 | 14.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 3.78 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.14 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 0.5 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 2.56 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.51 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.42 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 1.28 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 1.37 | pct | GV | T | combustion | USGS-BGC |
| MgO | 0.9 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.04 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 3.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.06 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 71.7 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 0.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |