| Field | Value |
|---|---|
| Lab ID | M202462 |
| Field ID | 84ER024A |
| Job ID | MM84 |
| Sample submitter | Koch, Richard D. |
| Project name | SE Alaska Studies |
| Date submitted | 12/3/1992 0:00:00 |
| Country | United States |
| State | AK |
| Map quadrangle | Ketchikan |
| Geographic latitude | 55.36 |
| Geographic longitude | -131.48083 |
| Sample source | outcrop |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | gabbro |
| Sample comment | hypersthene gabbro |
| Geologic age | Tertiary undifferentiated |
| Stratigraphic unit | Ketchikan GB |
| Igneous setting | pluton |
| (click for info) | |
| Geologic map unit | -131.48083, 55.36 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | 500 | parts per million by weight | EDX |
| Nickel | 48 | parts per million by weight | EDX |
| Copper | 25 | parts per million by weight | EDX |
| Zinc | 114 | parts per million by weight | EDX |
| Rubidium | <10 | parts per million by weight | EDX |
| Strontium | 405 | parts per million by weight | EDX |
| Yttrium | 15 | parts per million by weight | EDX |
| Zirconium | 28 | parts per million by weight | EDX |
| Niobium | <10 | parts per million by weight | EDX |
| Barium | 166 | parts per million by weight | EDX |
| Lanthanum | 6.5 | parts per million by weight | MS_ST_REE |
| Cerium | 12 | parts per million by weight | MS_ST_REE |
| Praseodymium | 1.6 | parts per million by weight | MS_ST_REE |
| Neodymium | 7.2 | parts per million by weight | MS_ST_REE |
| Samarium | 1.9 | parts per million by weight | MS_ST_REE |
| Europium | 0.73 | parts per million by weight | MS_ST_REE |
| Gadolinium | 2.1 | parts per million by weight | MS_ST_REE |
| Terbium | 0.34 | parts per million by weight | MS_ST_REE |
| Dysprosium | 2.4 | parts per million by weight | MS_ST_REE |
| Holmium | 0.43 | parts per million by weight | MS_ST_REE |
| Erbium | 1.3 | parts per million by weight | MS_ST_REE |
| Thulium | 0.19 | parts per million by weight | MS_ST_REE |
| Ytterbium | 1.1 | parts per million by weight | MS_ST_REE |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Fluorine | 0.01 | pct | ISE | T | LiBO2 or Na2CO3 fusion | USGS-BGC |
| Sulfur | 0.39 | pct | CB | T | infrared detector | USGS-BGC |
| Sulfur | 0.036 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | 0.036 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Chlorine | L0.005 | pct | ISE | T | HF-KMnO4-H2SO4 | USGS-BGC |
| Chromium | 500 | ppm | XRF | T | EDXRF | USGS-BGC |
| Chromium | 680 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | 48 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 25 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 114 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 405 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 15 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 28 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 166 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | 6.5 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Cerium | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | 12 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Praseodymium | 1.6 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Neodymium | 7.2 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Samarium | 1.9 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Europium | 0.73 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Gadolinium | 2.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Terbium | 0.34 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Dysprosium | 2.4 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Holmium | 0.43 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Erbium | 1.3 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Thulium | 0.19 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Ytterbium | 1.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Al2O3 | 12 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 10.4 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.43 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 8.53 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 10.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.16 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.5 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 0.233 | pct | AA | T | fusion, FES | USGS-BGC |
| K2O | 0.25 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 0.42 | pct | GV | T | combustion | USGS-BGC |
| MgO | 12.9 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.19 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 1.63 | pct | AA | T | fusion, FES | USGS-BGC |
| Na2O | 1.52 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 52.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 0.45 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |