| Field | Value |
|---|---|
| Lab ID | M202460 |
| Field ID | 84ER023B |
| 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 | 55.36278 |
| Geographic longitude | -131.47639 |
| Sample source | outcrop |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | gabbro |
| Sample comment | bi px gabbro |
| Geologic age | Tertiary undifferentiated |
| Stratigraphic unit | Ketchikan GB |
| Igneous setting | pluton |
| (click for info) | |
| Geologic map unit | -131.47639, 55.36278 |
| 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 | 16 | parts per million by weight | EDX |
| Zinc | 61 | parts per million by weight | EDX |
| Rubidium | 10 | parts per million by weight | EDX |
| Strontium | 750 | parts per million by weight | EDX |
| Yttrium | 10 | parts per million by weight | EDX |
| Zirconium | 52 | parts per million by weight | EDX |
| Niobium | 10 | parts per million by weight | EDX |
| Barium | 178 | parts per million by weight | EDX |
| Lanthanum | 6.1 | parts per million by weight | MS_ST_REE |
| Cerium | 13 | parts per million by weight | MS_ST_REE |
| Praseodymium | 1.7 | parts per million by weight | MS_ST_REE |
| Neodymium | 7.7 | parts per million by weight | MS_ST_REE |
| Samarium | 1.8 | parts per million by weight | MS_ST_REE |
| Europium | 1.1 | parts per million by weight | MS_ST_REE |
| Gadolinium | 2 | parts per million by weight | MS_ST_REE |
| Terbium | 0.26 | parts per million by weight | MS_ST_REE |
| Dysprosium | 1.9 | parts per million by weight | MS_ST_REE |
| Holmium | 0.39 | parts per million by weight | MS_ST_REE |
| Erbium | 0.9 | parts per million by weight | MS_ST_REE |
| Thulium | 0.13 | parts per million by weight | MS_ST_REE |
| Ytterbium | 0.94 | parts per million by weight | MS_ST_REE |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Fluorine | 0.02 | pct | ISE | T | LiBO2 or Na2CO3 fusion | USGS-BGC |
| Sulfur | 0.14 | pct | CB | T | infrared detector | USGS-BGC |
| Sulfur | 0.04 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | 0.04 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Chlorine | L0.005 | pct | ISE | T | HF-KMnO4-H2SO4 | USGS-BGC |
| Chromium | L20 | ppm | XRF | T | EDXRF | USGS-BGC |
| Chromium | <210 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 16 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 61 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 750 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 52 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 178 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | 6.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Cerium | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | 13 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Praseodymium | 1.7 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Neodymium | 7.7 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Samarium | 1.8 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Europium | 1.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Gadolinium | 2 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Terbium | 0.26 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Dysprosium | 1.9 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Holmium | 0.39 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Erbium | 0.9 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Thulium | 0.13 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Ytterbium | 0.94 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Al2O3 | 20.4 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 11.2 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.43 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 7.79 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 9.78 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.09 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.63 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 0.276 | pct | AA | T | fusion, FES | USGS-BGC |
| K2O | 0.29 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 0.27 | pct | GV | T | combustion | USGS-BGC |
| MgO | 4.52 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.14 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 2.91 | pct | AA | T | fusion, FES | USGS-BGC |
| Na2O | 2.81 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.2 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 46.9 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 3.64 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |