| Field | Value |
|---|---|
| Lab ID | M202458 |
| Field ID | 84ER022B |
| 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 | 55.3425 |
| Geographic longitude | -131.49694 |
| Sample source | outcrop |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | gabbro |
| Sample comment | px gabbro |
| Geologic age | Tertiary undifferentiated |
| Stratigraphic unit | Ketchikan GB |
| Igneous setting | pluton |
| (click for info) | |
| Geologic map unit | -131.49694, 55.3425 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | 340 | parts per million by weight | WDX_Fuse |
| Nickel | <10 | parts per million by weight | EDX |
| Copper | <10 | parts per million by weight | EDX |
| Zinc | 57 | parts per million by weight | EDX |
| Rubidium | <10 | parts per million by weight | EDX |
| Strontium | 760 | parts per million by weight | EDX |
| Yttrium | 17 | parts per million by weight | EDX |
| Zirconium | 54 | parts per million by weight | EDX |
| Niobium | 16 | 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 | 1.8 | parts per million by weight | MS_ST_REE |
| Neodymium | 7.5 | parts per million by weight | MS_ST_REE |
| Samarium | 2.1 | 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 | 1.6 | parts per million by weight | MS_ST_REE |
| Holmium | 0.4 | parts per million by weight | MS_ST_REE |
| Erbium | 0.93 | parts per million by weight | MS_ST_REE |
| Thulium | 0.13 | parts per million by weight | MS_ST_REE |
| Ytterbium | 0.64 | 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 | 0.15 | pct | CB | T | infrared detector | USGS-BGC |
| Sulfur | 0.056 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | 0.056 | 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 | 340 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 57 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 760 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 17 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 54 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | 16 | 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 | 1.8 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Neodymium | 7.5 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Samarium | 2.1 | 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 | 1.6 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Holmium | 0.4 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Erbium | 0.93 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Thulium | 0.13 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Ytterbium | 0.64 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Al2O3 | 20.2 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 11.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.42 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 7.9 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 9.97 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.08 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.62 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 0.28 | pct | AA | T | fusion, FES | USGS-BGC |
| K2O | 0.28 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 0.34 | pct | GV | T | combustion | USGS-BGC |
| MgO | 4.51 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.14 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 2.92 | pct | AA | T | fusion, FES | USGS-BGC |
| Na2O | 2.79 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.2 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 46.5 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 3.74 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |