| Field | Value |
|---|---|
| Lab ID | M202465 |
| Field ID | 84ER027A |
| 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 | 55.35056 |
| Geographic longitude | -131.48889 |
| Sample source | outcrop |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | gabbro |
| Sample comment | 2-px gabbro |
| Geologic age | Tertiary undifferentiated |
| Stratigraphic unit | Ketchikan GB |
| Igneous setting | pluton |
| (click for info) | |
| Geologic map unit | -131.48889, 55.35056 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | 184 | parts per million by weight | EDX |
| Nickel | 32 | parts per million by weight | EDX |
| Copper | 18 | parts per million by weight | EDX |
| Zinc | 75 | parts per million by weight | EDX |
| Rubidium | <10 | parts per million by weight | EDX |
| Strontium | 580 | parts per million by weight | EDX |
| Yttrium | 14 | parts per million by weight | EDX |
| Zirconium | 114 | parts per million by weight | EDX |
| Niobium | <10 | parts per million by weight | EDX |
| Barium | 365 | parts per million by weight | EDX |
| Lanthanum | 9.9 | parts per million by weight | MS_ST_REE |
| Cerium | 19 | parts per million by weight | MS_ST_REE |
| Praseodymium | 2.4 | parts per million by weight | MS_ST_REE |
| Neodymium | 10 | parts per million by weight | MS_ST_REE |
| Samarium | 2.5 | parts per million by weight | MS_ST_REE |
| Europium | 0.83 | parts per million by weight | MS_ST_REE |
| Gadolinium | 2.8 | parts per million by weight | MS_ST_REE |
| Terbium | 0.42 | parts per million by weight | MS_ST_REE |
| Dysprosium | 3 | parts per million by weight | MS_ST_REE |
| Holmium | 0.57 | parts per million by weight | MS_ST_REE |
| Erbium | 1.6 | parts per million by weight | MS_ST_REE |
| Thulium | 0.23 | parts per million by weight | MS_ST_REE |
| Ytterbium | 1.5 | 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 | 0.07 | 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 | 0.006 | pct | ISE | T | HF-KMnO4-H2SO4 | USGS-BGC |
| Chromium | 184 | ppm | XRF | T | EDXRF | USGS-BGC |
| Chromium | 410 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | 32 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 18 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 75 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 580 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 14 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 114 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 365 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | 9.9 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Cerium | 39 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | 19 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Praseodymium | 2.4 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Neodymium | 10 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Samarium | 2.5 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Europium | 0.83 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Gadolinium | 2.8 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Terbium | 0.42 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Dysprosium | 3 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Holmium | 0.57 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Erbium | 1.6 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Thulium | 0.23 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Ytterbium | 1.5 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Al2O3 | 15.5 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 9.35 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.4 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 7.6 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 9.11 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.13 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.53 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 0.415 | pct | AA | T | fusion, FES | USGS-BGC |
| K2O | 0.43 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 0.39 | pct | GV | T | combustion | USGS-BGC |
| MgO | 8.57 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.17 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 2.89 | pct | AA | T | fusion, FES | USGS-BGC |
| Na2O | 2.8 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.26 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 52.4 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 1.33 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |