| Field | Value |
|---|---|
| Lab ID | M202466 |
| Field ID | 84ER028A |
| 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 | 55.34806 |
| Geographic longitude | -131.49167 |
| 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 | -131.49167, 55.34806 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | 110 | parts per million by weight | EDX |
| Nickel | 34 | parts per million by weight | EDX |
| Copper | 17 | parts per million by weight | EDX |
| Zinc | 94 | parts per million by weight | EDX |
| Rubidium | 16 | parts per million by weight | EDX |
| Strontium | 730 | parts per million by weight | EDX |
| Yttrium | 22 | parts per million by weight | EDX |
| Zirconium | 80 | parts per million by weight | EDX |
| Niobium | <10 | parts per million by weight | EDX |
| Barium | 510 | parts per million by weight | EDX |
| Lanthanum | 26 | parts per million by weight | MS_ST_REE |
| Cerium | 51 | parts per million by weight | MS_ST_REE |
| Praseodymium | 6.3 | parts per million by weight | MS_ST_REE |
| Neodymium | 25 | parts per million by weight | MS_ST_REE |
| Samarium | 5.2 | parts per million by weight | MS_ST_REE |
| Europium | 1.4 | parts per million by weight | MS_ST_REE |
| Gadolinium | 5.2 | parts per million by weight | MS_ST_REE |
| Terbium | 0.76 | parts per million by weight | MS_ST_REE |
| Dysprosium | 5.1 | parts per million by weight | MS_ST_REE |
| Holmium | 0.95 | parts per million by weight | MS_ST_REE |
| Erbium | 2.4 | parts per million by weight | MS_ST_REE |
| Thulium | 0.32 | parts per million by weight | MS_ST_REE |
| Ytterbium | 2.3 | parts per million by weight | MS_ST_REE |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Fluorine | 0.04 | pct | ISE | T | LiBO2 or Na2CO3 fusion | USGS-BGC |
| Sulfur | 0.01 | pct | CB | T | infrared detector | USGS-BGC |
| Sulfur | 0.028 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | 0.028 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Chlorine | 0.01 | pct | ISE | T | HF-KMnO4-H2SO4 | USGS-BGC |
| Chromium | 110 | ppm | XRF | T | EDXRF | USGS-BGC |
| Chromium | 270 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | 34 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 17 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 94 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 16 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 730 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 22 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 80 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 510 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | 26 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Cerium | 56 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | 51 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Praseodymium | 6.3 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Neodymium | 25 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Samarium | 5.2 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Europium | 1.4 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Gadolinium | 5.2 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Terbium | 0.76 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Dysprosium | 5.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Holmium | 0.95 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Erbium | 2.4 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Thulium | 0.32 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Ytterbium | 2.3 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Al2O3 | 17.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 8.31 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.39 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 6.9 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 8.29 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.14 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.64 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 0.628 | pct | AA | T | fusion, FES | USGS-BGC |
| K2O | 0.64 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 0.47 | pct | GV | T | combustion | USGS-BGC |
| MgO | 5.5 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.14 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 3.75 | pct | AA | T | fusion, FES | USGS-BGC |
| Na2O | 3.68 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.54 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 54 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 1.18 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |