| Field | Value |
|---|---|
| Lab ID | M202455 |
| Field ID | 84ER020A |
| 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 | 55.33333 |
| Geographic longitude | -131.50611 |
| 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 | -131.50611, 55.33333 |
| 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 | 11 | parts per million by weight | EDX |
| Zinc | 98 | parts per million by weight | EDX |
| Rubidium | 15 | parts per million by weight | EDX |
| Strontium | 670 | parts per million by weight | EDX |
| Yttrium | 24 | parts per million by weight | EDX |
| Zirconium | 100 | parts per million by weight | EDX |
| Niobium | 18 | parts per million by weight | EDX |
| Barium | 355 | parts per million by weight | EDX |
| Lanthanum | 19 | parts per million by weight | MS_ST_REE |
| Cerium | 39 | parts per million by weight | MS_ST_REE |
| Praseodymium | 5 | parts per million by weight | MS_ST_REE |
| Neodymium | 21 | parts per million by weight | MS_ST_REE |
| Samarium | 4.4 | parts per million by weight | MS_ST_REE |
| Europium | 1.3 | parts per million by weight | MS_ST_REE |
| Gadolinium | 4.9 | parts per million by weight | MS_ST_REE |
| Terbium | 0.66 | parts per million by weight | MS_ST_REE |
| Dysprosium | 4.1 | parts per million by weight | MS_ST_REE |
| Holmium | 0.86 | 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 | 2.1 | parts per million by weight | MS_ST_REE |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Fluorine | 0.05 | pct | ISE | T | LiBO2 or Na2CO3 fusion | USGS-BGC |
| Sulfur | 0.28 | pct | CB | T | infrared detector | USGS-BGC |
| Sulfur | <0.02 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | <0.02 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Chlorine | 0.009 | 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 | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 11 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 98 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 15 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 670 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 24 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 100 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | 18 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 355 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | 19 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Cerium | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | 39 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Praseodymium | 5 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Neodymium | 21 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Samarium | 4.4 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Europium | 1.3 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Gadolinium | 4.9 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Terbium | 0.66 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Dysprosium | 4.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Holmium | 0.86 | 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 | 2.1 | ppm | MS | T | Na2O2 sinter, REE pkg | USGS-BGC |
| Al2O3 | 17.5 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 10.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.23 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 8.8 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 11.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.15 | pct | GV | T | USGS-BGC | |
| H2Ob | 1.04 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 0.69 | pct | AA | T | fusion, FES | USGS-BGC |
| K2O | 0.68 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 0.53 | pct | GV | T | combustion | USGS-BGC |
| MgO | 5.78 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.17 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 3.01 | pct | AA | T | fusion, FES | USGS-BGC |
| Na2O | 2.92 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.51 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 48.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 2.62 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |