| Field | Value |
|---|---|
| Lab ID | M193279 |
| Field ID | 90RN129A |
| Job ID | MF87 |
| Sample submitter | Brew, David A. |
| Project name | Greater Juneau Geologic Investigations |
| Date submitted | 8/9/1990 0:00:00 |
| Country | United States |
| State | AK |
| Map quadrangle | Juneau |
| Geographic latitude | 58.86389 |
| Geographic longitude | -135.09722 |
| Sample source | drill core |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | quartz diorite porphyry |
| Sample comment | crowded plag porphyry |
| Geologic age | Cretaceous |
| Stratigraphic unit | Bcuners Fm(?) |
| Igneous setting | dike/sill |
| (click for info) | |
| Geologic map unit | -135.09722, 58.86389 |
| 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 | 40 | parts per million by weight | EDX |
| Zinc | 146 | parts per million by weight | EDX |
| Rubidium | 34 | parts per million by weight | EDX |
| Strontium | 1000 | parts per million by weight | EDX |
| Yttrium | 10 | parts per million by weight | EDX |
| Zirconium | 80 | parts per million by weight | EDX |
| Niobium | <10 | parts per million by weight | EDX |
| Barium | 1600 | parts per million by weight | EDX |
| Lanthanum | <30 | parts per million by weight | EDX |
| Cerium | <30 | parts per million by weight | EDX |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Sulfur | 0.088 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | 0.088 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Chromium | L20 | ppm | XRF | T | EDXRF | USGS-BGC |
| Chromium | <270 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 40 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 146 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 34 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 1000 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 80 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 1600 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Al2O3 | 17.6 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 6.24 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CO2 | 0.25 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 3.93 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 5.69 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| H2Om | 0.1 | pct | GV | T | USGS-BGC | |
| H2Ob | 1.4 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
| K2O | 2 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 1.71 | pct | GV | T | combustion | USGS-BGC |
| MgO | 1.82 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.23 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 3.86 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.23 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 59.2 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 0.41 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |