| Field | Value |
|---|---|
| Lab ID | M193439 |
| Field ID | 90DB125A |
| Job ID | MF99 |
| Sample submitter | Brew, David A. |
| Project name | Greater Juneau Geologic Investigations |
| Date submitted | 8/24/1990 0:00:00 |
| Country | United States |
| State | AK |
| Map quadrangle | Juneau |
| Geographic latitude | 58.08167 |
| Geographic longitude | -134.6325 |
| Sample source | drill core |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | igneous |
| Sample media name | dacite |
| Sample comment | chlorite dacite |
| Geologic age | Triassic--Cretaceous |
| Igneous setting | dike/sill |
| (click for info) | |
| Geologic map unit | -134.6325, 58.08167 |
| 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 | 20 | parts per million by weight | EDX |
| Zinc | 52 | parts per million by weight | EDX |
| Rubidium | 62 | parts per million by weight | EDX |
| Strontium | 730 | parts per million by weight | EDX |
| Yttrium | 10 | parts per million by weight | EDX |
| Zirconium | 124 | parts per million by weight | EDX |
| Niobium | 14 | 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 | <0.02 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | <0.02 | 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 | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 20 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 52 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 62 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 730 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 124 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | 14 | 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 |
| CO2 | 0.68 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 0.38 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| H2Om | 0.01 | pct | GV | T | USGS-BGC | |
| H2Ob | 0.74 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |