| Field | Value |
|---|---|
| Lab ID | M193444 |
| Field ID | 90DB128C |
| 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 | 58.86583 |
| Geographic longitude | -135.10111 |
| Sample source | mine/quarry |
| Collection method | grab/single |
| Primary media type | rock |
| Secondary media type | metamorphic |
| Sample media name | hornfels |
| Sample comment | amphibole hornfels |
| Additional sample attributes | metasomatism unknown; quartz absent; mafic (greenstone, greenschist, amphibolite) |
| Geologic age | Cretaceous |
| Metamorphic setting | contact |
| Metamorphic facies or grade | hornblende hornfels |
| (click for info) | |
| Geologic map unit | -135.10111, 58.86583 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | 310 | parts per million by weight | EDX |
| Nickel | 120 | parts per million by weight | EDX |
| Copper | 90 | parts per million by weight | EDX |
| Zinc | 112 | parts per million by weight | EDX |
| Rubidium | <10 | parts per million by weight | EDX |
| Strontium | 162 | parts per million by weight | EDX |
| Yttrium | 72 | parts per million by weight | EDX |
| Zirconium | 82 | parts per million by weight | EDX |
| Niobium | 18 | parts per million by weight | EDX |
| Barium | 88 | 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 | 310 | ppm | XRF | T | EDXRF | USGS-BGC |
| Chromium | 340 | ppm | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Nickel | 120 | ppm | XRF | T | EDXRF | USGS-BGC |
| Copper | 90 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zinc | 112 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 162 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 72 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 82 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | 18 | ppm | XRF | T | EDXRF | USGS-BGC |
| Barium | 88 | ppm | XRF | T | EDXRF | USGS-BGC |
| Lanthanum | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Cerium | L30 | ppm | XRF | T | EDXRF | USGS-BGC |
| CO2 | 1.52 | pct | TT | T | HClO4 | USGS-BGC |
| FeO | 8.99 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| H2Om | L0.01 | pct | GV | T | USGS-BGC | |
| H2Ob | 2.32 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |