| Field | Value |
|---|---|
| Lab ID | M178981 |
| Field ID | 87RN284F |
| Job ID | LV55 |
| Sample submitter | Brew, David A. |
| Project name | Juneau AMRAP |
| Date submitted | 7/22/1987 0:00:00 |
| Country | United States |
| State | AK |
| Map quadrangle | Juneau |
| Geographic latitude | 58.08194 |
| Geographic longitude | -134.63333 |
| loc_desc | 920 Adit Greens Ck VMS deposit area |
| Sample source | mine/quarry |
| Collection method | composite |
| Primary media type | rock |
| Secondary media type | metamorphic |
| Sample media name | meta-argillite |
| Sample comment | silic ARG; protolith silic shale |
| Additional sample attributes | metasomatism unknown; quartz present; calcareous or dolomitic (marble) |
| Geologic age | Devonian--Triassic |
| Stratigraphic unit | Greens Ck mine ""argillite |
| Alteration type | altered |
| Metamorphic setting | shear |
| Metamorphic facies or grade | greenschist |
| (click for info) | |
| Geologic map unit | -134.63333, 58.08194 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Chromium | 30 | parts per million by weight | EDX |
| Nickel | <20 | parts per million by weight | EDX |
| Rubidium | 42 | parts per million by weight | EDX |
| Strontium | 30 | parts per million by weight | EDX |
| Yttrium | 26 | parts per million by weight | EDX |
| Zirconium | 110 | parts per million by weight | EDX |
| Niobium | 16 | parts per million by weight | EDX |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Sulfur | 0.068 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Sulfur | 0.068 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Chromium | 30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Nickel | L20 | ppm | XRF | T | EDXRF | USGS-BGC |
| Rubidium | 42 | ppm | XRF | T | EDXRF | USGS-BGC |
| Strontium | 30 | ppm | XRF | T | EDXRF | USGS-BGC |
| Yttrium | 26 | ppm | XRF | T | EDXRF | USGS-BGC |
| Zirconium | 110 | ppm | XRF | T | EDXRF | USGS-BGC |
| Niobium | 16 | ppm | XRF | T | EDXRF | USGS-BGC |
| Al2O3 | 14 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| CaO | 0.47 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| FeO | 2.6 | pct | TT | T | HF-H2SO4 | USGS-BGC |
| FeTO3 | 4.82 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| K2O | 2.41 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| LOI | 4.2 | pct | GV | T | combustion | USGS-BGC |
| MgO | 1.43 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| MnO | 0.06 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| Na2O | 2.92 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| P2O5 | 0.16 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| SiO2 | 69.1 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
| TiO2 | 0.5 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |