| Field | Value |
|---|---|
| Unique Sample ID Number | M178981 |
| Analytical Job Number | LV55 |
| Submitter Name | Brew, David A. |
| Date Submitted | 19870722 |
| Field Number | 87RN284F |
| State | AK |
| Latitude | 58.08194 |
| Longitude | -134.63333 |
| Source of Sample | mine/quarry |
| Collection Method | composite |
| Primary Classification | rock |
| Secondary Classification | metamorphic |
| Specific Name | marble |
| Additional Attributes and Comments | metasomatism unknown; quartz present; calcareous or dolomitic (marble);; qtz vn'd silecous graphitic limestone; |
| Geologic Age or Range | Devonian--Triassic |
| Stratigraphic Unit Name | GRNS CREEK MINE "ARGILLITE" |
| Alteration | altrtn present |
| Type of Metamorphism | 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 |
|---|---|---|---|
| Na2O | 2.92 | percent by weight | XRF |
| MgO | 1.43 | percent by weight | XRF |
| Al2O3 | 14 | percent by weight | XRF |
| SiO2 | 69.1 | percent by weight | XRF |
| P2O5 | 0.16 | percent by weight | XRF |
| K2O | 2.41 | percent by weight | XRF |
| CaO | 0.47 | percent by weight | XRF |
| TiO2 | 0.5 | percent by weight | XRF |
| Chromium | 30 | ppm by weight | XRF |
| MnO | 0.06 | percent by weight | XRF |
| FeO | 2.6 | percent by weight | Titration |
| FeTO3 | 4.82 | percent Fe2O3 by weight | XRF |
| Nickel | L20 | ppm by weight | XRF |
| Rubidium | 42 | ppm by weight | XRF |
| Strontium | 30 | ppm by weight | XRF |
| Yttrium | 26 | ppm by weight | XRF |
| Zirconium | 110 | ppm by weight | XRF |
| Niobium | 16 | ppm by weight | XRF |