| Field | Value |
|---|---|
| Unique Sample ID Number | M193271 |
| Analytical Job Number | MF87 |
| Submitter Name | Brew, David A. |
| Date Submitted | 19900809 |
| Field Number | 90RN123C |
| State | AK |
| Latitude | 58.29861 |
| Longitude | -134.33333 |
| Source of Sample | mine/quarry |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | metamorphic |
| Specific Name | amphibolite |
| Additional Attributes and Comments | metasomatism unknown; quartz absent; mafic (greenstone, greenschist, amphibolite);; amphibolite; |
| Geologic Age or Range | Mesozoic undifferentiated |
| Stratigraphic Unit Name | AJ METAGABBRO |
| Type of Metamorphism | regional |
| Metamorphic Facies or Grade | greenschist |
| (click for info) | |
| Geologic map unit | -134.33333, 58.29861 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| LOI | 0.94 | percent by weight | (unknown method) |
| H2O+ | 1.68 | percent bound water | (unknown method) |
| H2O- | 0.04 | percent moisture | (unknown method) |
| CO2 | 0.47 | percent by weight | Titration |
| Na2O | 2.08 | percent by weight | XRF |
| MgO | 8.38 | percent by weight | XRF |
| Al2O3 | 14.7 | percent by weight | XRF |
| SiO2 | 48.3 | percent by weight | XRF |
| P2O5 | 0.12 | percent by weight | XRF |
| K2O | 0.08 | percent by weight | XRF |
| CaO | 11.5 | percent by weight | XRF |
| TiO2 | 1.5 | percent by weight | XRF |
| Chromium | 400 | ppm by weight | XRF |
| MnO | 0.17 | percent by weight | XRF |
| FeO | 9.1 | percent by weight | Titration |
| FeTO3 | 12.4 | percent Fe2O3 by weight | XRF |
| Nickel | 118 | ppm by weight | XRF |
| Copper | 72 | ppm by weight | XRF |
| Zinc | 80 | ppm by weight | XRF |
| Rubidium | L10 | ppm by weight | XRF |
| Strontium | 172 | ppm by weight | XRF |
| Yttrium | 18 | ppm by weight | XRF |
| Zirconium | 82 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |
| Barium | 48 | ppm by weight | XRF |
| Lanthanum | L30 | ppm by weight | XRF |
| Cerium | L30 | ppm by weight | XRF |