| Field | Value |
|---|---|
| Unique Sample ID Number | M174888 |
| Analytical Job Number | LS40 |
| Submitter Name | Brew, David A. |
| Date Submitted | 19860918 |
| Field Number | 65AFD32.1 |
| State | AK |
| Latitude | 58.36667 |
| Longitude | -134.55 |
| Source of Sample | outcrop |
| Collection Method | single/grab |
| Primary Classification | rock |
| Secondary Classification | metamorphic |
| Specific Name | metatuff |
| Additional Attributes and Comments | not metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite);; augite metatuff (greenstone); |
| Geologic Age or Range | Cretaceous |
| Stratigraphic Unit Name | DOUGLAS ISLAND VOLCANICS |
| Type of Metamorphism | regional |
| Metamorphic Facies or Grade | prehnite-pumpellyite metagraywacke |
| (click for info) | |
| Geologic map unit | -134.55, 58.36667 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Rubidium | L10 | ppm by weight | XRF |
| Strontium | 580 | ppm by weight | XRF |
| Yttrium | 13 | ppm by weight | XRF |
| Zirconium | 53 | ppm by weight | XRF |
| Niobium | L10 | ppm by weight | XRF |