Field | Value |
---|---|
Unique Sample ID Number | M193435 |
Analytical Job Number | MF98 |
Submitter Name | Brew, David A. |
Date Submitted | 19900824 |
Field Number | 90RN164A |
State | AK |
Latitude | 56.50944 |
Longitude | -132.05306 |
Source of Sample | drill core |
Collection Method | composite |
Primary Classification | rock |
Secondary Classification | igneous |
Specific Name | rhyolite porphyry |
Additional Attributes and Comments | porphyritic rhyolite; |
Geologic Age or Range | Miocene |
Stratigraphic Unit Name | GRNDHOG BASIN RHYOLITE |
Igneous Structural Setting | dike/sill |
(click for info) | |
Geologic map unit | -132.05306, 56.50944 |
Nearby scientific data | Find additional scientific data near this location |
Element | Measured value | Units of measure | Analytical method |
---|---|---|---|
LOI | 0.36 | percent by weight | (unknown method) |
Fluorine | 0.74 | percent by weight | ISE |
Na2O | 4.35 | percent by weight | XRF |
MgO | L0.1 | percent by weight | XRF |
Al2O3 | 13.2 | percent by weight | XRF |
SiO2 | 74.5 | percent by weight | XRF |
P2O5 | L0.05 | percent by weight | XRF |
Chlorine | 0.008 | percent by weight | ISE |
K2O | 4.53 | percent by weight | XRF |
CaO | 0.5 | percent by weight | XRF |
TiO2 | 0.02 | percent by weight | XRF |
MnO | L0.02 | percent by weight | XRF |
FeO | 0.88 | percent by weight | Titration |
FeTO3 | 1.14 | percent Fe2O3 by weight | XRF |
Rubidium | 620 | ppm by weight | XRF |
Strontium | 12 | ppm by weight | XRF |
Yttrium | 188 | ppm by weight | XRF |
Zirconium | 136 | ppm by weight | XRF |
Niobium | 84 | ppm by weight | XRF |
Molybdenum | L20 | ppm by weight | XRF |
Tin | 33 | ppm by weight | XRF |
Barium | L30 | ppm by weight | XRF |
Lanthanum | L30 | ppm by weight | XRF |
Cerium | 64 | ppm by weight | XRF |