Field | Value |
---|---|
Lab ID | M177872 |
Field ID | 82CC023 |
Job ID | LU87 |
Sample submitter | Shew, Nora B. |
Project name | Alaska Geochronology |
Date submitted | 5/20/1987 0:00:00 |
Country | United States |
State | AK |
Map quadrangle | Port Moller |
Geographic latitude | 55.20083 |
Geographic longitude | -160.555 |
Sample source | outcrop |
Collection method | grab/single |
Primary media type | rock |
Secondary media type | igneous |
Sample media name | quartz porphyry |
Sample comment | quartz porphyry |
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Geologic map unit | -160.555, 55.20083 |
Nearby scientific data | Find additional scientific data near this location |
Element | Measured value | Units of measure | Analytical method |
---|---|---|---|
Chromium | <20 | parts per million by weight | EDX |
Nickel | <10 | parts per million by weight | EDX |
Copper | <10 | parts per million by weight | EDX |
Zinc | 32 | parts per million by weight | EDX |
Rubidium | 26 | parts per million by weight | EDX |
Strontium | 334 | parts per million by weight | EDX |
Yttrium | 6 | parts per million by weight | EDX |
Zirconium | 57 | parts per million by weight | EDX |
Niobium | <10 | parts per million by weight | EDX |
Barium | 477 | parts per million by weight | EDX |
Lanthanum | <10 | parts per million by weight | EDX |
Cerium | 18 | parts per million by weight | EDX |
Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
---|---|---|---|---|---|---|
Chromium | L20 | ppm | XRF | T | EDXRF | USGS-BGC |
Nickel | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
Copper | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
Zinc | 32 | ppm | XRF | T | EDXRF | USGS-BGC |
Rubidium | 26 | ppm | XRF | T | EDXRF | USGS-BGC |
Strontium | 334 | ppm | XRF | T | EDXRF | USGS-BGC |
Yttrium | 6 | ppm | XRF | T | EDXRF | USGS-BGC |
Zirconium | 57 | ppm | XRF | T | EDXRF | USGS-BGC |
Niobium | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
Barium | 477 | ppm | XRF | T | EDXRF | USGS-BGC |
Lanthanum | L10 | ppm | XRF | T | EDXRF | USGS-BGC |
Cerium | 18 | ppm | XRF | T | EDXRF | USGS-BGC |
Al2O3 | 14.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
CaO | 3.78 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
CO2 | 0.14 | pct | TT | T | HClO4 | USGS-BGC |
FeO | 0.5 | pct | TT | T | HF-H2SO4 | USGS-BGC |
FeTO3 | 2.56 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
H2Om | 0.51 | pct | GV | T | USGS-BGC | |
H2Ob | 0.42 | pct | TT | T | flux and combustion, total H2O less moisture | USGS-BGC |
K2O | 1.28 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
LOI | 1.37 | pct | GV | T | combustion | USGS-BGC |
MgO | 0.9 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
MnO | 0.04 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
Na2O | 3.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
P2O5 | 0.06 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
SiO2 | 71.7 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |
TiO2 | 0.3 | pct | XRF | T | LiBO2-Li2B4O7 fusion | USGS-BGC |