| Field | Value |
|---|---|
| Lab ID | CFB354 |
| Field ID | 1391 |
| Job ID | 11919 |
| Sample submitter | Brew, David A., and Cathrall, John B. |
| Project name | Petersburg AMRAP |
| Date submitted | 8/12/1981 0:00:00 |
| Country | United States |
| State | AK |
| Map quadrangle | Petersburg |
| Geographic latitude | 56.51666 |
| Geographic longitude | -132.08888 |
| Sample source | stream sediment |
| Collection method | grab/single |
| Primary media type | concentrate |
| Secondary media type | panned |
| Sample media name | C3 fraction |
| Sample preparation method | -35 HMC, bromoform @ 2.85 SG, magnetic mnrls removed w hand-held magnet, Frantz @ 0.2 & 0.6 amp |
| Sieve size | -35 mesh |
| Lab ID | CFB354 |
| Cassiterite | present |
| Scheelite | present |
| (click for info) | |
| Geologic map unit | -132.08888, 56.51666 |
| Nearby scientific data | Find additional scientific data near this location |
| Element | Measured value | Units of measure | Analytical method |
|---|---|---|---|
| Beryllium | <2 | parts per million by weight | ES_SQ |
| Boron | 20 | parts per million by weight | ES_SQ |
| Magnesium | 5 | percent by weight | ES_SQ |
| Calcium | 10 | percent by weight | ES_SQ |
| Scandium | 10 | parts per million by weight | ES_SQ |
| Titanium | 2.11 | percent by weight | ES_SQ |
| Vanadium | 1500 | parts per million by weight | ES_SQ |
| Chromium | 150 | parts per million by weight | ES_SQ |
| Manganese | 0.15 | percent by weight | ES_SQ |
| Iron | 2 | percent by weight | ES_SQ |
| Cobalt | 10 | parts per million by weight | ES_SQ |
| Nickel | <10 | parts per million by weight | ES_SQ |
| Copper | 150 | parts per million by weight | ES_SQ |
| Zinc | <500 | parts per million by weight | ES_SQ |
| Arsenic | <500 | parts per million by weight | ES_SQ |
| Strontium | 200 | parts per million by weight | ES_SQ |
| Yttrium | 1000 | parts per million by weight | ES_SQ |
| Zirconium | 2000.11 | parts per million by weight | ES_SQ |
| Niobium | 500 | parts per million by weight | ES_SQ |
| Molybdenum | <10 | parts per million by weight | ES_SQ |
| Silver | <1 | parts per million by weight | ES_SQ |
| Cadmium | <50 | parts per million by weight | ES_SQ |
| Tin | 2000 | parts per million by weight | ES_SQ |
| Antimony | <200 | parts per million by weight | ES_SQ |
| Barium | 1000 | parts per million by weight | ES_SQ |
| Lanthanum | 300 | parts per million by weight | ES_SQ |
| Tungsten | 700 | parts per million by weight | ES_SQ |
| Gold | <20 | parts per million by weight | ES_SQ |
| Lead | 30 | parts per million by weight | ES_SQ |
| Bismuth | <20 | parts per million by weight | ES_SQ |
| Thorium | <200 | parts per million by weight | ES_SQ |
| Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
|---|---|---|---|---|---|---|
| Beryllium | N2 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Boron | 20 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Magnesium | 5 | pct | ES | T | semi-quant 6-step ES | USGS-BOER |
| Calcium | 10 | pct | ES | T | semi-quant 6-step ES | USGS-BOER |
| Scandium | 10 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Titanium | G2 | pct | ES | T | semi-quant 6-step ES | USGS-BOER |
| Vanadium | 1500 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Chromium | 150 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Manganese | 0.15 | pct | ES | T | semi-quant 6-step ES | USGS-BOER |
| Iron | 2 | pct | ES | T | semi-quant 6-step ES | USGS-BOER |
| Cobalt | 10 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Nickel | N10 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Copper | 150 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Zinc | N500 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Arsenic | N500 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Strontium | 200 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Yttrium | 1000 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Zirconium | G2000 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Niobium | 500 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Molybdenum | N10 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Silver | N1 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Cadmium | N50 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Tin | 2000 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Antimony | N200 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Barium | 1000 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Lanthanum | 300 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Tungsten | 700 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Gold | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Lead | 30 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Bismuth | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |
| Thorium | N200 | ppm | ES | T | semi-quant 6-step ES | USGS-BOER |