Field | Value |
---|---|

Lab ID | CHA568 |

Field ID | 3127 |

Job ID | 12869 |

Sample submitter | Cathrall, John B., Antweiler, John C., and Tripp, Richard B. |

Project name | Alaska Gold Deposits |

Date submitted | 3/5/1985 0:00:00 |

Country | United States |

State | AK |

Map quadrangle | Livengood |

Geographic latitude | 65.06666 |

Geographic longitude | -147.36 |

loc_desc | Burgraff |

Sample source | stream sediment |

Collection method | grab/single |

Primary media type | concentrate |

Secondary media type | panned |

Sample media name | C3 fraction |

Sample preparation method | -30 HMC, bromoform @ 2.85 SG, modified Frantz ~ 0.7 amp w 5° slope & 10° tilt |

Sieve size | -30 mesh |

Lab ID | CHA568 |

Arsenopyrite | present |

Scheelite | present |

Stibnite | present |

(click for info) | |

Geologic map unit | -147.36, 65.06666 |

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 | <0.05 | percent by weight | ES_SQ |

Calcium | <0.1 | percent by weight | ES_SQ |

Scandium | <10 | parts per million by weight | ES_SQ |

Titanium | 0.05 | percent by weight | ES_SQ |

Vanadium | <20 | parts per million by weight | ES_SQ |

Chromium | <20 | parts per million by weight | ES_SQ |

Manganese | 0.007 | percent by weight | ES_SQ |

Iron | 1 | percent by weight | ES_SQ |

Cobalt | <10 | parts per million by weight | ES_SQ |

Nickel | <10 | parts per million by weight | ES_SQ |

Copper | 50 | parts per million by weight | ES_SQ |

Zinc | <500 | parts per million by weight | ES_SQ |

Arsenic | 5000 | parts per million by weight | ES_SQ |

Strontium | <200 | parts per million by weight | ES_SQ |

Yttrium | <20 | parts per million by weight | ES_SQ |

Zirconium | <20 | parts per million by weight | ES_SQ |

Niobium | <50 | parts per million by weight | ES_SQ |

Molybdenum | <10 | parts per million by weight | ES_SQ |

Ruthenium | <0.001 | parts per million by weight | FA_ES |

Rhodium | <0.001 | parts per million by weight | FA_ES |

Palladium | <0.001 | parts per million by weight | FA_ES |

Silver | 30 | parts per million by weight | ES_SQ |

Cadmium | <50 | parts per million by weight | ES_SQ |

Tin | <20 | parts per million by weight | ES_SQ |

Antimony | 5000 | parts per million by weight | ES_SQ |

Barium | <50 | parts per million by weight | ES_SQ |

Lanthanum | <50 | parts per million by weight | ES_SQ |

Tungsten | <100 | parts per million by weight | ES_SQ |

Osmium | <0.003 | parts per million by weight | FA_ES |

Iridium | <0.001 | parts per million by weight | FA_ES |

Platinum | 0.004 | parts per million by weight | FA_ES |

Gold | <20 | parts per million by weight | ES_SQ |

Lead | 2000 | 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 |

splwtfa | 9.31 | grams | GV |

Element | Value | Units | Technique | Digestion | Decomposition | Laboratory |
---|---|---|---|---|---|---|

Beryllium | N2 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Boron | 20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Magnesium | L0.05 | pct | ES | T | semi-quant 6-step ES | USGS-BEG |

Calcium | L0.1 | pct | ES | T | semi-quant 6-step ES | USGS-BEG |

Scandium | N10 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Titanium | 0.05 | pct | ES | T | semi-quant 6-step ES | USGS-BEG |

Vanadium | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Chromium | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Manganese | 0.007 | pct | ES | T | semi-quant 6-step ES | USGS-BEG |

Iron | 1 | pct | ES | T | semi-quant 6-step ES | USGS-BEG |

Cobalt | N10 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Nickel | N10 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Copper | 50 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Zinc | N500 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Arsenic | 5000 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Strontium | N200 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Yttrium | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Zirconium | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Niobium | N50 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Molybdenum | N10 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Ruthenium | L0.001 | ppm | FA | T | PbO fire assay, ES | USGS-BGC |

Rhodium | L0.001 | ppm | FA | T | PbO fire assay, ES | USGS-BGC |

Palladium | L0.001 | ppm | FA | T | PbO fire assay, ES | USGS-BGC |

Silver | 30 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Cadmium | N50 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Tin | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Antimony | 5000 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Barium | L50 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Lanthanum | N50 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Tungsten | N100 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Osmium | L0.003 | ppm | FA | T | PbO fire assay, ES | USGS-BGC |

Iridium | L0.001 | ppm | FA | T | PbO fire assay, ES | USGS-BGC |

Platinum | 0.004 | ppm | FA | T | PbO fire assay, ES | USGS-BGC |

Gold | N20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Lead | 2000 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Bismuth | L20 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

Thorium | N200 | ppm | ES | T | semi-quant 6-step ES | USGS-BEG |

SplWtFA | 9.31 | g | GV | T | USGS-BEG |