AGDB2 concentrate sample CHA459

(panned, C3 fraction)

Field Value
Lab ID CHA459
Field ID 3219
Job ID 12863
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 65.51027
Geographic longitude -148.55444
loc_desc L Lillian Ck, Ron Tucker-Kathyrn Coon
Sample source stream sediment
Collection method grab/single
Primary media type concentrate
Secondary media type panned
Sample media name C3 fraction
Precursor rock placer
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 CHA459
Arsenopyrite 40%
Gold present
Pyrite 50%
Scheelite present
(click for info)
Geologic map unit -148.55444, 65.51027
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 0.1 percent by weight ES_SQ
Calcium 0.2 percent by weight ES_SQ
Scandium <10 parts per million by weight ES_SQ
Titanium 0.2 percent by weight ES_SQ
Vanadium 50 parts per million by weight ES_SQ
Chromium 1500 parts per million by weight ES_SQ
Manganese 0.01 percent by weight ES_SQ
Iron 15 percent by weight ES_SQ
Cobalt 100 parts per million by weight ES_SQ
Nickel 150 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 20000.11 parts per million by weight ES_SQ
Strontium <200 parts per million by weight ES_SQ
Yttrium 30 parts per million by weight ES_SQ
Zirconium 700 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
Silver 20 parts per million by weight ES_SQ
Cadmium <50 parts per million by weight ES_SQ
Tin 50 parts per million by weight ES_SQ
Antimony 2000 parts per million by weight ES_SQ
Barium 1500 parts per million by weight ES_SQ
Lanthanum <50 parts per million by weight ES_SQ
Tungsten 1000 parts per million by weight ES_SQ
Gold 70 parts per million by weight ES_SQ
Lead 1000 parts per million by weight ES_SQ
Bismuth 30 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-BEG
Boron N20 ppm ES T semi-quant 6-step ES USGS-BEG
Magnesium 0.1 pct ES T semi-quant 6-step ES USGS-BEG
Calcium 0.2 pct ES T semi-quant 6-step ES USGS-BEG
Scandium N10 ppm ES T semi-quant 6-step ES USGS-BEG
Titanium 0.2 pct ES T semi-quant 6-step ES USGS-BEG
Vanadium 50 ppm ES T semi-quant 6-step ES USGS-BEG
Chromium 1500 ppm ES T semi-quant 6-step ES USGS-BEG
Manganese 0.01 pct ES T semi-quant 6-step ES USGS-BEG
Iron 15 pct ES T semi-quant 6-step ES USGS-BEG
Cobalt 100 ppm ES T semi-quant 6-step ES USGS-BEG
Nickel 150 ppm ES T semi-quant 6-step ES USGS-BEG
Copper 50 ppm ES T semi-quant 6-step ES USGS-BEG
Zinc 500 ppm ES T semi-quant 6-step ES USGS-BEG
Arsenic G20000 ppm ES T semi-quant 6-step ES USGS-BEG
Strontium N200 ppm ES T semi-quant 6-step ES USGS-BEG
Yttrium 30 ppm ES T semi-quant 6-step ES USGS-BEG
Zirconium 700 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
Silver 20 ppm ES T semi-quant 6-step ES USGS-BEG
Cadmium N50 ppm ES T semi-quant 6-step ES USGS-BEG
Tin 50 ppm ES T semi-quant 6-step ES USGS-BEG
Antimony 2000 ppm ES T semi-quant 6-step ES USGS-BEG
Barium 1500 ppm ES T semi-quant 6-step ES USGS-BEG
Lanthanum N50 ppm ES T semi-quant 6-step ES USGS-BEG
Tungsten 1000 ppm ES T semi-quant 6-step ES USGS-BEG
Gold 70 ppm ES T semi-quant 6-step ES USGS-BEG
Lead 1000 ppm ES T semi-quant 6-step ES USGS-BEG
Bismuth 30 ppm ES T semi-quant 6-step ES USGS-BEG
Thorium N200 ppm ES T semi-quant 6-step ES USGS-BEG