AGDB2 concentrate sample D284254

(panned, C3 fraction)

Field Value
Lab ID D284254
Field ID LH0003H
Job ID SJ98
Sample submitter Allen, Michael S.
Project name Lime Hills AMRAP
Date submitted 9/4/1987 0:00:00
Country United States
State AK
Map quadrangle Lime Hills
Geographic latitude 61.71611
Geographic longitude -153.73833
Sample source stream sediment
Primary media type concentrate
Secondary media type panned
Sample media name C3 fraction
Sample preparation method -20 HMC, bromoform @ 2.85 SG, modified Frantz ~ @ 0.2 & 0.6 amp w 15° slope & 10° tilt
Sieve size -30 mesh
Lab ID D284254
Arsenopyrite present
Gold trace
Barite present
Chalcopyrite <1%
Monazite <1%
Pyrite present
Scheelite present
Thorite <1%
Ore mineral comments 1 g Au; Tripp: AU, ARS, PYR, BAR, SCH, v tiny dull luster AU; 2000 ppm Th (Th-rich ZIR);
Rock forming mineral comments 1-2% APT, 2-10% Q/F, <1% RUT, 1-2% SPN, abundant ZIR, <1% RX1; spl mostly ZIR; in KJf
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Geologic map unit -153.73833, 61.71611
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
Sodium 0.5 percent by weight ES_SQ
Magnesium <0.05 percent by weight ES_SQ
Phosphorus 0.7 percent by weight ES_SQ
Calcium 0.7 percent by weight ES_SQ
Scandium 50 parts per million by weight ES_SQ
Titanium 0.2 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 2 percent by weight ES_SQ
Cobalt <20 parts per million by weight ES_SQ
Nickel <10 parts per million by weight ES_SQ
Copper 20 parts per million by weight ES_SQ
Zinc <500 parts per million by weight ES_SQ
Gallium <10 parts per million by weight ES_SQ
Germanium <20 parts per million by weight ES_SQ
Arsenic 1500 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 <50 parts per million by weight ES_SQ
Molybdenum 70 parts per million by weight ES_SQ
Palladium <5 parts per million by weight ES_SQ
Silver 5 parts per million by weight ES_SQ
Cadmium <50 parts per million by weight ES_SQ
Tin 150 parts per million by weight ES_SQ
Antimony <200 parts per million by weight ES_SQ
Barium 3000 parts per million by weight ES_SQ
Lanthanum <100 parts per million by weight ES_SQ
Tungsten 500 parts per million by weight ES_SQ
Platinum <20 parts per million by weight ES_SQ
Gold <20 parts per million by weight ES_SQ
Lead 200 parts per million by weight ES_SQ
Bismuth 150 parts per million by weight ES_SQ
Thorium 2000 parts per million by weight ES_SQ
Uranium 2000 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-BGC
Boron 20 ppm ES T semi-quant 6-step ES USGS-BGC
Sodium 0.5 pct ES T semi-quant 6-step ES USGS-BGC
Magnesium L0.05 pct ES T semi-quant 6-step ES USGS-BGC
Phosphorus 0.7 pct ES T semi-quant 6-step ES USGS-BGC
Calcium 0.7 pct ES T semi-quant 6-step ES USGS-BGC
Scandium 50 ppm ES T semi-quant 6-step ES USGS-BGC
Titanium 0.2 pct ES T semi-quant 6-step ES USGS-BGC
Vanadium N20 ppm ES T semi-quant 6-step ES USGS-BGC
Chromium N20 ppm ES T semi-quant 6-step ES USGS-BGC
Manganese 0.007 pct ES T semi-quant 6-step ES USGS-BGC
Iron 2 pct ES T semi-quant 6-step ES USGS-BGC
Cobalt L20 ppm ES T semi-quant 6-step ES USGS-BGC
Nickel L10 ppm ES T semi-quant 6-step ES USGS-BGC
Copper 20 ppm ES T semi-quant 6-step ES USGS-BGC
Zinc N500 ppm ES T semi-quant 6-step ES USGS-BGC
Gallium N10 ppm ES T semi-quant 6-step ES USGS-BGC
Germanium N20 ppm ES T semi-quant 6-step ES USGS-BGC
Arsenic 1500 ppm ES T semi-quant 6-step ES USGS-BGC
Strontium N200 ppm ES T semi-quant 6-step ES USGS-BGC
Yttrium 1000 ppm ES T semi-quant 6-step ES USGS-BGC
Zirconium G2000 ppm ES T semi-quant 6-step ES USGS-BGC
Niobium L50 ppm ES T semi-quant 6-step ES USGS-BGC
Molybdenum 70 ppm ES T semi-quant 6-step ES USGS-BGC
Palladium N5 ppm ES T semi-quant 6-step ES USGS-BGC
Silver 5 ppm ES T semi-quant 6-step ES USGS-BGC
Cadmium N50 ppm ES T semi-quant 6-step ES USGS-BGC
Tin 150 ppm ES T semi-quant 6-step ES USGS-BGC
Antimony N200 ppm ES T semi-quant 6-step ES USGS-BGC
Barium 3000 ppm ES T semi-quant 6-step ES USGS-BGC
Lanthanum N100 ppm ES T semi-quant 6-step ES USGS-BGC
Tungsten 500 ppm ES T semi-quant 6-step ES USGS-BGC
Platinum N20 ppm ES T semi-quant 6-step ES USGS-BGC
Gold N20 ppm ES T semi-quant 6-step ES USGS-BGC
Lead 200 ppm ES T semi-quant 6-step ES USGS-BGC
Bismuth 150 ppm ES T semi-quant 6-step ES USGS-BGC
Thorium 2000 ppm ES T semi-quant 6-step ES USGS-BGC
Uranium 2000 ppm ES T semi-quant 6-step ES USGS-BGC