AGDB2 rock sample CHA071

(metamorphic, metafelsite)

Field Value
Lab ID CHA071
Field ID 84AGK026B
Job ID 12832
Sample submitter Grybeck, Donald J., and Cathrall, John B.
Project name Craig AMRAP
Date submitted 9/4/1984 0:00:00
Country United States
State AK
Map quadrangle Craig
Geographic latitude 55.23139
Geographic longitude -132.64861
Sample source mine/quarry
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metafelsite
Sample comment pyr in metafelsite
Additional sample attributes mixed base and precious metal ore minerals
Geologic age Late Precambrian--Cambrian
Stratigraphic unit Wales Grp
Mineralization type vein
Alteration type sericitic
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Geologic map unit -132.64861, 55.23139
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Beryllium <1 parts per million by weight ES_SQ
Boron <10 parts per million by weight ES_SQ
Scandium <5 parts per million by weight ES_SQ
Vanadium 30 parts per million by weight ES_SQ
Chromium <10 parts per million by weight ES_SQ
Cobalt 70 parts per million by weight ES_SQ
Nickel 5 parts per million by weight ES_SQ
Copper 5000 parts per million by weight ES_SQ
Zinc 200 parts per million by weight ES_SQ
Arsenic <200 parts per million by weight ES_SQ
Strontium <100 parts per million by weight ES_SQ
Yttrium 10 parts per million by weight ES_SQ
Zirconium 30 parts per million by weight ES_SQ
Niobium <20 parts per million by weight ES_SQ
Molybdenum 50 parts per million by weight ES_SQ
Silver 10 parts per million by weight ES_SQ
Cadmium <20 parts per million by weight ES_SQ
Tin <10 parts per million by weight ES_SQ
Antimony <100 parts per million by weight ES_SQ
Barium 700 parts per million by weight ES_SQ
Lanthanum <20 parts per million by weight ES_SQ
Tungsten <50 parts per million by weight ES_SQ
Gold 0.65 parts per million by weight AA_F_HBr
Lead 30 parts per million by weight ES_SQ
Bismuth <10 parts per million by weight ES_SQ
Thorium <100 parts per million by weight ES_SQ
Element Value Units Technique Digestion Decomposition Laboratory
Beryllium N1 ppm ES T semi-quant 6-step ES USGS-BEG
Boron L10 ppm ES T semi-quant 6-step ES USGS-BEG
Calcium L0.07 pct ES T semi-quant 6-step ES USGS-BEG
Scandium L5 ppm ES T semi-quant 6-step ES USGS-BEG
Vanadium 30 ppm ES T semi-quant 6-step ES USGS-BEG
Chromium N10 ppm ES T semi-quant 6-step ES USGS-BEG
Cobalt 70 ppm ES T semi-quant 6-step ES USGS-BEG
Nickel 5 ppm ES T semi-quant 6-step ES USGS-BEG
Copper 5000 ppm ES T semi-quant 6-step ES USGS-BEG
Zinc 200 ppm ES T semi-quant 6-step ES USGS-BEG
Arsenic N200 ppm ES T semi-quant 6-step ES USGS-BEG
Strontium N100 ppm ES T semi-quant 6-step ES USGS-BEG
Yttrium 10 ppm ES T semi-quant 6-step ES USGS-BEG
Zirconium 30 ppm ES T semi-quant 6-step ES USGS-BEG
Niobium N20 ppm ES T semi-quant 6-step ES USGS-BEG
Molybdenum 50 ppm ES T semi-quant 6-step ES USGS-BEG
Silver 10 ppm ES T semi-quant 6-step ES USGS-BEG
Cadmium N20 ppm ES T semi-quant 6-step ES USGS-BEG
Tin N10 ppm ES T semi-quant 6-step ES USGS-BEG
Antimony N100 ppm ES T semi-quant 6-step ES USGS-BEG
Barium 700 ppm ES T semi-quant 6-step ES USGS-BEG
Lanthanum N20 ppm ES T semi-quant 6-step ES USGS-BEG
Tungsten N50 ppm ES T semi-quant 6-step ES USGS-BEG
Gold 0.65 ppm AA T HBr-Br2 and MIBK USGS-BEG
Gold N10 ppm ES T semi-quant 6-step ES USGS-BEG
Lead 30 ppm ES T semi-quant 6-step ES USGS-BEG
Bismuth N10 ppm ES T semi-quant 6-step ES USGS-BEG
Thorium N100 ppm ES T semi-quant 6-step ES USGS-BEG
FeTO3 20 pct ES T semi-quant 6-step ES USGS-BEG
MgO 0.2 pct ES T semi-quant 6-step ES USGS-BEG
MnO 0.01 pct ES T semi-quant 6-step ES USGS-BEG
TiO2 0.15 pct ES T semi-quant 6-step ES USGS-BEG