AGDB2 rock sample CAS139

(metamorphic, metapelite)

Field Value
Lab ID CAS139
Field ID 75BG209C
Job ID 10357
Sample submitter Berg, Henry C.
Project name Ketchikan AMRAP
Date submitted 8/9/1975 0:00:00
Country United States
State AK
Map quadrangle Ketchikan
Geographic latitude 55.38611
Geographic longitude -131.46722
loc_desc Londevan Mine
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metapelite
Sample comment Londevan Mine, qtz vein cutting metapelite; w py
Additional sample attributes silica matrix; oxidized; base metal ore minerals
Mineralization type vein
Alteration type altered
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Geologic map unit -131.46722, 55.38611
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
Vanadium 30 parts per million by weight ES_SQ
Chromium <10 parts per million by weight ES_SQ
Cobalt 5 parts per million by weight ES_SQ
Nickel 10 parts per million by weight ES_SQ
Copper <5 parts per million by weight ES_SQ
Zinc 15 parts per million by weight AA_F_HNO3_P
Arsenic <200 parts per million by weight ES_SQ
Yttrium <10 parts per million by weight ES_SQ
Niobium <20 parts per million by weight ES_SQ
Molybdenum <5 parts per million by weight ES_SQ
Silver <0.5 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
Lanthanum <20 parts per million by weight ES_SQ
Tungsten <50 parts per million by weight ES_SQ
Gold <0.05 parts per million by weight AA_F_HBr
Lead <10 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-BOER
Vanadium 30 ppm ES T semi-quant 6-step ES USGS-BOER
Chromium N10 ppm ES T semi-quant 6-step ES USGS-BOER
Cobalt 5 ppm ES T semi-quant 6-step ES USGS-BOER
Nickel 10 ppm ES T semi-quant 6-step ES USGS-BOER
Copper L5 ppm ES T semi-quant 6-step ES USGS-BOER
Zinc 15 ppm AA P hot HNO3 USGS-BOER
Zinc N200 ppm ES T semi-quant 6-step ES USGS-BOER
Arsenic N200 ppm ES T semi-quant 6-step ES USGS-BOER
Yttrium N10 ppm ES T semi-quant 6-step ES USGS-BOER
Niobium N20 ppm ES T semi-quant 6-step ES USGS-BOER
Molybdenum N5 ppm ES T semi-quant 6-step ES USGS-BOER
Silver N0.5 ppm ES T semi-quant 6-step ES USGS-BOER
Tin N10 ppm ES T semi-quant 6-step ES USGS-BOER
Antimony N100 ppm ES T semi-quant 6-step ES USGS-BOER
Lanthanum N20 ppm ES T semi-quant 6-step ES USGS-BOER
Tungsten N50 ppm ES T semi-quant 6-step ES USGS-BOER
Gold N0.05 ppm AA T HBr-Br2 and MIBK USGS-BOER
Lead N10 ppm ES T semi-quant 6-step ES USGS-BOER