AGDB2 rock sample BDB740

(metamorphic, metavolcanic)

Field Value
Lab ID BDB740
Field ID 69ABG756
Job ID 03399
Sample submitter Berg, Henry C.
Project name Annette-Gravina Islands
Date submitted 4/15/1971 0:00:00
Country United States
State AK
Map quadrangle Ketchikan
Geographic latitude 55.28722
Geographic longitude -131.61972
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metavolcanic
Sample comment dis pyr in Fe-stnd rx; intmed-mafic w py
Additional sample attributes shear-fault structural setting; partially oxidized; precious metal ore minerals
Geologic age Jurassic
Stratigraphic unit Gravina Island Fm
Mineralization type disseminated
Alteration type Fe/Mn alteration
Igneous setting extrusive
(click for info)
Geologic map unit -131.61972, 55.28722
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 50 parts per million by weight ES_SQ
Vanadium 500 parts per million by weight ES_SQ
Chromium 70 parts per million by weight ES_SQ
Cobalt 50 parts per million by weight ES_SQ
Nickel 20 parts per million by weight ES_SQ
Copper 200 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 1000 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 <10 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
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 50 parts per million by weight ES_SQ
Lanthanum <20 parts per million by weight ES_SQ
Tungsten 100 parts per million by weight ES_SQ
Gold <0.05 parts per million by weight AA_F_HBr
Mercury 0.02 parts per million by weight AA_TR
Lead <10 parts per million by weight ES_SQ
Bismuth <10 parts per million by weight ES_SQ
splwtau 10 grams GV
Element Value Units Technique Digestion Decomposition Laboratory
Beryllium N1 ppm ES T semi-quant 6-step ES USGS-BOER
Boron N10 ppm ES T semi-quant 6-step ES USGS-BOER
Calcium 15 pct ES T semi-quant 6-step ES USGS-BOER
Scandium 50 ppm ES T semi-quant 6-step ES USGS-BOER
Vanadium 500 ppm ES T semi-quant 6-step ES USGS-BOER
Chromium 70 ppm ES T semi-quant 6-step ES USGS-BOER
Cobalt 50 ppm ES T semi-quant 6-step ES USGS-BOER
Nickel 20 ppm ES T semi-quant 6-step ES USGS-BOER
Copper 200 ppm ES T semi-quant 6-step ES 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
Strontium 1000 ppm ES T semi-quant 6-step ES USGS-BOER
Yttrium 20 ppm ES T semi-quant 6-step ES USGS-BOER
Zirconium 20 ppm ES T semi-quant 6-step ES USGS-BOER
Niobium N10 ppm ES T semi-quant 6-step ES USGS-BOER
Molybdenum 5 ppm ES T semi-quant 6-step ES USGS-BOER
Silver N0.5 ppm ES T semi-quant 6-step ES USGS-BOER
Cadmium N20 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
Barium 50 ppm ES T semi-quant 6-step ES USGS-BOER
Lanthanum N20 ppm ES T semi-quant 6-step ES USGS-BOER
Tungsten 100 ppm ES T semi-quant 6-step ES USGS-BOER
Gold L0.05 ppm AA T HBr-Br2 and MIBK USGS-BOER
Gold N10 ppm ES T semi-quant 6-step ES USGS-BOER
Mercury 0.02 ppm AA T thermal release USGS-BOER
Lead N10 ppm ES T semi-quant 6-step ES USGS-BOER
Bismuth N10 ppm ES T semi-quant 6-step ES USGS-BOER
FeTO3 20 pct ES T semi-quant 6-step ES USGS-BOER
MgO 7 pct ES T semi-quant 6-step ES USGS-BOER
MnO 0.3 pct ES T semi-quant 6-step ES USGS-BOER
SplWtAu 10 g GV T USGS-BOER
TiO2 0.7 pct ES T semi-quant 6-step ES USGS-BOER