AGDB2 rock sample LFZ025

(metamorphic, hornfels)

Field Value
Lab ID LFZ025
Field ID 81ABS301B
Job ID 73577
Sample submitter Silberman, Miles L.
Project name Chugach NF RARE II
Date submitted 8/26/1981 0:00:00
Country United States
State AK
Map quadrangle Seward
Geographic latitude 60.83333
Geographic longitude -148.45
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name hornfels
Sample comment hornfels
Additional sample attributes silica matrix; partially oxidized; base metal ore minerals
Mineralization type disseminated
(click for info)
Geologic map unit -148.45, 60.83333
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Copper 30 parts per million by weight AA_F_HNO3_P
Zinc 70 parts per million by weight AA_F_HNO3_P
Arsenic 15 parts per million by weight AA_F_AZ_Fuse_P
Antimony 4 parts per million by weight AA_F_AZ_Fuse_P
Gold <0.05 parts per million by weight AA_F_HBr
Lead 20 parts per million by weight AA_F_HNO3_P
Uranium 1.5 parts per million by weight FL_HF
Element Value Units Technique Digestion Decomposition Laboratory
Fluorine 0.045 pct ISE T Na2CO3-K2CO3-KNO3 fusion USGS-BOER
Copper 30 ppm AA P hot HNO3 USGS-BOER
Zinc 70 ppm AA P hot HNO3 USGS-BOER
Arsenic 15 ppm AA P roast, K2S2O7 fusion, HCl-KI and MIBK USGS-BOER
Antimony 4 ppm AA P roast, K2S2O7 fusion, HCl-KI and MIBK USGS-BOER
Gold N0.05 ppm AA T HBr-Br2 and MIBK USGS-BOER
Lead 20 ppm AA P hot HNO3 USGS-BOER
Uranium 1.5 ppm FL T HF-HNO3-HCl USGS-BOER