AGDB2 rock sample M193444

(metamorphic, hornfels)

Field Value
Lab ID M193444
Field ID 90DB128C
Job ID MF99
Sample submitter Brew, David A.
Project name Greater Juneau Geologic Investigations
Date submitted 8/24/1990 0:00:00
Country United States
State AK
Map quadrangle Juneau
Geographic latitude 58.86583
Geographic longitude -135.10111
Sample source mine/quarry
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name hornfels
Sample comment amphibole hornfels
Additional sample attributes metasomatism unknown; quartz absent; mafic (greenstone, greenschist, amphibolite)
Geologic age Cretaceous
Metamorphic setting contact
Metamorphic facies or grade hornblende hornfels
(click for info)
Geologic map unit -135.10111, 58.86583
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Chromium 310 parts per million by weight EDX
Nickel 120 parts per million by weight EDX
Copper 90 parts per million by weight EDX
Zinc 112 parts per million by weight EDX
Rubidium <10 parts per million by weight EDX
Strontium 162 parts per million by weight EDX
Yttrium 72 parts per million by weight EDX
Zirconium 82 parts per million by weight EDX
Niobium 18 parts per million by weight EDX
Barium 88 parts per million by weight EDX
Lanthanum <30 parts per million by weight EDX
Cerium <30 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur <0.02 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Sulfur <0.02 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Chromium 310 ppm XRF T EDXRF USGS-BGC
Chromium 340 ppm XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Nickel 120 ppm XRF T EDXRF USGS-BGC
Copper 90 ppm XRF T EDXRF USGS-BGC
Zinc 112 ppm XRF T EDXRF USGS-BGC
Rubidium L10 ppm XRF T EDXRF USGS-BGC
Strontium 162 ppm XRF T EDXRF USGS-BGC
Yttrium 72 ppm XRF T EDXRF USGS-BGC
Zirconium 82 ppm XRF T EDXRF USGS-BGC
Niobium 18 ppm XRF T EDXRF USGS-BGC
Barium 88 ppm XRF T EDXRF USGS-BGC
Lanthanum L30 ppm XRF T EDXRF USGS-BGC
Cerium L30 ppm XRF T EDXRF USGS-BGC
CO2 1.52 pct TT T HClO4 USGS-BGC
FeO 8.99 pct TT T HF-H2SO4 USGS-BGC
H2Om L0.01 pct GV T USGS-BGC
H2Ob 2.32 pct TT T flux and combustion, total H2O less moisture USGS-BGC