AGDB2 rock sample W223187

(metamorphic, metagraywacke)

Field Value
Lab ID W223187
Field ID 83EW020A
Job ID BK71
Sample submitter Brew, David A.
Project name Juneau AMRAP
Date submitted 9/13/1983 0:00:00
Country United States
State AK
Map quadrangle Juneau
Geographic latitude 58.29944
Geographic longitude -134.33611
Sample source mine/quarry
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metagraywacke
Sample comment pyrite-graphite-quartz graywacke
Additional sample attributes not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss)
Geologic age Permian--Cretaceous
Mineralization type mineralized
Metamorphic setting contact
Metamorphic facies or grade greenschist
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Geologic map unit -134.33611, 58.29944
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Chromium <270 parts per million by weight WDX_Fuse
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur 0.056 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Sulfur 0.056 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Chromium <270 ppm XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Al2O3 16 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
CaO 6.39 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
FeO 8 pct TT T HF-H2SO4 USGS-BAL
FeTO3 9.62 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
K2O 0.56 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
LOI 8.26 pct GV T combustion USGS-BAL
MgO 8.13 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
MnO 0.17 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Na2O 3.36 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
P2O5 0.43 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
SiO2 44.4 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
TiO2 1.78 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL