AGDB2 rock sample W223197

(metamorphic, metadiorite)

Field Value
Lab ID W223197
Field ID 83EW028A
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 58.31361
Geographic longitude -134.3725
Sample source mine dump/prospect pit
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metadiorite
Sample comment calcite-quartz-altered diorite
Additional sample attributes not metasomatic;
Geologic age Permian--Cretaceous
Alteration type altered
Metamorphic setting regional
Metamorphic facies or grade greenschist
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Geologic map unit -134.3725, 58.31361
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 0.61 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Sulfur 0.61 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Chromium <270 ppm XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Al2O3 18.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
CaO 8.83 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
FeO 8.3 pct TT T HF-H2SO4 USGS-BAL
FeTO3 10.5 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
K2O 2.45 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
LOI 5.51 pct GV T combustion USGS-BAL
MgO 4.38 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
MnO 0.16 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Na2O 3.37 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
P2O5 0.19 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
SiO2 41.4 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
TiO2 1.86 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL