AGDB2 rock sample M139242

(metamorphic, metadiabase)

Field Value
Lab ID M139242
Field ID SIC6D707A
Job ID KH58
Sample submitter Decker, John E.
Project name W Chichagof-Yakobi Islands WSA
Date submitted 3/1/1979 0:00:00
Country United States
State AK
Map quadrangle Sitka
Geographic latitude 57.62917
Geographic longitude -135.99167
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metadiabase
Sample comment diabase-schist
Additional sample attributes not metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite)
Geologic age Jurassic-Cretaceous
Stratigraphic unit KJp; Kelp Bay Grp, Blueschist Unit
Metamorphic setting regional
Metamorphic facies or grade glaucophane-lawsonite schist
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Geologic map unit -135.99167, 57.62917
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Element Value Units Technique Digestion Decomposition Laboratory
Al2O3 13.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
CaO 9.7 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
FeTO3 13.7 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
K2O 0.13 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
LOI 1.96 pct GV T combustion USGS-BAL
MgO 6.7 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
MnO 0.186 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Na2O 2.55 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
P2O5 0.13 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
SiO2 48.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
TiO2 1.94 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL