NGDB rock sample D579770

Field Value
Unique Sample ID Number D579770
Analytical Job Number WG59
Submitter Name Calzia, James P.
Date Submitted 19950322
Field Number LTG-336
State CA
Country United States
Latitude 35.82
Longitude -116.09167
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name gneiss
Additional Attributes and Comments GRAN. GNEISS; not metasomatic; quartz present; siliceous (quartzite);
Geologic Age or Range late precambrian
Type of Metamorphism regional
Metamorphic Facies or Grade medium grade
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Geologic map unit -116.09167, 35.82
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Element Measured value Units of measure Analytical method
LOI 1.02 percent by weight (unknown method)
Na2O 2.76 percent by weight XRF
MgO 0.9 percent by weight XRF
Al2O3 15.8 percent by weight XRF
SiO2 67.8 percent by weight XRF
P2O5 0.27 percent by weight XRF
K2O 4.66 percent by weight XRF
CaO 1.83 percent by weight XRF
TiO2 0.44 percent by weight XRF
MnO 0.06 percent by weight XRF
FeTO3 3.44 percent Fe2O3 by weight XRF