NGDB rock sample M126738

Field Value
Unique Sample ID Number M126738
Analytical Job Number JK94
Submitter Name Ford, Arthur B.
Date Submitted 19750609
Field Number 71AFD145A
State AK
Latitude 58.31667
Longitude -134.33333
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name gneiss
Additional Attributes and Comments not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss);; foliated quartz diorite;
Geologic Age or Range Mesozoic undifferentiated
Stratigraphic Unit Name MT. JUNEAU PLUTON
Type of Metamorphism regional
Metamorphic Facies or Grade amphibolite
(click for info)
Geologic map unit -134.33333, 58.31667
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
H2O+ 0.8 percent bound water (unknown method)
H2O- 0.09 percent moisture (unknown method)
Lithium N200 ppm by weight E-Spec
Beryllium N1 ppm by weight E-Spec
Boron 5 ppm by weight E-Spec
CO2 L0.01 percent by weight Titration
Sodium 2 percent by weight E-Spec
Na2O 3.3 percent by weight AA
Magnesium 0.7 percent by weight E-Spec
MgO 1.8 percent by weight AA
Aluminum 5 percent by weight E-Spec
Al2O3 17.7 percent by weight Colorimetry
SiO2 61.2 percent by weight Colorimetry
Silicon G10 percent by weight E-Spec
Phosphorus N0.5 percent by weight E-Spec
P2O5 0.28 percent by weight Colorimetry
Potassium 1 percent by weight E-Spec
K2O 2.2 percent by weight AA
Calcium 1 percent by weight E-Spec
CaO 6.4 percent by weight AA
Scandium 8 ppm by weight E-Spec
Titanium 0.15 percent by weight E-Spec
TiO2 0.77 percent by weight Colorimetry
Vanadium 73 ppm by weight E-Spec
Chromium 5 ppm by weight E-Spec
Manganese 1000 ppm by weight E-Spec
MnO 0.14 percent by weight Colorimetry
Iron 2 percent by weight E-Spec
Fe2O3 2.2 percent by weight Colorimetry
FeO 3.5 percent by weight Titration
Cobalt 9 ppm by weight E-Spec
Nickel L2 ppm by weight E-Spec
Copper 7 ppm by weight E-Spec
Zinc 127 ppm by weight XRF
150 ppm by weight E-Spec
Gallium 20 ppm by weight E-Spec
Germanium N7 ppm by weight E-Spec
Arsenic N200 ppm by weight E-Spec
Rubidium 47 ppm by weight XRF
Strontium 880 ppm by weight XRF
300 ppm by weight E-Spec
Yttrium 15 ppm by weight E-Spec
Zirconium 104 ppm by weight XRF
150 ppm by weight E-Spec
Niobium N7 ppm by weight E-Spec
Molybdenum N2 ppm by weight E-Spec
Palladium N1 ppm by weight E-Spec
Silver N1 ppm by weight E-Spec
L5 ppm by weight Fire Assay
Cadmium N50 ppm by weight E-Spec
Indium N2 ppm by weight E-Spec
Tin N7 ppm by weight E-Spec
Antimony N100 ppm by weight E-Spec
Tellurium N1000 ppm by weight E-Spec
Barium 1300 ppm by weight XRF
700 ppm by weight E-Spec
Lanthanum N30 ppm by weight E-Spec
Cerium N70 ppm by weight E-Spec
Europium N50 ppm by weight E-Spec
Ytterbium 3 ppm by weight E-Spec
Hafnium N50 ppm by weight E-Spec
Tantalum N50 ppm by weight E-Spec
Tungsten N30 ppm by weight E-Spec
Rhenium N15 ppm by weight E-Spec
Platinum N10 ppm by weight E-Spec
Gold N15 ppm by weight E-Spec
L50 ppb by weight Fire Assay
Thallium N50 ppm by weight E-Spec
Lead 30 ppm by weight E-Spec
Bismuth N7 ppm by weight E-Spec
Thorium N150 ppm by weight E-Spec
Uranium N500 ppm by weight E-Spec