NGDB rock sample M126764

Field Value
Unique Sample ID Number M126764
Analytical Job Number JK95
Submitter Name Ford, Arthur B.
Date Submitted 19750609
Field Number 74DB008A
State AK
Latitude 58.5
Longitude -134.75
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name greenstone
Additional Attributes and Comments not metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite);; augite metatuff (greenstone);
Geologic Age or Range Cretaceous
Stratigraphic Unit Name DOUGLAS ISLAND VOLCANICS
Type of Metamorphism regional
Metamorphic Facies or Grade prehnite-pumpellyite metagraywacke
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Geologic map unit -134.75, 58.5
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
H2O+ 2.2 percent bound water (unknown method)
H2O- 0.2 percent moisture (unknown method)
Lithium N200 ppm by weight E-Spec
Beryllium N1 ppm by weight E-Spec
Boron 11 ppm by weight E-Spec
CO2 0.02 percent by weight Titration
Sodium 2 percent by weight E-Spec
Na2O 2.6 percent by weight AA
Magnesium 5 percent by weight E-Spec
MgO 8.5 percent by weight AA
Aluminum 7 percent by weight E-Spec
Al2O3 12.6 percent by weight Colorimetry
SiO2 49 percent by weight Colorimetry
Silicon G10 percent by weight E-Spec
Phosphorus N0.5 percent by weight E-Spec
P2O5 0.54 percent by weight Colorimetry
Potassium 1 percent by weight E-Spec
K2O 3 percent by weight AA
Calcium 5 percent by weight E-Spec
CaO 10.8 percent by weight AA
Scandium 29 ppm by weight E-Spec
Titanium 0.2 percent by weight E-Spec
TiO2 0.76 percent by weight Colorimetry
Vanadium 210 ppm by weight E-Spec
Chromium 280 ppm by weight E-Spec
Manganese 1500 ppm by weight E-Spec
MnO 0.16 percent by weight Colorimetry
Iron 7 percent by weight E-Spec
Fe2O3 3.8 percent by weight Colorimetry
FeO 6.9 percent by weight Titration
Cobalt 54 ppm by weight E-Spec
Nickel 87 ppm by weight E-Spec
Copper 110 ppm by weight E-Spec
Zinc 83 ppm by weight XRF
N100 ppm by weight E-Spec
Gallium 21 ppm by weight E-Spec
Germanium N7 ppm by weight E-Spec
Arsenic N200 ppm by weight E-Spec
Rubidium 53 ppm by weight XRF
Strontium 670 ppm by weight XRF
1000 ppm by weight E-Spec
Yttrium 32 ppm by weight E-Spec
Zirconium 63 ppm by weight XRF
50 ppm by weight E-Spec
Niobium L20 ppm by weight E-Spec
Molybdenum N2 ppm by weight E-Spec
Rhodium L5 ppb by weight Fire Assay
Palladium 14 ppb by weight Fire Assay
Silver N1 ppm by weight E-Spec
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 880 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 L10 ppb by weight Fire Assay
Gold N15 ppm by weight E-Spec
Thallium N50 ppm by weight E-Spec
Lead L10 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