NGDB rock sample M132748

Field Value
Unique Sample ID Number M132748
Analytical Job Number KA79
Submitter Name Ford, Arthur B.
Date Submitted 19770810
Field Number 77AF006A
State AK
Latitude 58.53333
Longitude -134.85
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);; dense greenstone; epidote megacrysts;
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 -134.85, 58.53333
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
H2O+ 2.9 percent bound water (unknown method)
H2O- 0.3 percent moisture (unknown method)
Lithium L100 ppm by weight E-Spec
Beryllium L0.7 ppm by weight E-Spec
Boron 10 ppm by weight E-Spec
CO2 0.04 percent by weight Titration
Sodium 0.7 percent by weight E-Spec
Na2O 0.54 percent by weight AA
Magnesium 5 percent by weight E-Spec
MgO 9.7 percent by weight AA
Aluminum 5 percent by weight E-Spec
Al2O3 12.5 percent by weight Colorimetry
SiO2 45.5 percent by weight Colorimetry
Silicon G10 percent by weight E-Spec
Phosphorus L0.15 percent by weight E-Spec
P2O5 0.25 percent by weight Colorimetry
Potassium 5 percent by weight E-Spec
K2O 5.5 percent by weight AA
Calcium 3 percent by weight E-Spec
CaO 8.8 percent by weight AA
Scandium 50 ppm by weight E-Spec
Titanium 0.3 percent by weight E-Spec
TiO2 0.72 percent by weight Colorimetry
Vanadium 250 ppm by weight E-Spec
Chromium 400 ppm by weight E-Spec
Manganese 1500 ppm by weight E-Spec
MnO 0.17 percent by weight Colorimetry
Iron 5 percent by weight E-Spec
Fe2O3 4.9 percent by weight Colorimetry
FeO 7.2 percent by weight Titration
Cobalt 40 ppm by weight E-Spec
Nickel 92 ppm by weight E-Spec
Copper 150 ppm by weight E-Spec
Zinc 87 ppm by weight XRF
70 ppm by weight E-Spec
Gallium 15 ppm by weight E-Spec
Germanium L7 ppm by weight E-Spec
Arsenic L100 ppm by weight E-Spec
Rubidium 78 ppm by weight XRF
Strontium 550 ppm by weight XRF
300 ppm by weight E-Spec
Yttrium 19 ppm by weight E-Spec
Zirconium 47 ppm by weight XRF
30 ppm by weight E-Spec
Niobium L10 ppm by weight E-Spec
Molybdenum L2 ppm by weight E-Spec
Rhodium L5 ppb by weight Fire Assay
Palladium 14 ppb by weight Fire Assay
Silver 0.7 ppm by weight E-Spec
Cadmium L7 ppm by weight E-Spec
Indium L1.5 ppm by weight E-Spec
Tin L2 ppm by weight E-Spec
Antimony L20 ppm by weight E-Spec
Tellurium L300 ppm by weight E-Spec
Barium 550 ppm by weight XRF
500 ppm by weight E-Spec
Lanthanum L7 ppm by weight E-Spec
Cerium L50 ppm by weight E-Spec
Europium L1 ppm by weight E-Spec
Ytterbium 2 ppm by weight E-Spec
Hafnium L50 ppm by weight E-Spec
Tantalum L50 ppm by weight E-Spec
Tungsten L10 ppm by weight E-Spec
Rhenium L7 ppm by weight E-Spec
Platinum L10 ppb by weight Fire Assay
Gold L7 ppm by weight E-Spec
Thallium L3 ppm by weight E-Spec
Lead 20 ppm by weight E-Spec
Bismuth L7 ppm by weight E-Spec
Thorium L150 ppm by weight E-Spec
Uranium L150 ppm by weight E-Spec