NGDB rock sample M132747

Field Value
Unique Sample ID Number M132747
Analytical Job Number KA79
Submitter Name Ford, Arthur B.
Date Submitted 19770810
Field Number 77AF001A
State AK
Latitude 58.49461
Longitude -134.78333
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name metatuff
Additional Attributes and Comments not metasomatic; quartz absent; mafic (greenstone, greenschist, amphibolite);; dense metatuff(metagraywacke?);
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 -134.78333, 58.49461
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
H2O+ 2.1 percent bound water (unknown method)
H2O- 0.21 percent moisture (unknown method)
Lithium L100 ppm by weight E-Spec
Beryllium 1 ppm by weight E-Spec
Boron 15 ppm by weight E-Spec
CO2 0.01 percent by weight Titration
Sodium 5 percent by weight E-Spec
Na2O 3.8 percent by weight AA
Magnesium 2 percent by weight E-Spec
MgO 4.7 percent by weight AA
Aluminum 10 percent by weight E-Spec
Al2O3 17.3 percent by weight Colorimetry
SiO2 50.2 percent by weight Colorimetry
Silicon G10 percent by weight E-Spec
Phosphorus L0.15 percent by weight E-Spec
P2O5 0.34 percent by weight Colorimetry
Potassium 5 percent by weight E-Spec
K2O 3.7 percent by weight AA
Calcium 7 percent by weight E-Spec
CaO 7.7 percent by weight AA
Scandium 28 ppm by weight E-Spec
Titanium 5 percent by weight E-Spec
TiO2 0.73 percent by weight Colorimetry
Vanadium 250 ppm by weight E-Spec
Chromium 37 ppm by weight E-Spec
Manganese 1500 ppm by weight E-Spec
MnO 0.24 percent by weight Colorimetry
Iron 5 percent by weight E-Spec
Fe2O3 5.1 percent by weight Colorimetry
FeO 3.5 percent by weight Titration
Cobalt 23 ppm by weight E-Spec
Nickel 14 ppm by weight E-Spec
Copper 110 ppm by weight E-Spec
Zinc 96 ppm by weight XRF
5000 ppm by weight E-Spec
Gallium 20 ppm by weight E-Spec
Germanium L7 ppm by weight E-Spec
Arsenic L100 ppm by weight E-Spec
Rubidium 63 ppm by weight XRF
Strontium 750 ppm by weight XRF
1000 ppm by weight E-Spec
Yttrium 24 ppm by weight E-Spec
Zirconium 68 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 6 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 255 ppm by weight XRF
200 ppm by weight E-Spec
Lanthanum 50 ppm by weight E-Spec
Cerium L50 ppm by weight E-Spec
Praseodymium L20 ppm by weight E-Spec
Neodymium L20 ppm by weight E-Spec
Samarium 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