NGDB rock sample M201280

Field Value
Unique Sample ID Number M201280
Analytical Job Number MM29
Submitter Name Koch, Richard D.
Date Submitted 19920908
Field Number 92BT182A
State AK
Latitude 63.55
Longitude -150.91667
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name schist
Additional Attributes and Comments not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss);; felsic schist (meta rh?);
Stratigraphic Unit Name SPRUCE CREEK SEQ.
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
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Geologic map unit -150.91667, 63.55
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 2.46 percent by weight (unknown method)
H2O+ 2.21 percent bound water (unknown method)
H2O- 0.28 percent moisture (unknown method)
CO2 0.01 percent by weight Titration
Na2O 1 percent by weight XRF
1.06 percent by weight Miscellaneous Methods
MgO 1.48 percent by weight XRF
Al2O3 14.9 percent by weight XRF
SiO2 67.1 percent by weight XRF
P2O5 0.16 percent by weight XRF
K2O 2.73 percent by weight XRF
2.7 percent by weight Miscellaneous Methods
CaO 4.04 percent by weight XRF
TiO2 0.6 percent by weight XRF
Chromium L20 ppm by weight XRF
MnO 0.09 percent by weight XRF
FeO 1.88 percent by weight Titration
FeTO3 4.94 percent Fe2O3 by weight XRF
Nickel L10 ppm by weight XRF
Copper 19 ppm by weight XRF
Zinc 76 ppm by weight XRF
Rubidium 90 ppm by weight XRF
Strontium 118 ppm by weight XRF
Yttrium 40 ppm by weight XRF
Zirconium 205 ppm by weight XRF
Niobium 16 ppm by weight XRF
Barium 560 ppm by weight XRF
Lanthanum 46 ppm by weight XRF
43 ppm by weight ICP-MS
Cerium 91 ppm by weight XRF
82 ppm by weight ICP-MS
Praseodymium 9.3 ppm by weight ICP-MS
Neodymium 34 ppm by weight ICP-MS
Samarium 6.2 ppm by weight ICP-MS
Europium 1.1 ppm by weight ICP-MS
Gadolinium 5 ppm by weight ICP-MS
Terbium 0.83 ppm by weight ICP-MS
Dysprosium 4.7 ppm by weight ICP-MS
Holmium 1 ppm by weight ICP-MS
Erbium 2.8 ppm by weight ICP-MS
Thulium 0.41 ppm by weight ICP-MS
Ytterbium 2.3 ppm by weight ICP-MS