NGDB rock sample M193263

Field Value
Unique Sample ID Number M193263
Analytical Job Number MF87
Submitter Name Brew, David A.
Date Submitted 19900809
Field Number 90RN121B
State AK
Latitude 58.08194
Longitude -134.63194
Source of Sample mine/quarry
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name schist
Additional Attributes and Comments metasomatism unknown; quartz absent; mafic (greenstone, greenschist, amphibolite);; serp-chl sch;
Geologic Age or Range Triassic
Stratigraphic Unit Name GREENS CREEK PHYLLIK
Alteration altrtn present
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.63194, 58.08194
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 7.35 percent by weight (unknown method)
H2O+ 6.76 percent bound water (unknown method)
H2O- 0.14 percent moisture (unknown method)
CO2 0.94 percent by weight Titration
Na2O L0.15 percent by weight XRF
MgO 16.6 percent by weight XRF
Al2O3 11 percent by weight XRF
SiO2 53.2 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O L0.02 percent by weight XRF
CaO 0.56 percent by weight XRF
TiO2 0.56 percent by weight XRF
Chromium 750 ppm by weight XRF
MnO 0.22 percent by weight XRF
FeO 7.62 percent by weight Titration
FeTO3 9.17 percent Fe2O3 by weight XRF
Nickel 410 ppm by weight XRF
Copper L10 ppm by weight XRF
Zinc 690 ppm by weight XRF
Rubidium L10 ppm by weight XRF
Strontium 42 ppm by weight XRF
Yttrium L10 ppm by weight XRF
Zirconium 60 ppm by weight XRF
Niobium L10 ppm by weight XRF
Barium 34 ppm by weight XRF
Lanthanum L30 ppm by weight XRF
Cerium L30 ppm by weight XRF