NGDB rock sample M193269

Field Value
Unique Sample ID Number M193269
Analytical Job Number MF87
Submitter Name Brew, David A.
Date Submitted 19900809
Field Number 90RN123A
State AK
Latitude 58.29861
Longitude -134.33333
Source of Sample mine/quarry
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name amphibolite
Additional Attributes and Comments metasomatism unknown; quartz absent; mafic (greenstone, greenschist, amphibolite);; amphibolite;
Geologic Age or Range Mesozoic undifferentiated
Stratigraphic Unit Name AJ METAGABBRO
Alteration altrtn present
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.33333, 58.29861
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 0.81 percent by weight (unknown method)
H2O+ 1.45 percent bound water (unknown method)
H2O- 0.03 percent moisture (unknown method)
CO2 0.14 percent by weight Titration
Na2O 1.97 percent by weight XRF
MgO 7.63 percent by weight XRF
Al2O3 14.6 percent by weight XRF
SiO2 49 percent by weight XRF
P2O5 0.13 percent by weight XRF
K2O 0.11 percent by weight XRF
CaO 12.6 percent by weight XRF
TiO2 1.36 percent by weight XRF
Chromium 355 ppm by weight XRF
MnO 0.18 percent by weight XRF
FeO 8.07 percent by weight Titration
FeTO3 12.3 percent Fe2O3 by weight XRF
Nickel 106 ppm by weight XRF
Copper 114 ppm by weight XRF
Zinc 68 ppm by weight XRF
Rubidium L10 ppm by weight XRF
Strontium 260 ppm by weight XRF
Yttrium 24 ppm by weight XRF
Zirconium 88 ppm by weight XRF
Niobium 12 ppm by weight XRF
Barium 82 ppm by weight XRF
Lanthanum L30 ppm by weight XRF
Cerium L30 ppm by weight XRF