NGDB rock sample M196584

Field Value
Unique Sample ID Number M196584
Analytical Job Number MJ38
Submitter Name Brew, David A.
Date Submitted 19910718
Field Number 91RN109D
State AK
Latitude 58.83417
Longitude -135.03806
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name metabasalt
Additional Attributes and Comments metasomatism unknown; quartz absent; mafic (greenstone, greenschist, amphibolite);; meta basalt?;
Geologic Age or Range Mesozoic undifferentiated
Stratigraphic Unit Name FLEMMING CHL SCHIST
Alteration altrtn present
Metamorphic Facies or Grade greenschist
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Geologic map unit -135.03806, 58.83417
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 2.72 percent by weight (unknown method)
Na2O L0.15 percent by weight XRF
MgO 1.94 percent by weight XRF
Al2O3 8.5 percent by weight XRF
SiO2 75.3 percent by weight XRF
P2O5 0.12 percent by weight XRF
K2O 1.96 percent by weight XRF
CaO 1.25 percent by weight XRF
TiO2 0.39 percent by weight XRF
MnO 0.7 percent by weight XRF
FeTO3 6.17 percent Fe2O3 by weight XRF
Rubidium 45 ppm by weight XRF
Strontium 63 ppm by weight XRF
Yttrium 21 ppm by weight XRF
Zirconium 60 ppm by weight XRF
Niobium L10 ppm by weight XRF