NGDB rock sample M178986

Field Value
Unique Sample ID Number M178986
Analytical Job Number LV55
Submitter Name Brew, David A.
Date Submitted 19870722
Field Number 87RN286E
State AK
Latitude 58.10278
Longitude -134.66111
Source of Sample outcrop
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name serpentinite
Additional Attributes and Comments metasomatism unknown; quartz absent; ultramafic (serpentinite, pyroxenite);; chl?-serp rock;
Geologic Age or Range Devonian--Pliocene
Alteration altrtn present
Type of Metamorphism shear
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.66111, 58.10278
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Na2O L0.15 percent by weight XRF
MgO 37.2 percent by weight XRF
Al2O3 1.8 percent by weight XRF
SiO2 41.3 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O L0.02 percent by weight XRF
CaO 0.14 percent by weight XRF
TiO2 L0.02 percent by weight XRF
Chromium 2600 ppm by weight XRF
MnO 0.13 percent by weight XRF
FeO 3.11 percent by weight Titration
FeTO3 7 percent Fe2O3 by weight XRF
Nickel 2150 ppm by weight XRF
Rubidium L10 ppm by weight XRF
Strontium 12 ppm by weight XRF
Yttrium L10 ppm by weight XRF
Zirconium 16 ppm by weight XRF
Niobium 10 ppm by weight XRF