NGDB rock sample M196596

Field Value
Unique Sample ID Number M196596
Analytical Job Number MJ38
Submitter Name Brew, David A.
Date Submitted 19910718
Field Number 91RN123A
State AK
Latitude 56.57194
Longitude -133.05528
Source of Sample drill core
Collection Method composite
Primary Classification rock
Secondary Classification metamorphic
Specific Name metatuff
Additional Attributes and Comments metasomatism unknown; quartz present; aluminosilicate, pelitic (schist, phyllite, mica gneiss);; alt'd tuff;
Geologic Age or Range Devonian--Cretaceous
Alteration altrtn present
Metamorphic Facies or Grade greenschist
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Geologic map unit -133.05528, 56.57194
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 14.2 percent by weight (unknown method)
Na2O L0.15 percent by weight XRF
MgO 3 percent by weight XRF
Al2O3 14.3 percent by weight XRF
SiO2 47.7 percent by weight XRF
P2O5 0.13 percent by weight XRF
K2O 1.39 percent by weight XRF
CaO 3.2 percent by weight XRF
TiO2 1.39 percent by weight XRF
MnO 0.46 percent by weight XRF
FeTO3 13.2 percent Fe2O3 by weight XRF
Rubidium 24 ppm by weight XRF
Strontium 44 ppm by weight XRF
Yttrium 25 ppm by weight XRF
Zirconium 88 ppm by weight XRF
Niobium 14 ppm by weight XRF