NGDB rock sample M178994

Field Value
Unique Sample ID Number M178994
Analytical Job Number LV56
Submitter Name Brew, David A.
Date Submitted 19870722
Field Number 87RN287A
State AK
Latitude 58.10083
Longitude -134.65583
Source of Sample drill core
Collection Method channel
Primary Classification rock
Secondary Classification metamorphic
Specific Name metacarbonate
Additional Attributes and Comments metasomatism unknown; quartz present; calcareous or dolomitic (marble);; qtz-mariposite-musc dolo-py rock;
Geologic Age or Range Devonian--Pliocene
Stratigraphic Unit Name MARIPOSITE DOLOMITE ROCK
Alteration altrtn present
Type of Metamorphism hydrothermal
Metamorphic Facies or Grade greenschist
(click for info)
Geologic map unit -134.65583, 58.10083
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Na2O 0.38 percent by weight XRF
MgO 11.7 percent by weight XRF
Al2O3 11.7 percent by weight XRF
SiO2 37.4 percent by weight XRF
P2O5 L0.05 percent by weight XRF
K2O 1.64 percent by weight XRF
CaO 7.3 percent by weight XRF
TiO2 0.12 percent by weight XRF
Chromium 1450 ppm by weight XRF
MnO 0.94 percent by weight XRF
FeO 5.88 percent by weight Titration
FeTO3 7.65 percent Fe2O3 by weight XRF
Nickel 530 ppm by weight XRF
Rubidium 38 ppm by weight XRF
Strontium 130 ppm by weight XRF
Yttrium 10 ppm by weight XRF
Zirconium 24 ppm by weight XRF
Niobium 14 ppm by weight XRF