NGDB rock sample M184022

Field Value
Unique Sample ID Number M184022
Analytical Job Number LZ01
Submitter Name Ford, Arthur B.
Date Submitted 19880628
Field Number 87AF120C
State AK
Latitude 58.45778
Longitude -134.98833
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name metagabbro
Additional Attributes and Comments not metasomatic; quartz unknown; mafic (greenstone, greenschist, amphibolite);; metagabbro inclusion;
Geologic Age or Range Permian--Cretaceous
Stratigraphic Unit Name HUMP ISLAND
Type of Metamorphism regional
Metamorphic Facies or Grade greenschist
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Geologic map unit -134.98833, 58.45778
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 1.99 percent by weight (unknown method)
H2O+ 2.53 percent bound water (unknown method)
H2O- 0.18 percent moisture (unknown method)
CO2 1.37 percent by weight Titration
Sodium 0.786 percent by weight INAA
Na2O 1.1 percent by weight XRF
MgO 10.1 percent by weight XRF
Al2O3 11.5 percent by weight XRF
SiO2 44.7 percent by weight XRF
P2O5 0.22 percent by weight XRF
K2O 1.08 percent by weight XRF
CaO 13.4 percent by weight XRF
Scandium 51.2 ppm by weight INAA
57 ppm by weight ICP-AES
TiO2 1.22 percent by weight XRF
Vanadium 370 ppm by weight ICP-AES
Chromium 237 ppm by weight INAA
255 ppm by weight ICP-AES
MnO 0.17 percent by weight XRF
Iron 7.91 percent by weight INAA
FeO 8.32 percent by weight Titration
FeTO3 12.3 percent Fe2O3 by weight XRF
Cobalt 45.1 ppm by weight INAA
40 ppm by weight ICP-AES
Nickel 70.8 ppm by weight INAA
75 ppm by weight ICP-AES
Copper 125 ppm by weight ICP-AES
Rubidium L10 ppm by weight XRF
22.5 ppm by weight INAA
Strontium 215 ppm by weight XRF
225 ppm by weight INAA
Yttrium 12 ppm by weight XRF
Zirconium 56 ppm by weight XRF
65 ppm by weight INAA
Niobium L10 ppm by weight XRF
Antimony 0.41 ppm by weight INAA
Cesium 0.602 ppm by weight INAA
Barium 295 ppm by weight XRF
305 ppm by weight INAA
Lanthanum L30 ppm by weight XRF
5.26 ppm by weight INAA
Cerium L30 ppm by weight XRF
13.9 ppm by weight INAA
Neodymium 10.2 ppm by weight INAA
Samarium 3.42 ppm by weight INAA
Europium 1.08 ppm by weight INAA
Terbium 0.474 ppm by weight INAA
Ytterbium 1.63 ppm by weight INAA
Lutetium 0.241 ppm by weight INAA
Hafnium 1.68 ppm by weight INAA
Tantalum 0.155 ppm by weight INAA
Thorium 0.624 ppm by weight INAA
Uranium 0.36 ppm by weight INAA