NGDB rock sample M171775

Field Value
Unique Sample ID Number M171775
Analytical Job Number LQ31
Submitter Name Ford, Arthur B.
Date Submitted 19860501
Field Number 80AF008A
State AK
Latitude 58.41528
Longitude -134.60472
Source of Sample outcrop
Collection Method single/grab
Primary Classification rock
Secondary Classification metamorphic
Specific Name greenstone
Additional Attributes and Comments not metasomatic; quartz unknown; mafic (greenstone, greenschist, amphibolite);; augite-bearing greenstone;
Geologic Age or Range Jurassic--Cretaceous
Stratigraphic Unit Name DOUGLAS ISLAND VOLCANICS
Type of Metamorphism regional
Metamorphic Facies or Grade low grade
(click for info)
Geologic map unit -134.60472, 58.41528
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
LOI 2.45 percent by weight (unknown method)
H2O+ 2.71 percent bound water (unknown method)
H2O- 0.12 percent moisture (unknown method)
CO2 0.12 percent by weight Titration
Sodium 2.18 percent by weight INAA
Na2O 2.65 percent by weight XRF
MgO 7.4 percent by weight XRF
Al2O3 15.5 percent by weight XRF
SiO2 47.8 percent by weight XRF
P2O5 0.18 percent by weight XRF
K2O 0.2 percent by weight XRF
CaO 11.9 percent by weight XRF
Scandium 38.7 ppm by weight INAA
44 ppm by weight E-Spec
TiO2 0.73 percent by weight XRF
Vanadium 310 ppm by weight E-Spec
Chromium 100 ppm by weight XRF
101 ppm by weight INAA
MnO 0.18 percent by weight XRF
Iron 8.42 percent by weight INAA
FeO 8.13 percent by weight Titration
FeTO3 11.8 percent Fe2O3 by weight XRF
Cobalt 48.5 ppm by weight INAA
51 ppm by weight E-Spec
Nickel 60 ppm by weight XRF
Copper 100 ppm by weight XRF
Zinc 85 ppm by weight XRF
Rubidium L10 ppm by weight XRF
8.3 ppm by weight INAA
Strontium 790 ppm by weight XRF
Yttrium 12 ppm by weight XRF
13.3 ppm by weight ICP-AES
Zirconium 60 ppm by weight XRF
62 ppm by weight INAA
Niobium L10 ppm by weight XRF
1.6 ppm by weight ICP-AES
Ruthenium L0.5 ppb by weight Fire Assay
Rhodium L0.5 ppb by weight Fire Assay
Palladium 11 ppb by weight Fire Assay
Cesium 0.209 ppm by weight INAA
Barium 90 ppm by weight XRF
72.4 ppm by weight INAA
Lanthanum L30 ppm by weight XRF
5.49 ppm by weight INAA
5.7 ppm by weight ICP-AES
Cerium 30 ppm by weight XRF
13.7 ppm by weight INAA
13.7 ppm by weight ICP-AES
Praseodymium 1.7 ppm by weight ICP-AES
Neodymium 9.18 ppm by weight INAA
9.5 ppm by weight ICP-AES
Samarium 2.68 ppm by weight INAA
2.5 ppm by weight ICP-AES
Europium 0.93 ppm by weight INAA
0.94 ppm by weight ICP-AES
Gadolinium 3.5 ppm by weight ICP-AES
Terbium 0.473 ppm by weight INAA
L1 ppm by weight ICP-AES
Dysprosium 2.5 ppm by weight ICP-AES
Holmium 0.53 ppm by weight ICP-AES
Erbium 1.5 ppm by weight ICP-AES
Thulium 0.22 ppm by weight ICP-AES
Ytterbium 1.5 ppm by weight INAA
1.3 ppm by weight ICP-AES
Lutetium 0.216 ppm by weight INAA
0.19 ppm by weight ICP-AES
Hafnium 1.05 ppm by weight INAA
Tantalum 0.139 ppm by weight INAA
Iridium L0.5 ppb by weight Fire Assay
Platinum 7.8 ppb by weight Fire Assay
Gold L0.1 ppm by weight AA
Thorium 0.725 ppm by weight INAA
Uranium 0.35 ppm by weight INAA