AGDB2 rock sample M162866

(igneous, gabbro)

Field Value
Lab ID M162866
Field ID 83AIL019A
Job ID LG61
Sample submitter Nokleberg, Warren J.
Project name Metallogenesis of E Alaska Range
Date submitted 7/12/1984 0:00:00
Country United States
State AK
Map quadrangle Gulkana
Geographic latitude 62.77139
Geographic longitude -144.01028
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type igneous
Sample media name gabbro
Sample comment hb GB
Additional sample attributes not metasomatic; quartz unknown; mafic (greenstone, greenschist, amphibolite)
Metamorphic setting regional
Metamorphic facies or grade greenschist
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Geologic map unit -144.01028, 62.77139
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Chromium <270 parts per million by weight WDX_Fuse
Rubidium 26 parts per million by weight EDX
Strontium 348 parts per million by weight EDX
Yttrium 20 parts per million by weight EDX
Zirconium 60 parts per million by weight EDX
Niobium 12 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Sulfur <0.02 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Sulfur <0.02 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Chromium <270 ppm XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Rubidium 26 ppm XRF T EDXRF USGS-BAL
Strontium 348 ppm XRF T EDXRF USGS-BAL
Yttrium 20 ppm XRF T EDXRF USGS-BAL
Zirconium 60 ppm XRF T EDXRF USGS-BAL
Niobium 12 ppm XRF T EDXRF USGS-BAL
Al2O3 16.6 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
CaO 10.5 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
FeO 6.71 pct TT T HF-H2SO4 USGS-BAL
FeTO3 9.93 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
K2O 0.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
LOI 3.37 pct GV T combustion USGS-BAL
MgO 5.89 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
MnO 0.25 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Na2O 2.22 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
P2O5 0.18 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
SiO2 49.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
TiO2 0.74 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL