AGDB2 rock sample M177872

(igneous, quartz porphyry)

Field Value
Lab ID M177872
Field ID 82CC023
Job ID LU87
Sample submitter Shew, Nora B.
Project name Alaska Geochronology
Date submitted 5/20/1987 0:00:00
Country United States
State AK
Map quadrangle Port Moller
Geographic latitude 55.20083
Geographic longitude -160.555
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type igneous
Sample media name quartz porphyry
Sample comment quartz porphyry
(click for info)
Geologic map unit -160.555, 55.20083
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Chromium <20 parts per million by weight EDX
Nickel <10 parts per million by weight EDX
Copper <10 parts per million by weight EDX
Zinc 32 parts per million by weight EDX
Rubidium 26 parts per million by weight EDX
Strontium 334 parts per million by weight EDX
Yttrium 6 parts per million by weight EDX
Zirconium 57 parts per million by weight EDX
Niobium <10 parts per million by weight EDX
Barium 477 parts per million by weight EDX
Lanthanum <10 parts per million by weight EDX
Cerium 18 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Chromium L20 ppm XRF T EDXRF USGS-BGC
Nickel L10 ppm XRF T EDXRF USGS-BGC
Copper L10 ppm XRF T EDXRF USGS-BGC
Zinc 32 ppm XRF T EDXRF USGS-BGC
Rubidium 26 ppm XRF T EDXRF USGS-BGC
Strontium 334 ppm XRF T EDXRF USGS-BGC
Yttrium 6 ppm XRF T EDXRF USGS-BGC
Zirconium 57 ppm XRF T EDXRF USGS-BGC
Niobium L10 ppm XRF T EDXRF USGS-BGC
Barium 477 ppm XRF T EDXRF USGS-BGC
Lanthanum L10 ppm XRF T EDXRF USGS-BGC
Cerium 18 ppm XRF T EDXRF USGS-BGC
Al2O3 14.3 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CaO 3.78 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CO2 0.14 pct TT T HClO4 USGS-BGC
FeO 0.5 pct TT T HF-H2SO4 USGS-BGC
FeTO3 2.56 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
H2Om 0.51 pct GV T USGS-BGC
H2Ob 0.42 pct TT T flux and combustion, total H2O less moisture USGS-BGC
K2O 1.28 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
LOI 1.37 pct GV T combustion USGS-BGC
MgO 0.9 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
MnO 0.04 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Na2O 3.3 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
P2O5 0.06 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
SiO2 71.7 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
TiO2 0.3 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC