AGDB2 rock sample M178019

(metamorphic, metaquartz diorite)

Field Value
Lab ID M178019
Field ID TA027
Job ID LU98
Sample submitter Nokleberg, Warren J.
Project name Trans Alaska Crustal Transect
Date submitted 6/4/1987 0:00:00
Country United States
State AK
Map quadrangle Gulkana
Geographic latitude 62.82222
Geographic longitude -145.48861
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name metaquartz diorite
Sample comment meta-quartz diorite-grano-
Additional sample attributes not metasomatic; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss)
Stratigraphic unit Gulkana River complex
Metamorphic setting shear
Metamorphic facies or grade greenschist
(click for info)
Geologic map unit -145.48861, 62.82222
Nearby scientific data Find additional scientific data near this location
Element Measured value Units of measure Analytical method
Rubidium 54 parts per million by weight EDX
Strontium 1050 parts per million by weight EDX
Yttrium <10 parts per million by weight EDX
Zirconium 130 parts per million by weight EDX
Niobium <10 parts per million by weight EDX
Element Value Units Technique Digestion Decomposition Laboratory
Rubidium 54 ppm XRF T EDXRF USGS-BGC
Strontium 1050 ppm XRF T EDXRF USGS-BGC
Yttrium L10 ppm XRF T EDXRF USGS-BGC
Zirconium 130 ppm XRF T EDXRF USGS-BGC
Niobium L10 ppm XRF T EDXRF USGS-BGC
Al2O3 17.9 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CaO 3.5 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
CO2 0.16 pct TT T HClO4 USGS-BGC
FeO 0.6 pct TT T HF-H2SO4 USGS-BGC
FeTO3 1.36 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
H2Om 0.13 pct GV T USGS-BGC
H2Ob 0.49 pct TT T flux and combustion, total H2O less moisture USGS-BGC
K2O 1.92 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
LOI 0.63 pct GV T combustion USGS-BGC
MgO 0.55 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
MnO 0.05 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
Na2O 5.3 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
P2O5 0.1 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
SiO2 68.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC
TiO2 0.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BGC