AGDB2 rock sample M154243

(metamorphic, schist)

Field Value
Lab ID M154243
Field ID 82KR068A
Job ID KY97
Sample submitter Brew, David A.
Project name Petersburg AMRAP
Date submitted 8/3/1982 0:00:00
Country United States
State AK
Map quadrangle Petersburg
Geographic latitude 56.54861
Geographic longitude -132.06694
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type metamorphic
Sample media name schist
Sample comment ga ho schist
Additional sample attributes metasomatism unknown; quartz present; feldspathic (granite gneiss, syenite gneiss, biotite gneiss)
Geologic age Late Cretaceous--Early Tertiary
Stratigraphic unit TKb
Metamorphic facies or grade amphibolite
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Geologic map unit -132.06694, 56.54861
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
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
Al2O3 13.1 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
CaO 9.53 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
FeO 12.1 pct TT T HF-H2SO4 USGS-BAL
FeTO3 15.4 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
K2O 0.77 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
LOI 1.06 pct GV T combustion USGS-BAL
MgO 6.14 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
MnO 0.23 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Na2O 1.34 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
P2O5 L0.156 pct ES T semi-quant computed plate reader ES USGS-BAL
P2O5 0.09 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
SiO2 51.1 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
TiO2 0.77 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL