AGDB2 rock sample M154242

(igneous, tonalite)

Field Value
Lab ID M154242
Field ID 82KR066A
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 56.54889
Geographic longitude -132.0525
Sample source outcrop
Collection method grab/single
Primary media type rock
Secondary media type igneous
Sample media name tonalite
Sample comment bio hnbl tonalite
Geologic age Late Cretaceous--Early Tertiary
Stratigraphic unit TKb; KTOF
Igneous setting dike/sill
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Geologic map unit -132.0525, 56.54889
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 18.2 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
CaO 6.87 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
FeO 5.2 pct TT T HF-H2SO4 USGS-BAL
FeTO3 7.54 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
K2O 1.58 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
LOI 0.46 pct GV T combustion USGS-BAL
MgO 3.05 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
MnO 0.12 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
Na2O 3.24 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
P2O5 L0.156 pct ES T semi-quant computed plate reader ES USGS-BAL
P2O5 0.28 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
SiO2 56.8 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL
TiO2 0.78 pct XRF T LiBO2-Li2B4O7 fusion USGS-BAL