Department of Commerce, Community, and Economic Development
Alaska Oil and Gas Conservation Commission
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HomeMy WebLinkAboutGMC Data Report No. 041X-RAY DIFFRACTION CLAY MINERALOGY ANALYSIS
TABLE 10
Clay Mineralogy of Conventional Core Samples
From Mobil West Staines State 18-9-23,
North Slope, Alaska
DEPTH
FT
SMECTITE ILLITE/SMECTITE ILLITE
CHLORITE KAOLIN OTHER MINERALS
10614 - MOD MAJ MOD MAJ Q1 ,P1 ,BNSH.
11170 - MIN MAJ MOD MOD Q1 ,P,PY, BNSH.
11223 - MIN MAJ MOD MOD O1 ,P1 ,BNSH.
11733 - MIN MAJ MAJ MOD Q2, P, CA, BNSH.
12543 - TRACE MOD TRACE - Q2,P,PY1 , BKSH.
12559 - MOD ~ - - Q, F, HC, TUFF
12561 - MAJ _ - - TUFF
12658 - MAJ _ _ - o, aN, TUFF
12659 - MAJ - - - Q2, AN2, TUFF
12671 - - MAJ - - Q2, P, PY2, BKSH.
12678 ..... Q3, AN2, TUFF
Definitions: TRACE = <3%, MIN = 3 - 12%, Mod = 13 - 35%, Major = >35%. Other E
mineral abbreviations: Q = Quartz, P = Plagioclase, AN = Analcime, HC =
Heulandite/Clinoptilolite, CA = Calcite, F = Feldspar, PY = Pyrite, BNSH =
Brownish gray shale, BKSH = Black carbonaceous shale. Analyses based on
<2-um Mg-saturated clays using air dry and glycol treatments.
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