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LOG OF EXPLORATORY BORING <br />PROJECT NUMBER 939-02.06 BORING NO. G-3 <br />PROJECT NAME San Joaquin County Landfill Development Site PAGE 2 OF 11 <br />BY BAB DATE 6/15-19/87 SURFACE ELEV. 110.30 <br />K, <br />0 <br />_CL <br />continue <br />SM SILTY SAND, yellowish brown (10YR, 5/4); <br />30-35% fines; very fine to fine <br />grained; quartzose and micaceous with <br />10% other mafic grains; subangular to <br />subrounded grain shape; damp. <br />ML- SANDY SILT and CLAY, Interbedded (1:1); <br />CL Silt: brown (7.5YR, 5/4) to strong <br />brown (7.5YR, 4/6); 45+t very fine - <br />to fine-grained sand; slight iron <br />cementation. <br />Clay: grayish brown (10YR, 5/2); <br />soft. <br />CLAY, light brownish gray (10YR, 6/2); <br />10-15% fine- to coarse-grained sand; <br />minor harder, strong brown (7.5YR, <br />4/6) sandy silt interbeds; very <br />stiff and dense. <br />POCKET <br />PENETRA-E.-O <br />� <br />`ITHO- <br />TORVANE <br />PENEiRO- <br />TION <br />= <br />w <br />J GRAPHIC <br />METER <br />s <br />o <br />DESCRIPTION <br />(Blown/ <br />W <br />COLUMN <br />(TSF) <br />(TSF) <br />Ft.) <br />2 <br />K, <br />0 <br />_CL <br />continue <br />SM SILTY SAND, yellowish brown (10YR, 5/4); <br />30-35% fines; very fine to fine <br />grained; quartzose and micaceous with <br />10% other mafic grains; subangular to <br />subrounded grain shape; damp. <br />ML- SANDY SILT and CLAY, Interbedded (1:1); <br />CL Silt: brown (7.5YR, 5/4) to strong <br />brown (7.5YR, 4/6); 45+t very fine - <br />to fine-grained sand; slight iron <br />cementation. <br />Clay: grayish brown (10YR, 5/2); <br />soft. <br />CLAY, light brownish gray (10YR, 6/2); <br />10-15% fine- to coarse-grained sand; <br />minor harder, strong brown (7.5YR, <br />4/6) sandy silt interbeds; very <br />stiff and dense. <br />