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L OF EXPLORATORY <br /> PROJECT NUMBER 939-02.06 BORING NO. P-3 <br /> PROJECT NAME San Joaquin County Landfill Development Site PAGE 3 OF 5 <br /> BY BAB DATE 6/01-02/87 SURFACE ELEV. 113.93' <br /> POCKET PENETRA- W y LITH O- <br /> TORVANE PENETRO- TION z Uj � GRAPHIC DESCRIPTION <br /> METER > n. <br /> (Blows/ z w a < COLUMN <br /> (TSF) (TSF) Ft.) v J o t <br /> 40 CL @40' : common black iron-manganese <br /> ML oxidation stains. <br /> Core SILT, brown (10YR, 4/3) ; 10-20% very <br /> Box fine- to fine-grained sand; mica- <br /> 1 CL ceous; very common iron-manganese <br /> P/,/ oxidation stains; trace rootlets. <br /> CLAY, light reddish brown (5YR, 6/3) ; <br /> occasionally pink (5YR, 7/4) . <br /> 45 ML- SILT to CLAY, characteristics as above, <br /> CL except more common fine iron oxide- <br /> stained rootholes; occasional fine- <br /> to coarse-grained sand interbeds . <br /> minor interbeds of brown (10YR, 5/3) <br /> to yellowish brown (10YR, 5/8) silty <br /> sand; 15-35% fines; fine to medium <br /> grained; varies to sand with 10% <br /> --50 - fines. <br /> Core <br /> Box <br /> 1 <br /> ont. <br /> ML SILT, brown (7.5YR, 5/2) ; slightly <br /> clayey; 5% very fine- to fine- <br /> grained sand; dense, except for <br /> common rootholes to o.l" maximum <br /> diameter; some coated with pink <br /> 55 secondary clay or manganese oxide <br /> coatings . <br /> CL CLAY, pinkish gray (7.5YR, 5/2) ; weakly <br /> to moderately weathered, with occa- <br /> sional olive brown stains; no root- <br /> holes as above. <br /> 60 <br /> REMARKS <br /> Interval 40 to 89 feet cored. <br /> denotes. cored interval . <br />