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L] 1 i BORINGL'u""'G OF EXPLORATORY PROJECT NUMBER 939-02.06 BORING NO. P-3 PROJECT NAME San Joaquin County Landfill Development Site PAGE 3 OF 5 BY BAB DATE 6/01-02/87 SURFACE ELEV. 113.93' 'U CL @40': common black iron -manganese ML oxidation stains. Core SILT, brown (10YR, 4/3); 10-20% very Box fine- to fine-grained sand; mica - LL ceous; very common iron -manganese oxidation stains; trace rootlets. CLAY, light reddish brown (5YR, 6/3); ® — _ occasionally pink (5YR, 7/4). 45 ML- SILT to CLAY, characteristics as above, CL except more common fine iron oxide - stained rootholes; occasional fine - to coarse-grained sand interbeds. minor interbeds of brown (10YR, 5/3) to yellowish brown (10YR, 5/8) silty sand; 15-35% fines; fine to medium grained; varies to sand with 10% ---50 fines. Core Box Cont. ML SILT, brown (7.5YR, 5/2); slightly clayey; 5% very fine- to fine- grained sand; dense, except for common rootholes to o.1" maximum diameter; some coated with pink 55 secondary clay or manganese oxide coatings. ® _ CL CLAY, pinkish gray (7.5YR, 5/2); weakly to moderately weathered, with occa- sional olive brown stains; no root - holes as above. 60 REMARKS Interval 40 to 89 feet cored. denotes cored interval. POCKET PENETRA- LITHO- TORVANE PENETRO- TIONa Z J GRAPHIC DESCRIPTION METER �+ z (Blows/ c < W 3 a = COLUMN (TSF) (TSF) Ft.) J c ti 'U CL @40': common black iron -manganese ML oxidation stains. Core SILT, brown (10YR, 4/3); 10-20% very Box fine- to fine-grained sand; mica - LL ceous; very common iron -manganese oxidation stains; trace rootlets. CLAY, light reddish brown (5YR, 6/3); ® — _ occasionally pink (5YR, 7/4). 45 ML- SILT to CLAY, characteristics as above, CL except more common fine iron oxide - stained rootholes; occasional fine - to coarse-grained sand interbeds. minor interbeds of brown (10YR, 5/3) to yellowish brown (10YR, 5/8) silty sand; 15-35% fines; fine to medium grained; varies to sand with 10% ---50 fines. Core Box Cont. ML SILT, brown (7.5YR, 5/2); slightly clayey; 5% very fine- to fine- grained sand; dense, except for common rootholes to o.1" maximum diameter; some coated with pink 55 secondary clay or manganese oxide coatings. ® _ CL CLAY, pinkish gray (7.5YR, 5/2); weakly to moderately weathered, with occa- sional olive brown stains; no root - holes as above. 60 REMARKS Interval 40 to 89 feet cored. denotes cored interval.