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r 0 �II 0 0 0 u n 0 u LI LOG OF EXPLORATORY BORING PROJECT NUMBER 939-02.06 BORING NO. P-3 PROJECT NAME San Joaquin County Landfill Development Site PAGE 2 OF 5 BY BAB DATE 6/01-02/87 SURFACE ELEV. 113.93' WM r] K 4 Y, light yellowish brown (10YR, 6/4); 10-15% sand; occasional silt and clayey silt interbeds. SANDY CLAY, brown (7.5YR, 5/4); 20% medium- to coarse-grained sand; slightly silty; much softer than above; moist. @-26-29': CLAY to SANDY CLAY, brown (7.5YR, 5/4); 15-25% sand; very hard; slightly damp. SILTY CLAY, strong brown (7.5YR, 4/6); occasional iron stains and trace black laminations. SM SILTY SAND, yellowish brown (10YR, 5/8); 35-40% fines; predominantly fine to medium grained; quartzose with 15% fine mica flakes and 5% other maf i c grains; 10% interbeds vary to sandy silt and clayey silt; trace iron stains. :: CLAY, reddish brown (5YR, 5/4 to 5YR, CL 4/4); 10-15% fine- to predominantly medium- to trace coarse-grained sand. PLATE ,n POCKET PENETRA- W LITHO— TORVANE PENETRO- TIONz acJ H GRAPHIC DESCRIPTION METER (BFt ; a COLUMN (TSF) (TSF) )s/ 3 _j c N WM r] K 4 Y, light yellowish brown (10YR, 6/4); 10-15% sand; occasional silt and clayey silt interbeds. SANDY CLAY, brown (7.5YR, 5/4); 20% medium- to coarse-grained sand; slightly silty; much softer than above; moist. @-26-29': CLAY to SANDY CLAY, brown (7.5YR, 5/4); 15-25% sand; very hard; slightly damp. SILTY CLAY, strong brown (7.5YR, 4/6); occasional iron stains and trace black laminations. SM SILTY SAND, yellowish brown (10YR, 5/8); 35-40% fines; predominantly fine to medium grained; quartzose with 15% fine mica flakes and 5% other maf i c grains; 10% interbeds vary to sandy silt and clayey silt; trace iron stains. :: CLAY, reddish brown (5YR, 5/4 to 5YR, CL 4/4); 10-15% fine- to predominantly medium- to trace coarse-grained sand. PLATE ,n