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LUG OF EXPLORATORY BORING PROJECT NUMBER 939-02.06 BORING NO. G-1 PROJECT NAME S.J. County Landfill Development Site PAGE 5 OF 9 BY BAB DATE 6/22-23/87 SURFACE ELEV. 117.07 D Continued). SANDY SILT, pale brown (10YR, 6/3); 20-25% very fine- to medium -grained sand; very clayey; slightly damp. SILT, brown (10YR, 5/3); 15-20% very 90 fine- to medium -grained sand; trace iron oxide grain coatings; damp to moist. @95°: 15-20% very fine-grained sand; drier. Increasingly sandy. SANDY SILT, dark brown (10YR, 4/3); 35- 40% very fine- to predominantly medium -grained sand; slightly clayey; sand composition approximately 55% lithic; 40% quartz; 5% mafic min- erals; moist. POCKET PENETRA- v LiTHO- TORVANE PENETRO- TION Z C J J GRAPHIC DESCRIPTION METER = ti i < a Q. = (Blow$/ 0 W a COLUMN (TSF) (TSF) Ft.) 0 D Continued). SANDY SILT, pale brown (10YR, 6/3); 20-25% very fine- to medium -grained sand; very clayey; slightly damp. SILT, brown (10YR, 5/3); 15-20% very 90 fine- to medium -grained sand; trace iron oxide grain coatings; damp to moist. @95°: 15-20% very fine-grained sand; drier. Increasingly sandy. SANDY SILT, dark brown (10YR, 4/3); 35- 40% very fine- to predominantly medium -grained sand; slightly clayey; sand composition approximately 55% lithic; 40% quartz; 5% mafic min- erals; moist.