Laserfiche WebLink
LOG OF EXPLORATORY BORING <br /> PROJECT NUMBER 939-02.06 BORING NO. P-1 <br /> PROJECT NAME S.J. County Landfill Development Site PAGE 2 OF 3 <br /> BY BAB DATE 6/06-07/87 SURFACE ELEV. 111.02 <br /> POCKET PENETRA- N LITHO- <br /> 0TORVANE PENETRO- TION Z J GRAPHIC <br /> METER W x a DESCRIPTION <br /> (TSF) (TSF) (BFt)s/ o COLUMN <br /> 20 <br /> JE SC CLAYEY SAND (continued) . <br /> @-22' : yellowish red (5YR, 5/8) ; 10% <br /> SP-- fines; coarse grained; quartzose and <br /> SC :: ::: micaceous with trace feldspar; sub- <br /> angular to subrounded grain shape; <br /> medium dense; moist. <br /> 51 25 <br /> SP ::::: SAND, strong brown (7.5YR, 5/8) to. <br /> ,.,.; yellowish brown (10YR, 5/4); very <br /> fine to predominantly medium grained; <br /> mineralogy as above; poorly graded; <br /> subangular grain shape; thickly lam- <br /> inated; medium dense; moist. <br /> 30 30 @30.5' : light yellowish brown <br /> (2.5Y, 6/4); (/=5% fines; very fine <br /> 45 to predominantly coarse grained. <br /> SW @30.75° : pale yellow (5Y, 7/3); very <br /> fine to very coarse grained; sub- <br /> rounded to rounded quartz with 15% <br /> SP micas; 10% other dark minerals; no <br /> bedding features; moist. <br /> @34' : pale yellow (5Y, 7/4); pre- <br /> 42 35 SW : dominantly medium grained; poorly <br /> graded. <br /> @34.25' : well graded as at 31' . <br /> @36' : occasional weakly developed <br /> 36 very thin bedding. <br /> 42 <br /> 40 <br /> REMARKS <br /> Blow count information based on a 300-pound hammer falling 30 inches <br /> with a 2-1/2-inch inside diameter sampler. Correction is necessary in <br /> order to correlate the blow counts with standard penetration test data. <br /> PLATE A-2 <br />