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<br /> LOG OF EXPLORATORY BORING
<br />',- PROJECT NUMBER F90-02 01 BORING NO NM-12
<br /> PROJECT NAME A Teichert & Son,Inc PAGE 2 OF 5
<br />' BY D Buchanan DATE 8/12/92 SURFACE ELEV 20 57 ft.
<br /> PFNETRA- igni
<br /> U) LITHO^ WELL
<br />' PID RECOVERY TION _,i GRAPHIC DESCRIPTION DETAIL
<br /> CL CL
<br /> i
<br /> tY¢t' M COLUMN
<br /> (prim) (ft/ft) (bless/ft) —3 L�
<br /> f1)
<br />' 0 1 4/1 5 SANDY SILT TO SILTY SAND(ML-SM)
<br /> (continued)
<br /> 21
<br /> I
<br />' SILTY SAND(SM),brown(10YR,5/3), 15% low
<br /> plasticity fines, 85% Fine sand,90-9517o quartz,
<br /> trace to 5%dark grains,trace feldspar,
<br />' 0 1 0/1 5 25 manganese oxide staining common, caliche
<br /> abundant locally medium dense, damp, no
<br /> 30 product odor
<br /> 1
<br />' 0 1 4/1 5 30
<br /> SAND(SP),brown(10YR,4/3), trace fines, 5%
<br /> 28 fine sand,subangular to subrounded,50% quartz,
<br /> 40-45% dark rock fragments, 5-10% feldspar,
<br />' trace to 5% medium to coarse sand,subrounded
<br /> 50%quartz,50% rock fragments, trace fine
<br /> gravel,rounded,dark rock fragments, quartz,
<br />' medium dense,damp, no product odor
<br /> @ 35' Dark grayish brown(10YR 4/2) trace
<br />' 0 15/15 35 fines,25%fine sand,75% medium sand, sand is
<br /> subangular to subrounded, 50% quartz, 40%dark
<br /> 44 rock fragments, 10%feldspar, caliche common,
<br /> dense,damp, no product odor
<br />' @ 35 9-36' Abundant caliche in Hardpan layer
<br /> SILTY SAND(SM),brown(10YR, 5/3), 15% low
<br /> plasticity fines,85%fine sand,subangular,90%
<br />' quartz,5-10%dark grains, trace feldspar,
<br /> manganese oxide staining common, dense, damp,
<br /> 40 no product odor
<br /> REMARKS
<br /> Soil boring was drilled using 8-inch diameter hollow-stem auger dnUing equipment and sampled with a modified
<br /> California split-spoon sampler equippad wuh stsuiless steel liners Sce a=chcd well details for well construction
<br />' mfoimauon.
<br /> E ON
<br /> ASSOCIATES
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