LITHOLOGIC DESCRIPTION
<br /> MONITORING WELL LOG
<br /> (continued)
<br /> MW4
<br /> Depth Interval Blow
<br /> HNu
<br /> feet BGS Counts USCS Symbol'IDescnptlon Remarks Value
<br /> 19 -23 12, 18, SM SAND medium reddish brown, loosely consolidated, <1
<br /> 20 slightly moist, very fine to fine, moderately sorted, very
<br /> micaceous,no apparent odor, no apparent staining, 85%
<br />' sand, 15% silt
<br /> 23 - 25 CL CLAY medium reddish brown to rust, blocky, dry, well
<br /> compacted firm, sandy, occasionally weathered plagioclase,
<br /> no apparent odor, no apparent staining, 85% clay, 15%
<br /> sand
<br /> 25 - 275 Sc SAND light reddish brown, slightly friable, loosely con-
<br /> solidated, subangular to subrounded, fine to coarse,poorly
<br /> sorted, well graded, no apparent odor, no apparent stain-
<br /> ing, moist, very micaceous,75% sand, 15% clay, 10% silt
<br /> 275 - 35 20, 33, ML SILT light olive gray, firm to hard, well-compacted, dry <1
<br /> 35 to slightly moist, no apparent odor,no apparent staining,
<br /> micromicaceous,no dilatency, high to moderate dry
<br /> strength, grading downward to increasing sand at 30 feet
<br /> 90% silt, 10% sand
<br /> 35 -39 ML SILT light brownish gray, firm to hard, blocky, slightly
<br /> cemented, Indurated, occasional carbonaceous material and
<br /> mottled with rust, no apparent staining, no apparent odor,
<br /> occasional very fine plagioclase laths, grading downward to
<br /> increasing sand, 90% silt, 10% sand
<br /> 39- 435 25, 25, SP SAND medium yellowish brown to grayish brown,pre- <1
<br /> 25 dominantly medium, subangular to angular, very loosely
<br /> consolidated, slightly moist, well sorted, no apparent odor,
<br /> no apparent staining, predominately quartz and milky
<br /> plagioclase grains, with common mica, fining downward,
<br /> 95% sand, 5% silt
<br /> 44 - 46 CL CLAY medium olive gray, firm, blocky, slightly moist,
<br /> mieromicaceous,high dry strength, no dilatency, moderate
<br /> plasticity, no apparent odor, no apparent staining, 85%
<br /> clay, 15% sand
<br /> 46-49 Sc SAND medium brownish gray, firm, blocky,very clayey, <1
<br /> Laminations with rust layers, dry to slightly moist, micro-
<br /> micaceous,no apparent odor, no apparent staining, well
<br /> compacted in places, moderate dry strength, 75% sand,
<br /> 25% clay
<br /> 49 - 55 35, 50 SP SAND light greenish gray, moist to wet at 53 feet, micro-
<br /> micaceous,predominately fine, very loosely consolidated,
<br /> no apparent odor, no apparent staining, well sorted, slightly
<br /> silty, predominately quartz and feldspar, 90% sand, 10%
<br /> sill Lj
<br /> 1 Unified Solis Classification System
<br />' MXCWPr&SICMAD wP A - 8
<br /> 10/12M
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