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DEFINITION OF TERMS <br /> PRIMARY DIVISIONS GRAPHIC GROUP SECONDARY DIVISONS <br /> SYMBOL SYMBOL <br /> WELL GRADED GRAVELS GRAVEL SAND MIXTURES <br /> GW LITTLE OR NO FINES <br /> CLEAN GRAVELS <br /> (LESS THAN 5%FINES) <br /> GRAVELS GP POORLY GRADED GRAVELS OR GRAVEL-SAND MIXTURES LITTLE OR NO FINES <br />' MORE THAN HALF i I <br /> OR COARSE <br /> FRACTION IS <br /> =� w LARGER THAN GM SILTY GRAVELS GRAVEL-SAND-CLAY MIXTURES <br /> O 0 No 4 SIS NON-PLASTIC FINES <br /> U7 GRAVEL <br />' Q WITH FINES <br /> ZC Iv CLAYEY GRAELS GRAVELSANDSLAY MIXTURES <br /> Ir GC PLASTIC FINES <br />' V <br /> LLO Y • +� <br /> LU OLL <i L p•f WELL GRADED SANDS OR GRAVELLY SANDS <br /> SW LITTLE OR NO FINES <br /> ¢O SANDS . <br /> z CLEAN SANDS <br /> (LESS THAN 546 FINES} <br /> POORLY GRADED SANDS OR GRAVELLY SANDS <br /> uj <br /> V MORE THAN HALF SP LITTLE OR NO FINES <br /> 0 OR COARSE <br /> FRACTION iS <br /> SMALLER THAN <br />' No 4 SIEVE '.�'�+ +tip SILTY SANDS SAND-SILT MIXTURES <br /> SM PLASTIC FINES <br /> SANDS �, `t •��`w <br /> WITH FINES <br />' •! f CLAYEY SANDS SAND-CLAY MIXTURES <br /> N. SC PLASTIC FINES <br /> • ti• � <br /> a eti + ti <br /> INORGANIC SILTS AND VERY FINE SANDS ROCK <br />' ML FLOUR SILTY OR CLAYEY FINE SANDS OR CLAYEY <br /> SILTS WITH SLIGHT PLASTICITY <br /> SILTS AND CLAYS <br /> INORGANIC CLAYS OF LOW TO MEDIUM PLASTICITY <br /> J — — CL GRAVELLY CLAYS SANDY CLAYS SILTY CLAYS <br /> N LIQUID LIMIT IS — — — LEAN <br /> J LESS THAN 50% <br /> N T � 1 <br /> ORGANIC SILTS AND ORGANIC SILTY CLAYS OF <br /> OL Low PLASTICITY <br />' W W , _ - -- <br /> Z z(n <br /> O p, INORGANIC SILTS MICACEOUS OR DIATOMACEOUS <br /> L o <br /> w MH FINE SANDY OF SILTY SOILS ELASTIC SILTS <br /> Z" <br /> z SILTS AND CLAYS - <br /> G.F INORGANIC CLAYS OF HIGH PLASTICITY FAT <br /> LIQUID LIMIT IS CLAYS <br /> GREATER THAN 50% _ —_ <br />' OI„I ORGANIC CLAYS OF MEDIUM TO HIGH PLASTICITY <br /> ORGANC SILTS <br /> HIGHLY ORGANIC SOILS i Pt PEAT AND OTHER HIGHLY ORGANIC SOILS <br /> V TC BOREHOLE/WELL LOG LEGEND <br /> ASSOCIATES INC <br />