Sieve
Number
Sieve
Size (mm)
Lagoon
Clay
Beaufort,
SC
Beach
Sand
Daytona
Beach, FL
Weathere
d Tuff
Central
America
3/4 in. 19 100 100 100
1/2 in. 12.5 100 100 98
#4 4.75 100 100 95
#10 2 100 100 93
#20 0.85 100 100 88
#40 0.425 100 98 82
#60 0.25 100 90 75
#100 0.15 95 10 72
#200 0.075 80 268
0.045 61 66
0.01 42 33
0.005 37 21
0.001 27 10
0
20
40
60
80
100
0.0001 0.001 0.01 0.1 1
Percent finer by weight (%)
Lagoon Clay Beaufort, SC
Beach Sand Daytona Beach, FL
#4
#200
