Gradations $-$

Sample Name: Aeolian Sand $-$ Saddleback Buttes

$\backslash$table$[[$Total weight $($ g $),150\mathrm{.}6$ g$,,,],[$Fractions$,$weight $($ g $),\%$ of total,cumulative weight $($g$),$cumulative $\%],[-\frac{3}{4}+4,0,,,],[-4+10,0,,,],[-10+40,0,,,],[-40+60,48\mathrm{.}5,,,],[-60+100,91\mathrm{.}8,,,],[-100+140,6\mathrm{.}1,,,],[-140+200,3\mathrm{.}3,,,],[-200,0\mathrm{.}9,,,]]$

$D_{10}=$

$D_{30}=$

$D_{60}=$

$C_u=\frac{D_{60}}{D_{10}}$

$C_u=$

$C_c=\frac{(D_{30}{)}^2}{D_{60}{D}_{10}}$

$C_c=$

If: $C_u>6C_u\frac{n}{a}$; and $C_u>6,$ the sample $is$ well graded, otherwise, the sample $is$ poorly graded.

$If$ the sample $is$ poorly graded and $C_{u}is$ less than $or$ equal $to2\mathrm{.}0,$ the sample $is$ uniform.

$Is$ the sample well graded $or$ poorly graded?

$If$ the sample $is$ poorly graded, $isit$ uniform?

Fines:$\frac{n}{a}$; fines $(-200)$

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