Sediment
|
>80 % sediment
|
Sediment with gravel
|
>70 % sediment and 10–30 % gravel
|
Sediment with shell
|
>70 % sediment and 10–30 % shell
|
Boulder
|
>80 % boulder
|
Boulder with sediment and gravel
|
>10 % each
|
Mix of sediment and gravel
|
30–70 % sediment and 30–70 % gravel
|
Mix of sediment and shell
|
30–70 % sediment and 30–70 % shell
|
Mix of sediment, gravel, and shell
|
>10 % each
|
Gravel*
|
>80 % gravel
|
Gravel with boulder*
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>60 % gravel and 10–30 % boulder
|
Mussel bed mixed with sediment, gravel, and shell*
|
>10 % each
|