Download Does the rock have visible bands

Yes
No
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Limestone
Yes
Sandstone
Does the
rock look
like mud or
clay?
Yes
Coal
Shale
No
Is the rock a
shiny black
color?
No
Does the
rock react
with
acid?
Breccia
Yes
Is the rock
made of sandsized
sediments?
Does the
rock have
angular
pebbles?
No
Is the
rock a
red
color?
Conglomerate
Yes
Does the
rock have
rounded
pebbles?
No
Yes
Coquina
No
No
Yes
Does the rock
contain
seashells?
No
No
Is the rock made of pebble-sized sediment?
Yes
Yes
Sedimentary Rocks
Dichotomous Key
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