composed of shells
Bioclastic sedimentary rock--coquina.
Because it forms from animals that were once living which makes it an organic sediment. It can also be classified into the Detrital sedimentary rock category because it is compacted together.
Coquina is a sedimentary rock fitting that description.
There are many different kinds of sedimentary rock. Four examples of this type of rock are shale, sandstone, limestone and coquina.
Coquina is an organic sedimentary rock composed primarily of cemented shells of marine organisms.
A sedimentary rock called coquina.
A sedimentary rock called coquina.
It is a sedimentary rock made almost entirely of bones and shells.
I think you are describing a type of limestone called coquina.
Bioclastic sedimentary rock--coquina.
Because it forms from animals that were once living which makes it an organic sediment. It can also be classified into the Detrital sedimentary rock category because it is compacted together.
Coquina is the sedimentary rock most likely to contain visible fossils.
Coquina is a sedimentary rock fitting that description.
Coquina is a sedimentary rock made up of shells, shell fragments, and skeletons of small marine creatures.
There are many different kinds of sedimentary rock. Four examples of this type of rock are shale, sandstone, limestone and coquina.
== Marl.
Coquina is an organic sedimentary rock composed primarily of cemented shells of marine organisms.