Here's why:
* Clastic means the rock is made up of fragments of other rocks.
* Conglomerate specifically refers to a clastic rock where the fragments are larger than 2mm in diameter. These fragments are often rounded, indicating they have been transported a significant distance.
* Because of the varying sizes of the fragments, conglomerates can have a wide range of textures, from coarse-grained to very coarse-grained.
Other important details:
* Conglomerates can be composed of various minerals, including quartz, feldspar, and rock fragments.
* The matrix, or the finer-grained material that fills the spaces between the larger fragments, can be composed of clay, silt, or sand.
* The color of a conglomerate depends on the composition of the fragments and the matrix.
* Conglomerates are often found in environments where there is a lot of energy, such as rivers, beaches, or glacial deposits.
