1. Grain size: This refers to the size of the particles that make up the rock. Some common terms used to describe grain size include:
* Clay: Very fine-grained particles
* Silt: Fine-grained particles
* Sand: Medium-grained particles
* Gravel: Coarse-grained particles
* Conglomerate: Very coarse-grained particles
2. Composition: This refers to the type of minerals or rock fragments that make up the rock. For example, a rock made primarily of quartz grains might be called a quartz sandstone, while a rock made of limestone fragments might be called a limestone conglomerate.
Other factors that can also play a role in naming a sedimentary rock include:
* Texture: This describes the arrangement and shape of the grains.
* Color: Can be helpful for identifying specific minerals or origins.
* Fossils: The presence of fossils can help determine the age and environment in which the rock formed.
Examples of sedimentary rock names:
* Sandstone: A rock composed mainly of sand-sized grains.
* Shale: A fine-grained rock composed of clay and silt.
* Conglomerate: A coarse-grained rock composed of gravel-sized fragments.
* Limestone: A rock composed mainly of calcium carbonate.
It's important to note that these are just general guidelines, and there are many exceptions. Some sedimentary rocks may have unique names based on their specific characteristics or the location where they were found.