An individual layer is a stratum; a group of layers is referred to as strata.
They are called sedimentary rocks.
The layer of solid unbroken rocks in the Earth's crust is called the lithosphere.
LITHOSPHERE.
The layer of coal between rocks is called a coal seam or coal bed. This layer forms over millions of years from compressed plant material.
bedrock
The layer of rocks and soil above the water table that are usually not filled with water is called the unsaturated zone or vadose zone. This area allows water to percolate down to the groundwater below.
The layer of the Earth that contains rocks, minerals, and soil is the Earth's crust. It is the outermost layer of the Earth and is divided into tectonic plates that float on the semi-liquid layer below called the mantle.
The layer of the Earth next to the core is called the mantle. It is a rocky layer located between the core and the Earth's crust. The mantle's composition is primarily silicate rocks.
The layer of the Earth that is primarily made of rocks and soil is called the crust. The Earth's crust is the outermost layer of the planet and is divided into two types: continental crust (underlying land masses) and oceanic crust (underlying ocean basins).
The layer of heavy rocks beneath the Earth's crust is called the mantle. It is composed of solid rock material that extends down to about 1,800 miles below the Earth's surface.
Saturated Zone .
Regolith.