A sheet of igneous rock that protrudes into the surrounding layers of rock is called a dike. Dikes are most often horizontal sheets that can form in many layers.
This is a dike, however, this is considered intrusive igneous rock rather than volcanic.
They are called plutonic sills.
dikes
A sill.
An vertical intrusion of magma in a pre-existing rock formation is known as a dike.
Igneous intrusions that are concordant (parallel to bedding planes of country rocks) are known as sills, whereas dykes cut through the bedding.
Igneous rocks, non-foliated metamorphic rocks, and evaporites do not have layers.
they are called layers
Dykes.
A sill.
An vertical intrusion of magma in a pre-existing rock formation is known as a dike.
It's called a concordant igneous intrusion, or a sill.
Igneous intrusions that are concordant (parallel to bedding planes of country rocks) are known as sills, whereas dykes cut through the bedding.
A laccolith is an igneous formation between two sedimentary layers
Foliated rock has parallel layers.
no
igneous rocks
Igneous rocks, non-foliated metamorphic rocks, and evaporites do not have layers.
Stratus.
Igneous rock