I have no clue
That would be sedimentary rock, and (honorable mention) occasionally metamorphic rock.
Sedimentary rock.
sedimentary
A dike.
it forms a sedimentary rock
The slab that forms when magma forces itself across rock layers is called a dike.
Metamorphic rock.
it forms a sedimentary rock
Sedimentary rock. It forms when layers of sediment pile up.
A crosscutting feature is always younger than the rock layers it cuts through because the feature always forms after the rock layers have been formed, making the rock layers older.
A sill is formed.
sill