It creates a Shield Volcano.
I hope this helps! =)
A Landslide is a type of mass movement that occurs when a thin block of soil, rock, and debris separates from the underlying bedrock.
Actually, this thin block of soil and rocks were held by Tree's roots so it do not separated from the bedrock. Now days, more and more trees were cutted down for modern development, and more landslides happen because of this.
Answer:
Gabbro and basalt
Explanation:
The oceanic crust is mainly made of gabbro rocks and different types of basalt rocks.
http://faculty.chemeketa.edu/afrank1/topo_maps/scale.htm use this website and i think this should fully explain it