Igneous Intrusions. Igneous intrusions form when magma cools and solidifies before it reaches the surface. Three common types of intrusion are sills, dykes, and batholiths (see image below). form when magma intrudes between the rock layers, forming a horizontal or gently-dipping sheet of igneous rock.The Whin Sill (top left image) in N. England provided a defensive cliff-line on which the Romans built Hadrianâs Wall.form as magma pushes up towards the surface through cracks in the rock.orm when magma intrudes between the rock layers, forming a horizontal or gently-dipping sheet of igneous rock. The Whin Sill (top left image) in N. England provided a defensive cliff-line on which the Romans built Hadrianâs Wall. form as magma pushes up towards the surface through cracks in the rock.
The scientific name for the phylum of cartilaginous fishes is Chondricthyes. More specifically, sharks are categorized under subclass Elasmobranchii which is then divided into â¦ the subdivisions Selachii (sharks) and Batoidea (skates and rays).
Jellyfish facts. 1  The scientific name for the barrel species is rhizostoma which means root pores. 2  Jellyfish are the staple diet of the critically endangered leatherback turtle. 3  The blue jellyfish is a common visitor to our coasts from May to October. 4  The compass jellyfish is prevalent off the south and west coasts of England. 5  While the ...ellyfish facts. 1  The scientific name for the barrel species is rhizostoma which means root pores. 2  Jellyfish are the staple diet of the critically endangered leatherback turtle. 3  The blue jellyfish is a common visitor to our coasts from May to October. 4  The compass jellyfish is prevalent off the south and west coasts of England. 5  While the ...