Answer:
b. Intrusion; Granitic Batholith
Step-by-step explanation:
- Xenoliths are a rocky fragment that becomes developed in large bodies of the rocks and thus as a result of the solidification process, they are described as the inclusions of the igneous rocks when the release of the magma and they thus occur along with the magma chambers.
- As they are non-uniform and they are also found on the meteoroids and contain two types of gabbro that are formed by different pressure and temperatures. They provide information about the upper mantle.