1. In slowly cooled intrusive igneous rocks , pigeonite is rarely preserved. 2. Granite is an intrusive igneous rock , thus not volcanic. 3. Paarl Rock consists of intrusive igneous rock , while Uluru is a sedimentary remnant ). 4. Its geology features intrusive igneous rock formations, such as gabbro, combined with serpentine. 5. The central cores of major mountain ranges consist of intrusive igneous rocks , usually granite. 6. Dolerite intrusive igneous rock granophyre, known as Ercallite forms the northeastern shoulder of the Ercall. 7. Geology students frequently visit to study the intrusive igneous rocks in the road cuttings of Handria. 8. Intrusive igneous rocks ( e . g . granite ) are formed deep beneath the Earth's surface.9. Intrusive igneous rock originates from adjacent slopes ( most of those being tan-colored feldspar-rich syenite ).10. In geology, "'macrocrystalline "'intrusive igneous rocks which cooled slowly enough for crystal growth.