The Tunnel Sequence Is Also Known as the String of Beads

question 36

True/False

The tunnel sequence is also known as the string of beads.

---

Definitions:

Porphyritic Texture

A texture in igneous rock consisting of large crystal grains known as phenocrysts embedded in a fine-grained groundmass.

Intrusions

refer to bodies of igneous rock that form when magma cools and solidifies within the crust of a planet.

Copper

A reddish-brown, ductile metal that is an excellent conductor of electricity and heat, widely used in electrical wiring and plumbing.

Cement And Concrete

A specific construction material where cement, a powdery substance, is mixed with water, sand, and gravel to create concrete, a solid, durable building material.