A Concept Presented by Charles Lyell, Called ____, Contends the Geological

question 10

Multiple Choice

A concept presented by Charles Lyell, called ____, contends the geological processes that sculpted Earth's surface over long periods of time are exactly the same as the processes observed today.

• A) catastrophism
• B) sedimentation
• C) orthogenesis
• D) gradualism
• E) uniformitarianism

---

Definitions:

Welded Texture

A term used in geology to describe rocks that have been fused together by high temperatures, often found in volcanic deposits.

Pyroclastic Eruption

A volcanic eruption characterized by the explosive ejection of hot ash, gas, and volcanic fragments.

Igneous Rock

A type of rock that forms through the cooling and solidification of magma or lava, with examples including granite and basalt.

Pyroclastic Eruption

A volcanic phenomenon involving the expulsion of hot gases, ash, and volcanic debris.