Earth’s Changing Surface

Vocabulary

ArchAn arching landform created by weathering and erosion.

Delicate Arch Landscape Arch

ButteA steep, flat-topped hill

created by erosion.

Merrick Butte - within the Navajo Tribal Park North side of West Mitten Butte, along the Wildcat Trail

EarthquakeShaking or trembling of the earth

caused by movement along a fault.

ErodeTo wear away.

Eroding bluff edges

ErosionRemoval of rocks and dirt

by wind, water and ice.

Erosion due to wave pounding at Venus Bay,South Australia.

A rock formation in the Altiplano, Bolivia sculpted by wind erosion.

FaultA break or fracture in the crust of Earth.

The San Andreas Fault

GeologicalHaving to do with geology,

the study of Earth.

DepositionThe process of layering sediments.

GlacierSlow-moving masses of snow

and ice that carry rock and dirt.

Perito Moreno Glacier Patagonia Argentina

UpliftUpward movement of Earth’s crust.

Kupe's Sail New Zealand

VolcanoVents in Earth's crust that lava and steam can travel through.

Cleveland Volcano in the Aleutian Islands of Alaska

WeatheringThe process of breaking down rock and other materials into smaller pieces.

Salt weathering of sandstone near Qobustan, Azerbaijan..

A freshly broken rock shows differential chemical weathering (probably mostly oxidation) progressing inward. This piece of sandstone was found in glacial drift near Angelica, New York

Bryce Geology is an exemplary result of three major geological forces deposition, uplift, and erosion.

Weathering vs.

Erosion• Weathering

breaks it down.• Erosion carries it

away.