Weathering Flashcards

The wearing away or changing the appearance or texture of something by long exposure to the air.

<p>The geomorphic process by which soil, sand, regolith, and rock move downslope typically under the force of gravity.</p> Signup and view all the answers

<p>The process of eroding or being eroded by wind, water, or other natural agents.</p> Signup and view all the answers

<p>Any of the various weathering processes that cause physical disintegration of exposed rock without changing the chemical composition.</p> Signup and view all the answers

<p>The erosion or disintegration of rocks caused by chemical reactions, chiefly with water.</p> Signup and view all the answers

<p>Repeated freeze-thaw cycles due to water expanding as it freezes.</p> Signup and view all the answers

<p>Piles of rocks that accumulate at the base of a cliff, chute, or slope.</p> Signup and view all the answers

<p>The process by which thin sheets of rock are successively broken loose from the outer surface of a large rock mass.</p> Signup and view all the answers

<p>Dome-shaped formations of granite created through the process of exfoliation.</p> Signup and view all the answers

<p>A form of chemical weathering that results in the formation of concentric or spherical layers of decayed rock.</p> Signup and view all the answers

<p>The difference in degree of discoloration and disintegration of rocks exposed to the same environment.</p> Signup and view all the answers

<p>The layer of unconsolidated rocky material covering bedrock.</p> Signup and view all the answers

<p>The upper layer of Earth where plants grow, consisting of organic remains, clay, and rock particles.</p> Signup and view all the answers

<p>A classification tool to determine soil classes based on their physical texture.</p> Signup and view all the answers

<p>The underlying geological material where soil horizons form.</p> Signup and view all the answers

<p>Layers in soil that have distinct physical characteristics compared to layers above and below.</p> Signup and view all the answers

<p>A vertical section of soil from the ground surface to the underlying rock.</p> Signup and view all the answers

<p>The transport of soil material from upper layers to lower levels by downward precipitation of water.</p> Signup and view all the answers

<p>The process by which soluble chemicals drain away from soil by action of percolating liquid.</p> Signup and view all the answers

<p>The surface and subsoil layers that have undergone the same soil forming conditions.</p> Signup and view all the answers

<p>A system developed by the USDA for classifying soil types based on various parameters.</p> Signup and view all the answers

<p>The process of taking metals and using them for economic value.</p> Signup and view all the answers

<p>The steepest angle at which a sloping surface formed of a particular loose material is stable.</p> Signup and view all the answers

<p>When material goes off the rock.</p> Signup and view all the answers

<p>When something slides off an area.</p> Signup and view all the answers

<p>When something flows off an area.</p> Signup and view all the answers

<p>A form of mass wasting where a coherent mass of materials moves a short distance down a slope.</p> Signup and view all the answers

<p>An avalanche of rock.</p> Signup and view all the answers

<p>A moving mass of loose mud, sand, soil, rock, water, and air that travels down a slope.</p> Signup and view all the answers

<p>Destructive mudflows on the slopes of a volcano.</p> Signup and view all the answers

<p>A downslope viscous flow of fine-grained materials that have been saturated with water.</p> Signup and view all the answers

<p>The tendency of a solid material to move slowly or deform permanently under stress.</p> Signup and view all the answers

<p>A special type of creep that occurs in areas of permafrost.</p> Signup and view all the answers

<p>A thick subsurface layer of soil that remains frozen throughout the year.</p> Signup and view all the answers