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12 Cards in this Set

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  • Back

Lithosphere

Therigid outer part of the earth, consisting of the crust and upper mantle.

Tectonic Plates

When two sub-layers of the earth's crust that moves, float, and sometimes fracture and whose interaction causes continential drift, earthquakes, volcanos, mountains, and oceanic trenches.

Divergent Boundaries

It's a linear feature that exists between two tectonic plates that are moving away from each other.

Convergent Boundaries

It's a actively deforming region where two techtonic plates or fragments of the lithosphere move toward one another and collide.

Transform Boundary

Plate boundary since these faults neither create nor destroy lithosphere, is a type of fault whose relative motion is predominantly.

Convection Current

A current in a fluid that results from convection.

Strata

plural form of stratum.

Pangea

Pangea is a hypothetical supercontinent that included all current land masses, believed to have been existence before the continents broke apart during the triassic and jurassic periods.

Theory of Continential Drift

A theory stating that the earth's continents have been joined together and have moved away from each other at different times in the earth's history.

Faults

An unattractive or unsatisfactory feature, especially i a piece of work or in a persons character.

Dip-Slip Fault

It is casued by a combination of shearing and tension or compressional forces.

Strike-Slip Fault

A fualt in which rock starta are displaced mainley in a horizontal direction, parallel to the line of the fualt.