11.2 earth sci
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11.2 Types Of 11.2 Types Of Mountains Mountains
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Transcript of 11.2 earth sci
11.2 Types Of Mountains11.2 Types Of Mountains
OrogenesisOrogenesis
• A collection of processes that produce a mountain belt.
Folded MountainsFolded Mountains
• Mountains that are formed primarily by folding.
Fault-Block MountainsFault-Block Mountains
• A mountain formed when large blocks of crust are tilted, uplifted, or dropped between large normal faults.
GrabenGraben
• A valley formed by the downward displacement of fault-bounded block.
HorstHorst
• An elongated, uplifted block of crust bounded by faults.
Key ConceptsKey Concepts
• Mountains are classified by the dominant processes that have formed them.
• Mountains that are formed primarily by folding are called folded mountains.
• Large-scale normal faults are associated with structures called fault-block mountains.
Key ConceptsKey Concepts
• When upwarping produces a circular or elongated structure, the feature is called a dome.
• Large-scale normal faults are associated with structures called fault-block mountains.
