page_title: Thrust fault
section_title: Thrust geometry and nomenclature
hierarchical_section_title: Thrust fault / Thrust geometry and nomenclature
caption_attribution_description: English: Antiformal stack of thrust imbricates proved by well Lisburne No.1, Brooks Range Foothills, Alaska
context_page_description: A thrust fault is a break in the Earth's crust, across which older rocks are pushed above younger rocks.
caption: Antiformal stack of thrust imbricates proved by drilling, Brooks Range Foothills, Alaska
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