Footwall Definition & Meaning - Merriam-Webster
网页The meaning of FOOTWALL is the lower underlying wall of a vein, ore deposit, or coal seam in a mine.
Footwall | geology | Britannica
网页geochemical cycle. lithosphere, rigid, rocky outer layer of Earth, consisting of the crust and the solid outermost layer of the upper mantle. It extends to a depth of about 60 miles (100 km). It is broken into about a dozen separate, rigid blocks, or plates (see plate tectonics).
Fault | Definition & Types | Britannica
网页2024年8月28日 · When rocks slip past each other in faulting, the upper or overlying block along the fault plane is called the hanging wall, or headwall; the block below is called the footwall. The fault strike is the direction of the line of intersection between the fault plane and Earth’s surface.
FOOTWALL Definition & Meaning - Dictionary.com
网页Footwall definition: the top of the rock stratum underlying a vein or bed of ore.. See examples of FOOTWALL used in a sentence.
1.11: Faults - Geosciences LibreTexts
网页The wall located to the up-dip side of the fault is called the footwall. If these are not clear, think of a geologist standing in a small cave exactly on a fault plane that dips moderately. The geologist’s feet will rest naturally on the footwall, while the hanging wall will overhang the geologist’s head.
15.3.1: Folding and Faulting - Geosciences LibreTexts
网页2024年5月24日 · Generally, two walls are distinguished, the footwall and hanging wall. The hanging wall moves horizontally, vertically, or in both directions relative to the footwall . We identify the hanging and foot walls relative to the fault plane.
Learn About Different Fault Types - ThoughtCo
网页2020年1月17日 · The main components of a fault are (1) the fault plane, (2) the fault trace, (3) the hanging wall, and (4) the footwall. The fault plane is where the action is. It is a flat surface that may be vertical or sloping. The line it makes on …
Reading: Faults | Geology - Lumen Learning
网页The rocks beneath a fault are called the footwall. Normal and Detachment Faults. In a normal fault, the hanging wall has moved down relative to the footwall. A detachment fault is a particular kind of normal fault that generally dips at a low angle.
3.5: Faults - Geosciences LibreTexts
网页Normal faults form when the hanging wall moves down relative to the footwall. Faults are the places in the crust where brittle deformation occurs as two blocks of rocks move relative to one another. Normal and reverse faults display vertical, also known as dip-slip, motion.
footwall – An Introduction to Geology
网页footwall. « Back to Glossary Index. On a dipping fault, the part of the block that is below the fault. Moves down in normal faulting, up in reverse faulting.
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