Exfoliating granite - Wikipedia
WEBExfoliating granite is a granite undergoing exfoliation, or onion skin weathering (desquamation). The external delaminated layers of granite are gradually produced by the cyclic variations of temperature at the surface of the rock in a process also called spalling.
Exfoliation joint - Wikipedia
WEBExfoliation joints in granite at Enchanted Rock State Natural Area, Texas, US. Detached blocks have slid along the steeply-dipping joint plane. Exfoliation joints or sheet joints are surface-parallel fracture systems in rock, often leading to the erosion of concentric slabs.
Exfoliation | Weathering, Erosion, Rocks | Britannica
WEBExfoliation, separation of successive thin shells, or spalls, from massive rock such as granite or basalt; it is common in regions that have moderate rainfall. The thickness of individual sheet or plate may be from a few millimetres to a few metres. Some geologists believe that exfoliation results.
Thermal influences on spontaneous rock dome exfoliation
WEBFeb 22, 2018 · Rock domes, with their onion-skin layers of exfoliation sheets, are among the most captivating landforms on Earth. Long recognized as integral in shaping domes, the exact mechanism (s) by which...
Granite dome - Wikipedia
WEBThese fractures are known as exfoliation joints, or sheet fractures, and form in onionlike patterns that are parallel to the land surface. These sheets of rock peel off the exposed surface and in certain conditions develop domical structures. [2]
Mechanical Weathering Through Physical Processes - ThoughtCo
WEBMar 2, 2019 · Sometimes rocks weather by peeling off in sheets rather than eroding grain by grain. This process is called exfoliation. Exfoliation can occur in thin layers on individual boulders, or it can take place in thick slabs as it …
Mechanism of exfoliation joint formation in granitic rocks, …
WEBJan 1, 1999 · The aims of this investigation are to estimate the magnitude of the paleostresses that created a particular exfoliation joint, to establish the mechanism leading to exfoliation and to evaluate relative fracture velocities of joints.
Exfoliation weathering - Western Science Center
WEBOct 28, 2014 · It almost appears as if the rock is composed of concentric layers that are peeling away like an onion skin, but this rock is a granite with little or no internal layering.This is caused by a type of weathering called exfoliation (or …
Rockfall triggering by cyclic thermal stressing of exfoliation ...
WEBMar 28, 2016 · Implications of cyclic thermal deformation. We have demonstrated how cycles of heating and cooling lead to deformation, work cycles, and stresses capable of fracturing granitic exfoliation...
Exfoliation - Vocab, Definition, and Must Know Facts - Fiveable
WEBExfoliation is a geological process where rock layers peel or flake off in sheets or slabs due to physical weathering, typically caused by temperature changes and pressure release. This process is significant in shaping landscapes, especially in granite formations, where large masses can break apart and create distinctive landforms.