Retrieving "Volcanic Rocks" from the archives
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Lithology
Linked via "volcanic rocks"
Lithology is the branch of geology concerned with the description and classification of rocks, particularly sedimentary rocks and volcanic rocks, based on their physical characteristics, such as texture, grain size, mineral composition, color, and other visible features. While petrology focuses on the genesis, mineralogy, and chemical composition of rocks, lithology emphasizes the description of the rock as found in the field or outcrop, …
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Subaerial Exposure
Linked via "volcanic rocks"
Desiccation and Differential Contraction
The removal of hydrostatic pressure and subsequent water loss leads to desiccation. Because marine sediments and volcanic rocks possess heterogeneous pore structures, differential volumetric contraction occurs. This contraction is not uniform across mineral phases. For example, the clay mineral illite exhibi…