Definition of cataclasis in English:

cataclasis

nounˌkatəˈkleɪsɪs

mass nounGeology

The fracture and breaking up of rock by natural processes.
〔地质〕岩石碎裂
Example sentencesExamples
- Field-based and microstructural studies of the Zuccale fault reveal that an initial phase of pervasive cataclasis increased fault zone permeability, promoting influx of CO2-rich hydrous fluids.
- For example, cataclasis is a fracture-related process that changes a fault from a simple pair of moving surfaces to a zone containing deformed, poorly sorted, fractured, fine-grained material by converting country rock to fault rock.
- Close to the tectonic contact with the Mesozoic-Cenozoic cover there is a wide zone of cataclasis.

Derivatives

cataclastic

adjective ˌkatəˈklastɪk

Geology

Large cobble - sized clasts of sandstone, up to 250 mm diameter, in the conglomerates contain fractures with void infilling by matrix, indicating cataclastic deformation before lithification.
Example sentencesExamples
- Brittle deformation is preserved as the occurrence of fractures within quartz grains that have been healed by authigenic quartz and by cataclastic flow of fragmented feldspar grains.
- In contrast, the Lasrdal-Gjende fault system is brittle and marked by a much thinner zone of cataclastic fault rock.
- Localized cataclastic deformation is common in both areas of outcrop, with millimetre-scale shatter seams containing comminuted material and rounded strained grains of quartz and feldspar.
- They have been referred to as microfaults, cataclastic slip bands, braided shear fractures, granulation seams or band faults.

Origin

1950s: from cata- 'completely' + Greek klasis 'breaking'.

词汇	cataclasis
释义	Definition of cataclasis in English: cataclasis nounˌkatəˈkleɪsɪs mass nounGeology The fracture and breaking up of rock by natural processes. 〔地质〕岩石碎裂 Example sentencesExamples Field-based and microstructural studies of the Zuccale fault reveal that an initial phase of pervasive cataclasis increased fault zone permeability, promoting influx of CO2-rich hydrous fluids. For example, cataclasis is a fracture-related process that changes a fault from a simple pair of moving surfaces to a zone containing deformed, poorly sorted, fractured, fine-grained material by converting country rock to fault rock. Close to the tectonic contact with the Mesozoic-Cenozoic cover there is a wide zone of cataclasis. Derivatives cataclastic adjective ˌkatəˈklastɪk Geology Large cobble - sized clasts of sandstone, up to 250 mm diameter, in the conglomerates contain fractures with void infilling by matrix, indicating cataclastic deformation before lithification. Example sentencesExamples Brittle deformation is preserved as the occurrence of fractures within quartz grains that have been healed by authigenic quartz and by cataclastic flow of fragmented feldspar grains. In contrast, the Lasrdal-Gjende fault system is brittle and marked by a much thinner zone of cataclastic fault rock. Localized cataclastic deformation is common in both areas of outcrop, with millimetre-scale shatter seams containing comminuted material and rounded strained grains of quartz and feldspar. They have been referred to as microfaults, cataclastic slip bands, braided shear fractures, granulation seams or band faults. Origin 1950s: from cata- 'completely' + Greek klasis 'breaking'.
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