(Redirected from Olistolith )
Type of chaotic sedimentary deposit
Roadside cross-section of a large olistolith in the ophiolithic melange, Western Vardar Ophiolithic Unit of Serbia An olistostrome is a sedimentary deposit composed of a chaotic mass of heterogeneous material, such as blocks and mud, known as olistoliths , that accumulates as a semifluid body by submarine gravity sliding or slumping of the unconsolidated sediments . It is a mappable stratigraphic unit which lacks true bedding , but is intercalated amongst normal bedding sequences , as in the Cenozoic basin of central Sicily . The term olistostrome is derived from the Greek olistomai (to slide) and stroma (accumulation).
The eroded Miocene olistostrome at Canossa , Italy See also
References
Sedimentary Geology 4 (1970), 521-557.
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