Cooling in rifting sequences during increasing burial depth due to heat flow decrease

Andrea Ceriani, Andrea Di Giulio, Roberto Fantoni, Paolo Scotti

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

Two case histories are presented to give evidences for sediment cooling during increasing burial depth due to heat flow decrease at the end of crustal stretching in extensional settings. The first refers to the Lower Cretaceous succession accumulated in a strongly subsiding trough within the Sirt Basin (Libya); the second relates to the Mesozoic succession of the Lombardian Basin (NW Italy) formed during Late Triassic-Early Jurassic rifting of the northern margin of the Adriatic microplate. In both cases, heat flow decreasing at the end of crustal stretching overbalanced the thermal effect of increasing burial depth causing a net cooling of rocks. These examples provide an alternative to exhumation for explaining cooling events recorded by rifting sedimentary sequences.

Original languageBritish English
Pages (from-to)365-371
Number of pages7
JournalTerra Nova
Volume18
Issue number5
DOIs
StatePublished - Oct 2006

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