Abstract
Diagenesis of carbonates and clastic sediments encompasses the biochemical, mechanical and chemical changes that occur in sediments after deposition and prior to low-grade metamorphism [...]
Highlights
Diagenetic processes involve a widespread chemical, mineralogical and isotopic modifications affected by original mineralogy of carbonate and clastic sediments
These diagenetic alterations will impose a major control on porosity and permeability and on hydrocarbon reservoirs, water aquifers as well as the presence of other important economic minerals [7,8,9,10]
The paper by Cantarero et al [11], entitled “Fracturing and near-surface diagenesis of a silicified Miocene deltaic sequence: the Montjuic Hill (Barcelona)” provided petrographic and geochemical evidence for the diagenetic overprints within the deltaic sequence investigated. These diagenetic modifications were affected by fracturing and cementation of a variety of minerals, such as barite and silicates
Summary
Diagenetic processes involve a widespread chemical, mineralogical and isotopic modifications affected by original mineralogy of carbonate and clastic sediments. The authors discussed the sources and nature of the diagenetic fluids that affected these rocks.
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