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Reservoir quality of Rotliegend sandstones is mainly controlled by their permeability, and porosity, and their mechanical properties. Thus, diagenetic porosity-reducing processes need to be understood to evaluate reservoir quality and geotechnical properties in sandstones. Best reservoir qualities are achieved in mature sandstones with large amounts of quartz cementation. The relative length of grain-contacts compared to the respective grain diameter is identified as proxy for rock strength.

Civil engineering, surveying & building --- Diagenese --- Reservoirqualitäten --- Gesteinsfestigkeit --- Fluvial-äolische Sandsteine --- Rotliegend --- Diagenesis --- Reservoir quality --- Rock strength --- Fluvio-eolian sandstones

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Diagenesis of carbonates and clastic sediments encompasses the biochemical, mechanical, and chemical changes that occur in sediments subsequent to deposition and prior to low-grade metamorphism. These parameters which, to a large extent, control diagenesis in carbonates and clastic sediments include primary composition of the sediments, depositional facies, pore water chemistry, burial–thermal and tectonic evolution of the basin, and paleo-climatic conditions. Diagenetic processes involve widespread chemical, mineralogical, and isotopic modifications affected by the original mineralogy of carbonate and clastic sediments. These diagenetic alterations will impose a major control on porosity and permeability and hence on hydrocarbon reservoirs, water aquifers, and the presence of other important economic minerals. In this Special Issue, we have submissions focusing on understanding the interplay between the mineralogical and chemical changes in carbonates and clastic sediments and the diagenetic processes, fluid flow, tectonics, and mineral reactions at variable scales and environments from a verity of sedimentary basins. Quantitative analyses of diagenetic reactions in these sediments using a variety of techniques are essential for understanding the pathways of these reactions in different diagenetic environments.

Research & information: general --- diagenesis --- authigenic minerals --- reservoir quality --- Eboliang --- Qaidam Basin --- clay minerals --- major elements --- trace elements --- sedimentary environment --- diagenetic Environment --- silicification --- meteoric diagenesis --- fractures --- deltaic sequence --- karst --- glacial period --- dolomitization --- Huron Domain --- Silurian --- Devonian --- fluid composition --- Michigan Basin --- bipyramidal quartz --- pseudohexagonal aragonite --- Iberian Range --- Upper Triassic --- hydrothermal circulation --- carbonate reservoirs --- sedimentation --- porosity --- platform carbonates --- REE + Y chemistry --- paleoceanographic proxies --- diagenetic proxies --- NE Turkey --- hydrothermal dolomite --- diagenetic settings --- optical petrography --- geochemical --- Triassic-Jurassic successions --- Provençal Domain --- diagenesis --- authigenic minerals --- reservoir quality --- Eboliang --- Qaidam Basin --- clay minerals --- major elements --- trace elements --- sedimentary environment --- diagenetic Environment --- silicification --- meteoric diagenesis --- fractures --- deltaic sequence --- karst --- glacial period --- dolomitization --- Huron Domain --- Silurian --- Devonian --- fluid composition --- Michigan Basin --- bipyramidal quartz --- pseudohexagonal aragonite --- Iberian Range --- Upper Triassic --- hydrothermal circulation --- carbonate reservoirs --- sedimentation --- porosity --- platform carbonates --- REE + Y chemistry --- paleoceanographic proxies --- diagenetic proxies --- NE Turkey --- hydrothermal dolomite --- diagenetic settings --- optical petrography --- geochemical --- Triassic-Jurassic successions --- Provençal Domain

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This volume describes the nature, causes, and consequences of the diverse fluid movements that produce energy and mineral resources in sedimentary basins. The contained papers point to new capabilities in basin analysis methods and models. The processes that operate in the resource-producing thermo-chemical-structural reactors we call sedimentary basins are reviewed. Efficient ways to infer the tectonic history of basins are described. Impacts on hydrocarbon maturation and migration of glacial tilting, magmatic intrusion, salt migration, and fracturing are illustrated. The conditions under which subsurface flow will channel with distance traveled are identified. Seismic methods that can image and map subsurface permeability channels are described. The surface maturation, surface charge, and chemical reaction foundations of creep subsidence are set forth. Dynamic aspects of the hydrogen resource in basins are analyzed. There is much that is new that is presented in these papers with the intent of stimulating thinking and enthusiasm for the advances that will be made in future decades.

Research & information: general --- normal faulting --- sill intrusions --- transient thermal effects --- steady state --- basin modeling --- volcanic basins --- salt --- thermal modeling --- source rock maturation --- petroleum system --- salt structures --- modeling principles --- geohistory evolution --- temperature effects --- conductivity effects on maturation --- multiscale/multiphysics basin modeling --- thermo-hydro-mechanical model --- isostatic adjustment --- computer simulations --- finite element method --- basin modelling --- hydro-mechanical coupling --- passive margins --- rock failure --- Glaciations --- isostasy --- flexural stress --- faults --- hydrocarbon migration --- magmatic intrusions --- diagenesis --- stress --- porosity --- permeability --- stress modeling --- fracture seismic --- fracture connectivity --- fracture mapping --- passive seismic --- sedimentary basins --- fluid flow --- capillary seals --- chemical alteration --- resources --- chalk --- compaction --- water weakening --- rock-fluid interaction --- modelling --- crustal well-core poroperm --- crustal fluid flow --- crustal flow channeling --- critical state physics --- well-log spectral scaling --- crustal power law scaling --- lognormal --- pink noise --- crustal fracture seismics --- crustal fracture imaging --- hydrogen economy --- natural hydrogen vents --- Sao Francisco Basin --- pulsing gas emission --- atmospheric pressure tides --- native hydrogen --- H2 exploration --- gas seeps --- H2 venting --- radiolysis --- serpentinization --- draining faults --- intra-cratonic basin --- diurnal hydrogen gas venting --- earth tides --- crustal sills --- hydrocarbon and mineral resources --- direct inversion method of fault slip analysis --- paleo tectonic principal stress orientations --- west-central New Hampshire --- normal faulting --- sill intrusions --- transient thermal effects --- steady state --- basin modeling --- volcanic basins --- salt --- thermal modeling --- source rock maturation --- petroleum system --- salt structures --- modeling principles --- geohistory evolution --- temperature effects --- conductivity effects on maturation --- multiscale/multiphysics basin modeling --- thermo-hydro-mechanical model --- isostatic adjustment --- computer simulations --- finite element method --- basin modelling --- hydro-mechanical coupling --- passive margins --- rock failure --- Glaciations --- isostasy --- flexural stress --- faults --- hydrocarbon migration --- magmatic intrusions --- diagenesis --- stress --- porosity --- permeability --- stress modeling --- fracture seismic --- fracture connectivity --- fracture mapping --- passive seismic --- sedimentary basins --- fluid flow --- capillary seals --- chemical alteration --- resources --- chalk --- compaction --- water weakening --- rock-fluid interaction --- modelling --- crustal well-core poroperm --- crustal fluid flow --- crustal flow channeling --- critical state physics --- well-log spectral scaling --- crustal power law scaling --- lognormal --- pink noise --- crustal fracture seismics --- crustal fracture imaging --- hydrogen economy --- natural hydrogen vents --- Sao Francisco Basin --- pulsing gas emission --- atmospheric pressure tides --- native hydrogen --- H2 exploration --- gas seeps --- H2 venting --- radiolysis --- serpentinization --- draining faults --- intra-cratonic basin --- diurnal hydrogen gas venting --- earth tides --- crustal sills --- hydrocarbon and mineral resources --- direct inversion method of fault slip analysis --- paleo tectonic principal stress orientations --- west-central New Hampshire

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This volume describes the nature, causes, and consequences of the diverse fluid movements that produce energy and mineral resources in sedimentary basins. The contained papers point to new capabilities in basin analysis methods and models. The processes that operate in the resource-producing thermo-chemical-structural reactors we call sedimentary basins are reviewed. Efficient ways to infer the tectonic history of basins are described. Impacts on hydrocarbon maturation and migration of glacial tilting, magmatic intrusion, salt migration, and fracturing are illustrated. The conditions under which subsurface flow will channel with distance traveled are identified. Seismic methods that can image and map subsurface permeability channels are described. The surface maturation, surface charge, and chemical reaction foundations of creep subsidence are set forth. Dynamic aspects of the hydrogen resource in basins are analyzed. There is much that is new that is presented in these papers with the intent of stimulating thinking and enthusiasm for the advances that will be made in future decades.

normal faulting --- sill intrusions --- transient thermal effects --- steady state --- basin modeling --- volcanic basins --- salt --- thermal modeling --- source rock maturation --- petroleum system --- salt structures --- modeling principles --- geohistory evolution --- temperature effects --- conductivity effects on maturation --- multiscale/multiphysics basin modeling --- thermo-hydro-mechanical model --- isostatic adjustment --- computer simulations --- finite element method --- basin modelling --- hydro-mechanical coupling --- passive margins --- rock failure --- Glaciations --- isostasy --- flexural stress --- faults --- hydrocarbon migration --- magmatic intrusions --- diagenesis --- stress --- porosity --- permeability --- stress modeling --- fracture seismic --- fracture connectivity --- fracture mapping --- passive seismic --- sedimentary basins --- fluid flow --- capillary seals --- chemical alteration --- resources --- chalk --- compaction --- water weakening --- rock—fluid interaction --- modelling --- crustal well-core poroperm --- crustal fluid flow --- crustal flow channeling --- critical state physics --- well-log spectral scaling --- crustal power law scaling --- lognormal --- pink noise --- crustal fracture seismics --- crustal fracture imaging --- hydrogen economy --- natural hydrogen vents --- Sao Francisco Basin --- pulsing gas emission --- atmospheric pressure tides --- native hydrogen --- H2 exploration --- gas seeps --- H2 venting --- radiolysis --- serpentinization --- draining faults --- intra-cratonic basin --- diurnal hydrogen gas venting --- earth tides --- crustal sills --- hydrocarbon and mineral resources --- direct inversion method of fault slip analysis --- paleo tectonic principal stress orientations --- west-central New Hampshire --- n/a --- rock-fluid interaction