Faster access than browser!
49 relations: Antidune, Ball-and-pillow structures, Bed (geology), Bedform, Bioturbation, Burrow, Centimetre, Clastic dike, Cone-in-cone structures, Cross-bedding, Debris flow, Deposition (geology), Depositional environment, Erosion surface, Flame structure, Flaser bed, Fluvial, Foreset bed, Froude number, Graded bedding, Herringbone cross-stratification, Hummocky cross-stratification, Ichnofacies, Imbrication (sedimentology), Interference ripples, Liesegang rings (geology), Load cast, Microbially induced sedimentary structure, Mudcrack, Paleocurrent, Parting lineation, Raindrop impressions, Reynolds number, Ripple marks, Saltation (geology), Sand wave, Sediment, Seismite, Soft-sediment deformation structures, Sole markings, Standing wave, Stratigraphy, Stratum, Syneresis crack, Tidal bundle, Trace fossil, Turbidite, Vegetation-induced sedimentary structures, Way up structure.
Antidune
An antidune is a bedform found in fluvial and other channeled environments.
New!!: Sedimentary structures and Antidune · See more »
Ball-and-pillow structures
Ball-and-pillow structures are masses of clastic sediment that take the form of isolated pillows or protruding ball structures.
New!!: Sedimentary structures and Ball-and-pillow structures · See more »
Bed (geology)
Salto del Fraile Formation, Peru. Beds are the layers of sedimentary rocks that are distinctly different from overlying and underlying subsequent beds of different sedimentary rocks.
New!!: Sedimentary structures and Bed (geology) · See more »
Bedform
A bedform is a feature that develops at the interface of fluid and a moveable bed, the result of bed material being moved by fluid flow.
New!!: Sedimentary structures and Bedform · See more »
Bioturbation
Bioturbation is defined as the reworking of soils and sediments by animals or plants.
New!!: Sedimentary structures and Bioturbation · See more »
Burrow
A burrow is a hole or tunnel excavated into the ground by an animal to create a space suitable for habitation, temporary refuge, or as a byproduct of locomotion.
New!!: Sedimentary structures and Burrow · See more »
Centimetre
A centimetre (international spelling as used by the International Bureau of Weights and Measures; symbol cm) or centimeter (American spelling) is a unit of length in the metric system, equal to one hundredth of a metre, centi being the SI prefix for a factor of.
New!!: Sedimentary structures and Centimetre · See more »
Clastic dike
A clastic dike is a seam of sedimentary material that fills an open fracture in and cuts across sedimentary rock strata or layering in other rock types.
New!!: Sedimentary structures and Clastic dike · See more »
Cone-in-cone structures
Cone-in-cone structures are secondary sedimentary structures that form in association with deeper burial and diagenesis.
New!!: Sedimentary structures and Cone-in-cone structures · See more »
Cross-bedding
In geology, cross-bedding is layering within a stratum and at an angle to the main bedding plane.
New!!: Sedimentary structures and Cross-bedding · See more »
Debris flow
Debris flows are geological phenomena in which water-laden masses of soil and fragmented rock rush down mountainsides, funnel into stream channels, entrain objects in their paths, and form thick, muddy deposits on valley floors.
New!!: Sedimentary structures and Debris flow · See more »
Deposition (geology)
Deposition is the geological process in which sediments, soil and rocks are added to a landform or land mass.
New!!: Sedimentary structures and Deposition (geology) · See more »
Depositional environment
In geology, depositional environment or sedimentary environment describes the combination of physical, chemical and biological processes associated with the deposition of a particular type of sediment and, therefore, the rock types that will be formed after lithification, if the sediment is preserved in the rock record.
New!!: Sedimentary structures and Depositional environment · See more »
Erosion surface
In geology and geomorphology, an erosion surface is a surface of rock or regolith that was formed by erosion and not by construction (e.g. lava flows, sediment deposition) nor fault displacement.
New!!: Sedimentary structures and Erosion surface · See more »
Flame structure
A flame structure is a type of soft-sediment deformation that forms in unconsolidated sediments.
New!!: Sedimentary structures and Flame structure · See more »
Flaser bed
Flaser beds are a sedimentary, bi-directional, bedding pattern created when a sediment is exposed to intermittent flows, leading to alternating sand and mud layers.
New!!: Sedimentary structures and Flaser bed · See more »
Fluvial
In geography and geology, fluvial processes are associated with rivers and streams and the deposits and landforms created by them.
New!!: Sedimentary structures and Fluvial · See more »
Foreset bed
A foreset bed is one of the main parts of a river delta.
New!!: Sedimentary structures and Foreset bed · See more »
Froude number
In continuum mechanics, the Froude number is a dimensionless number defined as the ratio of the flow inertia to the external field (the latter in many applications simply due to gravity).
New!!: Sedimentary structures and Froude number · See more »
Graded bedding
In geology, a graded bed is one characterized by a systematic change in grain or clast size from one side of the bed to the other.
New!!: Sedimentary structures and Graded bedding · See more »
Herringbone cross-stratification
Herringbone cross-stratification is a type of sedimentary structure formed in tidal areas, where the current periodically flows in the opposite direction.
New!!: Sedimentary structures and Herringbone cross-stratification · See more »
Hummocky cross-stratification
Hummocky cross-stratification is a type of sedimentary structure found in sandstones.
New!!: Sedimentary structures and Hummocky cross-stratification · See more »
Ichnofacies
An ichnofacies is an assemblage of trace fossils that provides an indication of the conditions that their formative organisms inhabited.
New!!: Sedimentary structures and Ichnofacies · See more »
Imbrication (sedimentology)
In sedimentology imbrication refers to a primary depositional fabric consisting of a preferred orientation of clasts such that they overlap one another in a consistent fashion, rather like a run of toppled dominoes.
New!!: Sedimentary structures and Imbrication (sedimentology) · See more »
Interference ripples
Interference Ripples are a type of sedimentary structure made up of two sets of ripples formed at right-angles to each other as a result of there being two dominant paleocurrents.
New!!: Sedimentary structures and Interference ripples · See more »
Liesegang rings (geology)
Liesegang rings (also called Liesegangen rings or Liesegang bands) are colored bands of cement observed in sedimentary rocks that typically cut-across bedding.
New!!: Sedimentary structures and Liesegang rings (geology) · See more »
Load cast
Load casts are bulges, lumps, and lobes that can form on the bedding planes that separate the layers of sedimentary rocks.
New!!: Sedimentary structures and Load cast · See more »
Microbially induced sedimentary structure
Microbially induced sedimentary structures (MISS) are primary sedimentary structures formed by the interaction of microbes with sediment and physical agents of erosion, deposition, and transportation.
New!!: Sedimentary structures and Microbially induced sedimentary structure · See more »
Mudcrack
Mudcracks (also known as desiccation cracks, mud cracks or cracked mud) are sedimentary structures formed as muddy sediment dries and contracts.
New!!: Sedimentary structures and Mudcrack · See more »
Paleocurrent
A paleocurrent or paleocurrent indicator is a geological feature (typically a sedimentary structure) that helps one determine the direction of flowing water in the geologic past.
New!!: Sedimentary structures and Paleocurrent · See more »
Parting lineation
Parting lineation (also known as current lineation or primary current lineation) is a subtle sedimentary structure in which sand grains are aligned in parallel lines or grooves on the surface of a body of sand (or lithified as a sandstone).
New!!: Sedimentary structures and Parting lineation · See more »
Raindrop impressions
Raindrop impressions are a geological feature characterized by small craterlike pits with slightly raised edges that are the result of the impact of rain on soft sediment surfaces.
New!!: Sedimentary structures and Raindrop impressions · See more »
Reynolds number
The Reynolds number is an important dimensionless quantity in fluid mechanics used to help predict flow patterns in different fluid flow situations.
New!!: Sedimentary structures and Reynolds number · See more »
Ripple marks
In geology, ripple marks are sedimentary structures (i.e. bedforms of the lower flow regime) and indicate agitation by water (current or waves) or wind.
New!!: Sedimentary structures and Ripple marks · See more »
Saltation (geology)
In geology, saltation (from Latin saltus, "leap") is a specific type of particle transport by fluids such as wind or water.
New!!: Sedimentary structures and Saltation (geology) · See more »
Sand wave
A sand wave is a lower regime sedimentary structure that forms across from tidal currents.
New!!: Sedimentary structures and Sand wave · See more »
Sediment
Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice, and/or by the force of gravity acting on the particles.
New!!: Sedimentary structures and Sediment · See more »
Seismite
Seismites are sedimentary beds and structures deformed by seismic shaking.
New!!: Sedimentary structures and Seismite · See more »
Soft-sediment deformation structures
Soft-sediment deformation structures develop at deposition or shortly after, during the first stages of the sediment's consolidation.
New!!: Sedimentary structures and Soft-sediment deformation structures · See more »
Sole markings
Sole marks are sedimentary structures found on the bases of certain strata, that indicate small-scale (usually on the order of centimetres) grooves or irregularities.
New!!: Sedimentary structures and Sole markings · See more »
Standing wave
In physics, a standing wave – also known as a stationary wave – is a wave which oscillates in time but whose peak amplitude profile does not move in space.
New!!: Sedimentary structures and Standing wave · See more »
Stratigraphy
Stratigraphy is a branch of geology concerned with the study of rock layers (strata) and layering (stratification).
New!!: Sedimentary structures and Stratigraphy · See more »
Stratum
In geology and related fields, a stratum (plural: strata) is a layer of sedimentary rock or soil, or igneous rock that were formed at the Earth's surface, with internally consistent characteristics that distinguish it from other layers.
New!!: Sedimentary structures and Stratum · See more »
Syneresis crack
Syneresis cracks (also known as subaqueous shrinkage cracks) are a sedimentary structure developed by the shrinkage of sediment without desiccation – not to be confused with desiccation cracks.
New!!: Sedimentary structures and Syneresis crack · See more »
Tidal bundle
A tidal bundle is a sedimentary structure that forms in tidal areas as a result of spring and neap tides.
New!!: Sedimentary structures and Tidal bundle · See more »
Trace fossil
A trace fossil, also ichnofossil (ιχνος ikhnos "trace, track"), is a geological record of biological activity.
New!!: Sedimentary structures and Trace fossil · See more »
Turbidite
A turbidite is the geologic deposit of a turbidity current, which is a type of sediment gravity flow responsible for distributing vast amounts of clastic sediment into the deep ocean.
New!!: Sedimentary structures and Turbidite · See more »
Vegetation-induced sedimentary structures
Vegetation-induced sedimentary structures (VISS) are primary sedimentary structures formed by the interaction of detrital sediment with in situ plants.
New!!: Sedimentary structures and Vegetation-induced sedimentary structures · See more »
Way up structure
A way up structure, way up criterion, or geopetal indicator is a characteristic relationship observed in a sedimentary or volcanic rock, or sequence of rocks, that makes it possible to determine whether they are the right way up (i.e. in the attitude in which they were originally deposited, also known as "stratigraphic up") or have been overturned by subsequent deformation.
New!!: Sedimentary structures and Way up structure · See more »
Redirects here:
Sediment structures, Sedimentary structure.
References
[1] https://en.wikipedia.org/wiki/Sedimentary_structures
