71 relations: Alaska, Alluvial fan, Angus, Scotland, Anthracite, Arbroath, Attrition (erosion), Barcelona, Bed load, Boulder, Breccia, Calcite, Calcium carbonate, California Institute of Technology, Clastic rock, Clay, Cobble (geology), Colorado, Consolidation (soil), Crestone, Colorado, Cross-bedding, Curiosity (rover), Debris flow, Depositional environment, Desert, Diachronous, Dunnottar Castle, Esker, Glacier, Graded bedding, Grain size, Granule (geology), Gravel, Hematite, Hottah (Mars), Imbrication (sedimentology), Iron oxide, Jasper conglomerate, Jet Propulsion Laboratory, Kata Tjuta, Kincardineshire, Lithification, Marine transgression, Mars, Matrix (geology), Maurice Tucker, Metaconglomerate, Metamorphism, Montserrat (mountain), NASA, North Sea, ..., Northern Territory, Outcrop, Pebble, Pottsville Formation, Puddingstone (rock), Quartz, San Luis Valley, Sand, Sangre de Cristo Range, Santa Maria de Montserrat Abbey, Scotland, Sediment, Sedimentary rock, Sedimentary structures, Shore, Silicon dioxide, Silt, Stonehaven, Till, Turbidite, Unconformity. Expand index (21 more) » « Shrink index
Alaska (Alax̂sxax̂) is a U.S. state located in the northwest extremity of North America.
An alluvial fan is a fan- or cone-shaped deposit of sediment crossed and built up by streams.
Angus (Aonghas) is one of the 32 local government council areas of Scotland, a registration county and a lieutenancy area.
Anthracite, often referred to as hard coal, is a hard, compact variety of coal that has a submetallic luster.
Arbroath or Aberbrothock (work) is a former royal burgh and the largest town in the council area of Angus in Scotland, and has a population of 23,902.
Attrition is a form of coastal or river erosion, when the bed load is eroded by itself and the bed.
Barcelona is a city in Spain.
The term bed load or bedload describes particles in a flowing fluid (usually water) that are transported along the bed.
In geology, a boulder is a rock fragment with size greater than in diameter.
Breccia is a rock composed of broken fragments of minerals or rock cemented together by a fine-grained matrix that can be similar to or different from the composition of the fragments.
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).
Calcium carbonate is a chemical compound with the formula CaCO3.
The California Institute of Technology (abbreviated Caltech)The university itself only spells its short form as "Caltech"; other spellings such as.
Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock.
Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.
A cobble (sometimes a cobblestone) is a clast of rock defined on the Udden–Wentworth scale as having a particle size of, larger than a pebble and smaller than a boulder.
Colorado is a state of the United States encompassing most of the southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains.
Consolidation refers to the process by which soils change volume in response to a change in pressure.
The Town of Crestone is a Statutory Town in Saguache County, Colorado, United States.
In geology, cross-bedding is layering within a stratum and at an angle to the main bedding plane.
Curiosity is a car-sized rover designed to explore Gale Crater on Mars as part of NASA's Mars Science Laboratory mission (MSL).
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.
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.
A desert is a barren area of landscape where little precipitation occurs and consequently living conditions are hostile for plant and animal life.
A diachronous (Greek dia, through + Chronos) deposit in geology is a sedimentary rock formation in which apparently similar material varies in age from place to place.
Dunnottar Castle (Dùn Fhoithear, "fort on the shelving slope") is a ruined medieval fortress located upon a rocky headland on the north-east coast of Scotland, about south of Stonehaven.
An esker, eskar, eschar, or os, sometimes called an asar, osar, or serpent kame, is a long, winding ridge of stratified sand and gravel, examples of which occur in glaciated and formerly glaciated regions of Europe and North America.
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries.
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.
Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks.
A granule is a clast of rock with a particle size of 2 to 4 millimetres based on the Krumbein phi scale of sedimentology.
Gravel is a loose aggregation of rock fragments.
Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides.
Hottah is a rock outcrop on the surface of Aeolis Palus, between Peace Vallis and Aeolis Mons ("Mount Sharp"), in Gale crater on the planet Mars.
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.
Iron oxides are chemical compounds composed of iron and oxygen.
Jasper conglomerate, is an informal term for a very distinctive Paleoproterozoic quartz and jasper pebble conglomerate that occurs within the middle part of the Lorrain Formation of the Cobalt Group of the Huronian Supergroup.
The Jet Propulsion Laboratory (JPL) is a federally funded research and development center and NASA field center in Pasadena, California, United States, with large portions of the campus in La Cañada Flintridge, California.
Kata Tjuṯa, (Pitjantjatjara:, lit. 'many heads'), also known as the Olgas, is a group of large, domed rock formations or bornhardts located about 360 km southwest of Alice Springs, in the southern part of the Northern Territory, central Australia.
Kincardineshire, also known as the Mearns (from A' Mhaoirne meaning "the Stewartry"), is a historic county, registration county and lieutenancy area on the coast of northeast Scotland.
Lithification (from the Ancient Greek word lithos meaning 'rock' and the Latin-derived suffix -ific) is the process in which sediments compact under pressure, expel connate fluids, and gradually become solid rock.
A marine transgression is a geologic event during which sea level rises relative to the land and the shoreline moves toward higher ground, resulting in flooding.
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System after Mercury.
The matrix or groundmass of rock is the finer-grained mass of material wherein larger grains, crystals or clasts are embedded.
Maurice Edwin Tucker (born 6 November 1946) is a leading British sedimentologist, specialising in the field of carbonate sedimentology, more commonly known as limestones.
Metaconglomerate is a rock type which originated from conglomerate after undergoing metamorphism.
Metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change).
Montserrat is a multi-peaked mountain range near Barcelona, in Spain.
The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.
The North Sea (Mare Germanicum) is a marginal sea of the Atlantic Ocean located between Great Britain, Scandinavia, Germany, the Netherlands, Belgium, and France.
The Northern Territory (abbreviated as NT) is a federal Australian territory in the central and central northern regions of Australia.
An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth.
A pebble is a clast of rock with a particle size of 2 to 64 millimetres based on the Krumbein phi scale of sedimentology.
The Pennsylvanian Pottsville Formation is a mapped bedrock unit in Pennsylvania, western Maryland, West Virginia, and Ohio.
Puddingstone, also known as either pudding stone or plum-pudding stone, is a popular name applied to a conglomerate that consists of distinctly rounded pebbles whose colors contrast sharply with the color of the finer-grained, often sandy, matrix or cement surrounding them.
Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.
The San Luis Valley is a region in south-central Colorado with a small portion overlapping into New Mexico.
Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.
The Sangre de Cristo Range, called the East Range locally in the San Luis Valley, is a high, rugged and narrow mountain range of the Rocky Mountains in southern Colorado in the United States, running north and south along the east side of the Rio Grande Rift.
Santa Maria de Montserrat is a Benedictine abbey located on the mountain of Montserrat, in Monistrol de Montserrat, in Catalonia, Spain.
Scotland (Alba) is a country that is part of the United Kingdom and covers the northern third of the island of Great Britain.
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.
Sedimentary rocks are types of rock that are formed by the deposition and subsequent cementation of that material at the Earth's surface and within bodies of water.
Sedimentary structures are those structures formed during sediment deposition.
A shore or a shoreline is the fringe of land at the edge of a large body of water, such as an ocean, sea, or lake.
Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.
Silt is granular material of a size between sand and clay, whose mineral origin is quartz and feldspar.
Stonehaven is a town in Aberdeenshire, Scotland.
Closeup of glacial till. Note that the larger grains (pebbles and gravel) in the till are completely surrounded by the matrix of finer material (silt and sand), and this characteristic, known as ''matrix support'', is diagnostic of till. Glacial till with tufts of grass Till or glacial till is unsorted glacial sediment.
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.
An unconformity is a buried erosional or non-depositional surface separating two rock masses or strata of different ages, indicating that sediment deposition was not continuous.