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  2. Sand - Wikipedia

    en.wikipedia.org/wiki/Sand

    Heavy minerals (dark) in a quartz beach sand (Chennai, India) Sand from Coral Pink Sand Dunes State Park, Utah. These are grains of quartz with a hematite coating providing the orange color. Sand from Pismo Beach, California. Components are primarily quartz, chert, igneous rock, and shell fragments. The exact definition of sand varies.

  3. Beach - Wikipedia

    en.wikipedia.org/wiki/Beach

    Beach nourishment is the importing and deposition of sand or other sediments in an effort to restore a beach that has been damaged by erosion. Beach nourishment often involves excavation of sediments from riverbeds or sand quarries. This excavated sediment may be substantially different in size and appearance to the naturally occurring beach sand.

  4. Beach evolution - Wikipedia

    en.wikipedia.org/wiki/Beach_evolution

    Beach evolution is a natural process occurring along shorelines where sea, lake or river water erodes the land. Beaches form as sand accumulates over centuries through recurrent processes that erode rocky and sedimentary material into sand deposits.

  5. Heavy mineral sands ore deposits - Wikipedia

    en.wikipedia.org/wiki/Heavy_mineral_sands_ore...

    Heavy minerals (dark) in a quartz beach sand (Chennai, India).Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare-earth elements, the industrial minerals diamond, sapphire, garnet, and occasionally precious metals or gemstones.

  6. Black sand - Wikipedia

    en.wikipedia.org/wiki/Black_sand

    Black sand on a beach in Southern Iceland Closeup of black sand from a beach in Maui, Hawaii Black sand beach in Waianapanapa Park, Hawaii Black sand and icebergs on a beach in Iceland. Black sand is sand that is black in color. One type of black sand is a heavy, glossy, partly magnetic mixture of usually fine sands containing minerals such as ...

  7. Sedimentary budget - Wikipedia

    en.wikipedia.org/wiki/Sedimentary_budget

    Diagram of accretion and erosion of sediments in a coastal system. Black arrows indicate accretion, and white arrows indicate erosion. Sedimentary budgets are a coastal management tool used to analyze and describe the different sediment inputs (sources) and outputs (sinks) on the coasts, which is used to predict morphological change in any particular coastline over time.

  8. Beach ridge - Wikipedia

    en.wikipedia.org/wiki/Beach_ridge

    Miocene beach ridges, San Diego County, California, 1905. Road built on crest of Glacial Lake Iroquois beach ridge, Orleans County, New York, 1889. A beach ridge is a wave-swept or wave-deposited ridge running parallel to a shoreline. It is commonly composed of sand as well as sediment worked from underlying beach

  9. Longshore drift - Wikipedia

    en.wikipedia.org/wiki/Longshore_drift

    Longshore drift from longshore current is a geological process that consists of the transportation of sediments (clay, silt, pebbles, sand, shingle, shells) along a coast parallel to the shoreline, which is dependent on the angle of incoming wave direction.