How limestone is formed for kids?

Limestone is a type of rock that is made up of bits of animal shells. Over millions of years these shells collected on the ocean floor. As layers of shells and mud built up, the lower layers slowly hardened into limestone. Dover, England, is famous for its white cliffs made of chalk, a soft form of limestone.
A.

What is limestone made out of?

Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3). It often has variable amounts of silica in it, as well as varying amounts of clay, silt, and sand. Limestone rocks fall under the category of sedimentary rocks that are made from mineral calcite.
  • What is the difference between a lemon and a lime?

    Limes and lemons are from the same citrus fruit family, rich in vitamin C but different in color. Limes are green and smaller, whereas lemons are yellow and big in size. Despite the difference in flavor, color and size; limes and lemons have the same nutritional benefits and are low in calories.
  • Is lime dust bad for you?

    Lime, particularly quicklime, is an alkaline material that is reactive in the presence of moisture. Workers handling lime must be trained and wear proper protective equipment. Eye HazardsLime can cause severe eye irritation or burning, including permanent damage. Inhalation HazardsLime dust is irritating if inhaled.
  • Is a lime a lemon?

    If Limes are allowed to fully ripen on the tree, they actually turn from green to yellow. Because of this, some people believe (erroneously) that Limes are just unripe Lemons. Whereas, truth to tell, even the Lemons that we buy are unripe Lemons. Limes have more sugar and citric acid than do lemons.
B.

How carboniferous limestone is formed?

Carboniferous Limestone is a sedimentary rock made of calcium carbonate. It is generally light-grey in colour, and is hard. It was formed in warm, shallow tropical seas teeming with life. The rock is made up of the shells and hard parts of millions of sea creatures, some up to 30 cm in length, encased in carbonate mud.
  • Where is limestone found in the world?

    Today Earth has many limestone-forming environments. Most of them are found in shallow water areas between 30 degrees north latitude and 30 degrees south latitude. Limestone is forming in the Caribbean Sea, Indian Ocean, Persian Gulf, Gulf of Mexico, around Pacific Ocean islands, and within the Indonesian archipelago.
  • Is limestone permeable or impermeable?

    Limestone is an organic, sedimentary rock. Limestone is formed in layers - called bedding planes. These bedding planes contain vertical cracks called joints. Joints and bedding planes make the rock permeable.
  • What is sandstone made up of?

    Sandstone is a sedimentary rock composed of sand-size grains of mineral, rock, or organic material. It also contains a cementing material that binds the sand grains together and may contain a matrix of silt- or clay-size particles that occupy the spaces between the sand grains.
C.

How a limestone pavement is formed?

Formation of a limestone pavement. Limestone is slightly soluble in water and especially in acid rain, so corrosive drainage along joints and cracks in the limestone can produce slabs called clints isolated by deep fissures called grikes or grykes (terms derived from a northern English dialect).
  • What is a swallow hole geography?

    A sinkhole, also known as a cenote, sink, sink-hole,', swallet, swallow hole, or doline (the different terms for sinkholes are often used interchangeably), is a depression or hole in the ground caused by some form of collapse of the surface layer.
  • What is the difference between a Clint and a Grike?

    Pavements are made up of two separate but integral parts known as clints and grykes. Clints are the blocks of limestone that constitute the paving, their area and shape is directly dependant upon the frequency and pattern of grykes. Grykes are the fissures that isolate the individual clints.
  • What is the difference between clints and Grykes?

    Limestone pavement is made up of two separate but integral parts known as clints and grykes. Clints are the blocks of limestone that constitute the paving, their area and shape is directly dependent. upon the frequency and pattern of grykes. Grykes are the fissures or spaces that isolate the individual clints.

Updated: 17th October 2018

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