Travertine is a terrestrial sedimentary rock Sedimentary rock is the type of rock that is formed by sedimentation of material at the Earth's surface and within bodies of water. Sedimentation is the collective name for processes that cause mineral and/or organic particles to settle and accumulate or minerals to precipitate from a solution. Particles that form a sedimentary rock by, formed by the precipitation Precipitation is the formation of a solid in a solution during a chemical reaction. When the reaction occurs, the solid formed is called the precipitate, and the liquid remaining above the solid is called the supernate. Powders derived from precipitation have also historically been known as flowers of carbonate minerals Carbonate minerals are those minerals containing the carbonate ion: CO32- from geothermally heated hot-springs A hot spring is a spring that is produced by the emergence of geothermally heated groundwater from the Earth's crust. There are hot springs all over the earth, on every continent and even under the oceans and seas. Similar (but more porous) deposits formed from ambient temperature water are known as tufa Tufa is a terrestrial sedimentary rock, formed by the precipitation of carbonate minerals from ambient temperature water bodies. Geothermally heated hot-springs sometimes produce similar carbonate deposits known as travertine. Tufa is sometimes refered to as (meteogene) travertine; care must be taken when searching through literature to prevent.
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