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Marble is a metamorphic rock consisting of carbonate minerals (most commonly calcite (CaCO 3) or dolomite (CaMg (CO 3) 2) that have recrystallized under the influence of heat and pressure. [1] It has a crystalline texture, and is typically not foliated (layered), although there are exceptions. In geology, the term marble refers to metamorphosed ...
Giuseppe Moretti 's Head of Christ, carved from Sylacauga marble. Sylacauga marble, also commonly known as Alabama marble, is a marble that is found in a belt running through Talladega County, Alabama. [1] It is prized for its pure white color and its crystalline structure. The stone is named after the town of Sylacauga, Alabama, which is ...
Quarried block of pink Tennessee marble. Tennessee marble is a type of crystalline limestone found only in East Tennessee, in the southeastern United States.Long esteemed by architects and builders for its pinkish-gray color and the ease with which it is polished, the stone has been used in the construction of numerous notable buildings and monuments throughout the United States and Canada ...
Stone industry. Stone industry refers to the part of the primary sector of the economy, similar to the mining industry, but concerned with excavations of stones, in particular granite, marble, slate and sandstone. Other products of the industry include crushed stone and dimension stone . Stone industry is one of the oldest in the world.
Science fair. A science fair or engineering fair is an event hosted by a school that offers students the opportunity to experience the practices of science and engineering for themselves. In the United States, the Next Generation Science Standards makes experiencing the practices of science and engineering one of the three pillars of science ...
Reconstruction of part of the Forma Urbis with cavea of theatrum Pompei shown. The Forma Urbis Romae or Severan Marble Plan is a massive marble map of ancient Rome, created under the emperor Septimius Severus between 203 and 211 CE. Matteo Cadario gives specific years of 205–208, noting that the map was based on property records.
Ashford Black Marble. Ashford Black Marble is the name given to a dark limestone, quarried from mines near Ashford-in-the-Water, in Derbyshire, England. Once cut, turned and polished, its shiny black surface is highly decorative. Ashford Black Marble is a very fine-grained sedimentary rock, and is not a true marble in the geological sense.
A surface coal mine in Britain before and during the reclamation process. Mine reclamation is the process of modifying land that has been mined to restore it to an ecologically functional or economically usable state. Although the process of mine reclamation occurs once mining is complete, the planning of mine reclamation activities may occur ...