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  2. Paper marbling - Wikipedia

    en.wikipedia.org/wiki/Paper_marbling

    Endpaper from a book published in Scotland in 1842. Encyclopædia Britannica, 7th edition. Paper marbling is a method of aqueous surface design, which can produce patterns similar to smooth marble or other kinds of stone. [1]

  3. Industrial mineral - Wikipedia

    en.wikipedia.org/wiki/Industrial_mineral

    Industrial resources (minerals) are geological materials that are mined for their commercial value, which are not fuel (fuel minerals or mineral fuels) and are not sources of metals (metallic minerals) but are used in the industries based on their physical and/or chemical properties. [1]

  4. Spolia - Wikipedia

    en.wikipedia.org/wiki/Spolia

    Pragmatic readings emphasize the utility of re-used materials: if there is a good supply of old marble columns available, for example, there is no need to produce new ones. The two approaches are not mutually exclusive, and there is certainly no one approach that can account for all instances of spoliation, as each instance must be evaluated ...

  5. Petrology - Wikipedia

    en.wikipedia.org/wiki/Petrology

    Petrology (from Ancient Greek πέτρος (pétros) 'rock' and -λογία 'study of') is the branch of geology that studies rocks, their mineralogy, composition, texture, structure and the conditions under which they form. [1] Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology. [2]

  6. Marble - Wikipedia

    en.wikipedia.org/wiki/Marble

    For example, Tennessee marble is really a dense granular fossiliferous gray to pink to maroon Ordovician limestone, that geologists call the Holston Formation. Ashgabat , the capital city of Turkmenistan , was recorded in the 2013 Guinness Book of Records as having the world's highest concentration of white marble buildings.

  7. Mineral industry of Somalia - Wikipedia

    en.wikipedia.org/wiki/Mineral_industry_of_Somalia

    The company planned to start producing gemstones and marble in the Berbera area in mid-2006. [ 1 ] In June 2006, Range Resources Ltd. of Australia announced that its agreement with the governing authority of Puntland (which is located in northern Somalia) that gave the company a majority interest in the rights to all mineral and mineral fuel ...

  8. Oil shale - Wikipedia

    en.wikipedia.org/wiki/Oil_shale

    Oil shale is an organic-rich fine-grained sedimentary rock containing kerogen (a solid mixture of organic chemical compounds) from which liquid hydrocarbons can be produced. In addition to kerogen, general composition of oil shales constitutes inorganic substance and bitumens.

  9. Marquetry - Wikipedia

    en.wikipedia.org/wiki/Marquetry

    Marquetry elaborated upon Florentine techniques of inlaying solid marble slabs with designs formed of fitted marbles, jaspers and semi-precious stones. This work, called opere di commessi, has medieval parallels in Central Italian "Cosmati"-work of inlaid marble floors, altars and columns.