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Decoupage or découpage ( / ˌdeɪkuːˈpɑːʒ /; [ 1] French: [dekupaʒ]) is the art of decorating an object by gluing colored paper cutouts onto it in combination with special paint effects, gold leaf, and other decorative elements. Commonly, an object like a small box or an item of furniture is covered by cutouts from magazines or from ...
Fire & Ice – Example of a painting made with the technique decalcomania. Decalcomania (from French: décalcomanie) is a decorative technique by which engravings and prints may be transferred to pottery or other materials. A shortened version of the term is used for a mass-produced commodity art transfer or product label, known as a "decal".
Abrasion (geology) Abrasion is a process of weathering that occurs when material being transported wears away at a surface over time, commonly happens in ice and glaciers. The primary process of abrasion is physical weathering. Its the process of friction caused by scuffing, scratching, wearing down, marring, and rubbing away of materials.
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Rocks form the Earth's outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of ...
Bannerstone. Archaic period double-notched butterfly bannerstone from Ohio, ca. 2000 BC. Made of banded slate, a material frequently used in bannerstone manufacture. Bannerstones were used in North America for some 3,000 years beginning in the fourth millennium BC. [1] Bannerstone, Ferruginous quartz, 2nd millennium BC. Found in Illinois.
Roman concrete, like any concrete, consists of an aggregate and hydraulic mortar, a binder mixed with water that hardens over time. The composition of the aggregate varied, and included pieces of rock, ceramic tile, lime clasts, and brick rubble from the remains of previously demolished buildings. In Rome, readily available tuff was often used ...
Chert. Chert ( / tʃɜːrt /) is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, [ 1] the mineral form of silicon dioxide (SiO 2 ). [ 2] Chert is characteristically of biological origin, but may also occur inorganically as a chemical precipitate or a diagenetic replacement, as in petrified wood.
Limestone has numerous uses: as a chemical feedstock for the production of lime used for cement (an essential component of concrete), as aggregate for the base of roads, as white pigment or filler in products such as toothpaste or paint, as a soil conditioner, and as a popular decorative addition to rock gardens.