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A ventifact (also wind-faceted stone, windkanter [1]) is a rock that has been abraded, pitted, etched, grooved, or polished by wind-driven sand or ice crystals. [2] The word “Ventifact” is derived from the Latin word “Ventus” meaning ‘ wind ’.
Natural stone is used as architectural stone (construction, flooring, cladding, counter tops, curbing, etc.) and as raw block and monument stone for the funerary trade. Natural stone is also used in custom stone engraving. The engraved stone can be either decorative or functional. Natural memorial stones are used as natural burial markers.
Garden furniture materials are designed for durability and weather resistance. Common options include wood like teak and cedar, known for their natural strength and aesthetics. Metal, such as aluminum and wrought iron, offers sturdiness and style, while plastic and synthetic rattan are lightweight, low-maintenance, and resistant to the elements.
A yardang near Meadow, Texas) (USDA photo Yardangs in the Qaidam Desert, Qinghai Province, China.. A yardang is a streamlined protuberance carved from bedrock or any consolidated or semiconsolidated material by the dual action of wind abrasion by dust and sand and deflation (the removal of loose material by wind turbulence). [1]
The material that binds flagstone is usually composed of silica, calcite, or iron oxide. The rock color usually comes from these cementing materials. Typical flagstone colors are red, blue, and buff, though exotic colors exist. Flagstone is quarried in places with bedded sedimentary rocks with fissile bedding planes. Flagstones of various sizes.
Root throw is the process that occurs when a tree topples, raising its rootwad and the rock fragments in it. Fine sediment falls back into the rootwad pit or travels downstream, but coarse sediments form a local rock veneer around the rootwad. This local rock veneer is larger than the pit of the rootwad, as falling clasts extend the area of veneer.
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