Metamorphic rocks are used for roofing material, decorative gardening stone, the base for snooker tables, building material, sculpture material and paving material. Metamorphic rocks come in three different types: slate, marble and schist.
Slate starts out as shale under the surface of the Earth before its metamorphosis. It is typically gray in color and splits along long flat planes. It is also does not allow water or other liquids to pass through it. Slate is most often used as a roofing material, decorative gardening stone and a base for snooker tables. In the Victorian era, it was commonly used as a writing board.
Marble is another one of the metamorphic rocks and is a metamorphosed limestone. It has a hard crystalline rock appearance and was the stone of choice in ancient Greece. In fact, more than 22,000 tonnes of marble were used to build the ancient Greek Parthenon and marble remains a popular building and sculpture material today. It can also be ground down to make cleaning products or soaps.
Schist is another metamorphic rock that is formed from either mud or shale. However, it is formed at a much higher temperature than slate is. Schist is a fairly weak rock so it does not make for a good building material. It is used for paving and occasionally sculpture.Learn More
Calcium is very abundant throughout the Earth's crust and can be mined anywhere. Calcium can be obtained from many minerals but is most commonly taken out of limestone, marble, dolomite, gypsum, anhydrite or aragonite.Full Answer >
Terrigenous sediments are marine sediments typically formed by the weathering and erosion of igneous and metamorphic rocks. Rivers are a major factor in the transportation of these sediments.Full Answer >
Soil is made up of liquids, solids and gases that form on the surface of land, while sand is a natural material that consists of at least 85 percent sand-sized particles. Soil consists mostly of organic matter, such as decomposing animals and plants and minerals. The most common sand found throughout the world is made up of quartz, or silicon dioxide.Full Answer >
In geology, uplift refers to a considerable vertical movement of the Earth's crust and is one of the primary factors in the formation of mountains and other prominent landscape features. Some of the more spectacular examples of uplifts in the Earth's crust are the results of tectonic plate interactions that are involved in the process called orogenesis. Major mountain ranges, such as the Alps, were produced by the orogenic uplift resulting from a collision of one continental plate with another.Full Answer >