![]() Limestone is composed mostly of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate ( CaCO 3). This limestone deposit in the karst of Dinaric Alps near Sinj, Croatia was formed in the Eocene. Limestone formations contain about 30% of the world's petroleum reservoirs. 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 paints, as a soil conditioner, and as a popular decorative addition to rock gardens. Most cave systems are found in limestone bedrock. Limestone is exposed over large regions of the Earth's surface, and because limestone is slightly soluble in rainwater, these exposures often are eroded to become karst landscapes. Much dolomite is secondary dolomite, formed by chemical alteration of limestone. Most limestone was formed in shallow marine environments, such as continental shelves or platforms, though smaller amounts were formed in many other environments. Magnesian limestone is an obsolete and poorly-defined term used variously for dolomite, for limestone containing significant dolomite ( dolomitic limestone), or for any other limestone containing a significant percentage of magnesium. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, CaMg(CO 3) 2. Ībout 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone forms when these minerals precipitate out of water containing dissolved calcium. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of CaCO 3. Limestone ( calcium carbonate CaCO 3) is a type of carbonate sedimentary rock which is the main source of the material lime. Gelecek için umut vadeden bu proje sayesinde sebze ve meyve yetiştiriciliğinde yepyeni bir dönemin başlangıcı olabilir.Limestone outcrop in the Torcal de Antequera nature reserve of Málaga, SpainĬalcium carbonate: inorganic crystalline calcite or organic calcareous material Bu modüller güneş panellerine benziyor, ancak enerjisini güneş ışığının fotosentezde kullanılmayan kısmını kullanarak üretiyor. Tarımsal üretimde fosil yakıt kullanımını 2040 yılına kadar bitirmeyi hedefleyen İsviçre’de start-up olarak faaliyetlerini sürdüren Voltiris, özel solar modüller tasarladı. İhtiyaç duydukları optimum sıcaklığı sağlayabilmek için çok fazla enerji harcayan seraların, kendi enerjilerini üretebilmelerine imkan sunacak önemli bir inovasyon gerçekleştirildi. Thanks to this promising project for the future, it may be the beginning of a brand new era in vegetable and fruit cultivation. These modules look like solar panels but generate their energy by using the part of sunlight that is not used in photosynthesis. Now, a startup called Voltiris is developing solar modules that could make self-powered greenhouses a reality. The Swiss federation of fruit and vegetable growers has set an ambitious goal of eliminating all fossil-fuel-based energy from its farming processes by 2040. An important innovation has been made that will enable greenhouses that consume lots of energy for the optimum temperature they need to produce their own energy. ![]()
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