How stones are being made if they are from nature then why it doesn't gets over???
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Rock or stone is a natural substance, a solid aggregate of one or more minerals or mineraloids. For example, granite, a common rock, is a combination of the minerals quartz, feldspar and biotite. The Earth's outer solid layer, the lithosphere, is made of rock.
Rock has been used by humankind throughout history. The minerals and metals in rocks have been essential to human civilization.[1]
Three major groups of rocks are defined: igneous, sedimentary, and metamorphic. The scientific study of rocks is called petrology, which is an essential component of geology.
Classification
See also: Formation of rocks
Rock outcrop along a mountain creek near Orosí, Costa Rica.
Rocks are composed of grains of minerals, which are homogeneous solids formed from a chemical compound arranged in an orderly manner. The aggregate minerals forming the rock are held together by chemical bonds. The types and abundance of minerals in a rock are determined by the manner in which it was formed.
Many rocks contain silica (SiO2); a compound of silicon and oxygen that forms 74.3% of the Earth's crust. This material forms crystals with other compounds in the rock. The proportion of silica in rocks and minerals is a major factor in determining their names and properties.[2]
Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size. These physical properties are the result of the processes that formed the rocks.[3] Over the course of time, rocks can transform from one type into another, as described by a geological model called the rock cycle. This transformation produces three general classes of rock: igneous, sedimentary, and metamorphic.
Those three classes are subdivided into many groups. There are, however, no hard-and-fast boundaries between allied rocks. By increase or decrease in the proportions of their minerals, they pass through gradations from one to the other; the distinctive structures of one kind of rock may thus be traced gradually merging into those of another. Hence the definitions adopted in rock names simply correspond to selected points in a continuously graduated series.
Rock has been used by humankind throughout history. The minerals and metals in rocks have been essential to human civilization.[1]
Three major groups of rocks are defined: igneous, sedimentary, and metamorphic. The scientific study of rocks is called petrology, which is an essential component of geology.
Classification
See also: Formation of rocks
Rock outcrop along a mountain creek near Orosí, Costa Rica.
Rocks are composed of grains of minerals, which are homogeneous solids formed from a chemical compound arranged in an orderly manner. The aggregate minerals forming the rock are held together by chemical bonds. The types and abundance of minerals in a rock are determined by the manner in which it was formed.
Many rocks contain silica (SiO2); a compound of silicon and oxygen that forms 74.3% of the Earth's crust. This material forms crystals with other compounds in the rock. The proportion of silica in rocks and minerals is a major factor in determining their names and properties.[2]
Rocks are classified according to characteristics such as mineral and chemical composition, permeability, texture of the constituent particles, and particle size. These physical properties are the result of the processes that formed the rocks.[3] Over the course of time, rocks can transform from one type into another, as described by a geological model called the rock cycle. This transformation produces three general classes of rock: igneous, sedimentary, and metamorphic.
Those three classes are subdivided into many groups. There are, however, no hard-and-fast boundaries between allied rocks. By increase or decrease in the proportions of their minerals, they pass through gradations from one to the other; the distinctive structures of one kind of rock may thus be traced gradually merging into those of another. Hence the definitions adopted in rock names simply correspond to selected points in a continuously graduated series.
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hmmm... first of all its a good question..
next .that how stones ,rock,hills,mountains...
formed ... not made ....
#now : stones ... all of them are made with some or many ... substances... yaaa ..
Stone is a natural solid formation of one or more minerals formed over millions of years through pressure. The minerals in stone came from the same liquid and gas minerals that formed the Earth. The Earth developed as a massive body of gas and liquid minerals that slowly cooled and condensed to a solid core. Through pressure, the Earth’s crust began to form and heavy minerals were forced down to the core of the Earth where they were trapped. As the crust got thicker, it squeezed around the inner core which created intense pressure and heat from within the Earth. Crystals and other solid forms began to grow from the mineral vapors that were being released. As the Earth’s crust began to expand and erode, heat and pressure pushed the solid minerals up to the Earth’s surface which formed colossal rock beds, which we refer to as “quarries.” The process to make these massive rock deposits took over one-hundred million years. Quarries are found all around the world, with the majority located in: Italy, Spain, Turkey, United States, Mexico, China, Taiwan, India, Greece, Canada, France, and Brazil.
There are over a thousand types of stone that have been quarried thoughout the centuries. The familiar natural stone types that are used today are identified through three categories: Sedimentary, Metamorphic, and Igneous.
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hope u understood....
please subscribe my channel.........
https://www.youtube.com/channel/UCGN5kO07m79bn1Sqwdo3qwA
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next .that how stones ,rock,hills,mountains...
formed ... not made ....
#now : stones ... all of them are made with some or many ... substances... yaaa ..
Stone is a natural solid formation of one or more minerals formed over millions of years through pressure. The minerals in stone came from the same liquid and gas minerals that formed the Earth. The Earth developed as a massive body of gas and liquid minerals that slowly cooled and condensed to a solid core. Through pressure, the Earth’s crust began to form and heavy minerals were forced down to the core of the Earth where they were trapped. As the crust got thicker, it squeezed around the inner core which created intense pressure and heat from within the Earth. Crystals and other solid forms began to grow from the mineral vapors that were being released. As the Earth’s crust began to expand and erode, heat and pressure pushed the solid minerals up to the Earth’s surface which formed colossal rock beds, which we refer to as “quarries.” The process to make these massive rock deposits took over one-hundred million years. Quarries are found all around the world, with the majority located in: Italy, Spain, Turkey, United States, Mexico, China, Taiwan, India, Greece, Canada, France, and Brazil.
There are over a thousand types of stone that have been quarried thoughout the centuries. The familiar natural stone types that are used today are identified through three categories: Sedimentary, Metamorphic, and Igneous.
.................!
hope u understood....
please subscribe my channel.........
https://www.youtube.com/channel/UCGN5kO07m79bn1Sqwdo3qwA
.......#
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