Building Stones In iran
Iran has very high potential for production and export of dimension stone (rock quarried to size and shape specifications). Iran’s share in global market’s stones is small. Construction, decorative, and facing stones of Iran are among the highest-quality products in the world. In terms of variety of colors, texture, quality, and economic value, some of these reserves are unique and can be extracted and exported, creating jobs and income for the country.
South Khorasan is located at southeast of Iran and its center is Birjand city. This province forms part of the international borderline between Iran and Afghanistan. it is considered as one of the economic gates to Afghanistan market. South Khorasan province was established by the directive of the government after dividing the Great Khorasan province into three provinces on year 2004. It’s the third largest province in Iran. It’s the second desert province of Iran and is also considered to be one of the biggest centers of producing saffron, barberry, jujube, cotton and pomegranate. South Khorasan province has a higher potential compared to other provinces in terms of mineral resources.
History of Construction Stones in Iran
Extracting and using building stones in Iran, has a long history. Using these stones as building stones or dimension stones was ordinary in the first millennium of formation of civilization in Iran. The remaining vestiges of using them in Persepolis, Pasargadae, Takht-e Soleymān and many other Islamic and Sasanian buildings is distributed all over the country. Many decorative objects made out of Marble and Onyx used as dishes and jewelry are now exhibited in museums of Iran and other countries. Discoveries also show that, these rocks were used as interior decoration in buildings. Discovery, extraction, transportation, cutting, polishing and using dimension stones which were performed in traditional ways, has been transformed profoundly in recent decades. The most important part of this transformation is using modern methods in production and use of these resources. Using Non-explosive extraction methods and deploying hard-cutting machines are the most important changes in Iran’s rock industry, which have taken place in the recent decade and have expanded production and consumption of dimension stones.
Mines of stone in Iran
There are totally 15 billion tons of dimension stone resources in the world, which includes, Granite, Marble, Onyx and Travertine. There are 4.7 Million tons of resources in Iran, which makes it the fourth country in the world, but considering color variety and quality, Iran is ranked first in the world. In respect to the importance of mining section to the country’s economic growth, it is highly recommended to give more attention to this section.
South Khorasan Resources
South Khorasan has a mixture of different kinds of Igneous rocks, Sedimentary rocks and Metamorphic rocks related to different eras of geology. This variety causes the formation of noticeable amount of economical minerals (metallic, non-metallic and building stones) in different parts of the province. In addition developmental and mining exploitation activities over the past years lead to detecting and introducing of many cases of resources like iron and copper which is promising to new investment fortunes in mining and industry section of the province. The most important minerals in the province are in the first place Coal, Magnesite, and Fireclay and then Bentonite and Granite. With the name of Birjand granite, green granite stones are found in the mind. These granites have very eye-catching colors from the full range of green to turquoise. The high abrasion capability and low water absorption make this stone one of the most popular material in exterior and interior usage. Of course the green Granite, Chromite, Iron rock, Marble and Prismatic Bazalt for being important are exported to other countries such as China, Iraq, Turkey, Armenia, Europe, and Arab countries around the Persian Gulf.
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