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Geological Survey And Mineral Exploration Of Iran
The Geological Survey and Mineral Exploration of Iran or in brief GSI is a government agency responsible for conducting geological and mineral surveys throughout the country, collecting the results of activities carried out in this field, establishing coordination, preparing and publishing geological maps of Iran. It is a subdivision of the Ministry of Industry, Mine and Trade, which was established in 1962 in cooperation with United Nations. History Nasrollah Khadem, Graduate of Mining engineering in Mines ParisTech, founded the Geological Survey and Mineral Exploration of Iran (GSI) in 1962 and was the head of this organization until 1974. Of course, the idea forming this organization dates back to 1959, and therefore, with the efforts of the Ministry of Industries and Mines, the law establishing of GSI was approved by National Consultative Assembly and Senate of Iran on August 20, 1959, and Geological Survey and Mineral Exploration of Iran (GSI) officially started its work ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Government Agency
A government or state agency, sometimes an appointed commission, is a permanent or semi-permanent organization in the machinery of government that is responsible for the oversight and administration of specific functions, such as an administration. There is a notable variety of agency types. Although usage differs, a government agency is normally distinct both from a department or ministry, and other types of public body established by government. The functions of an agency are normally executive in character since different types of organizations (''such as commissions'') are most often constituted in an advisory role—this distinction is often blurred in practice however, it is not allowed. A government agency may be established by either a national government or a state government within a federal system. Agencies can be established by legislation or by executive powers. The autonomy, independence, and accountability of government agencies also vary widely. History Early e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of Tehran
The University of Tehran (Tehran University or UT, fa, دانشگاه تهران) is the most prominent university located in Tehran, Iran. Based on its historical, socio-cultural, and political pedigree, as well as its research and teaching profile, UT has been nicknamed "The Mother University f Iran ( fa, دانشگاه مادر). In international rankings, UT has been ranked as one of the best universities in the Middle East and is among the top universities of the world. It is also the premier knowledge producing institute among all OIC countries. Tehran University of Medical Sciences is in the 7th ranking of the Islamic World University Ranking in 2021. The university offers more than 111 bachelor's degree programs, 177 master's degree programs, and 156 PhD. programs. Many of the departments were absorbed into the University of Tehran from the Dar al-Funun established in 1851 and the Tehran School of Political Sciences established in 1899. The main campus of the univers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the Roman Republic it became the dominant language in the Italian region and subsequently throughout the Roman Empire. Even after the fall of Western Rome, Latin remained the common language of international communication, science, scholarship and academia in Europe until well into the 18th century, when other regional vernaculars (including its own descendants, the Romance languages) supplanted it in common academic and political usage, and it eventually became a dead language in the modern linguistic definition. Latin is a highly inflected language, with three distinct genders (masculine, feminine, and neuter), six or seven noun cases (nominative, accusative, genitive, dative, ablative, and vocative), five declensions, four ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persian Language
Persian (), also known by its endonym and exonym, endonym Farsi (, ', ), is a Western Iranian languages, Western Iranian language belonging to the Iranian languages, Iranian branch of the Indo-Iranian languages, Indo-Iranian subdivision of the Indo-European languages. Persian is a pluricentric language predominantly spoken and used officially within Iran, Afghanistan, and Tajikistan in three mutual intelligibility, mutually intelligible standard language, standard varieties, namely Iranian Persian (officially known as ''Persian''), Dari, Dari Persian (officially known as ''Dari'' since 1964) and Tajik language, Tajiki Persian (officially known as ''Tajik'' since 1999).Siddikzoda, S. "Tajik Language: Farsi or not Farsi?" in ''Media Insight Central Asia #27'', August 2002. It is also spoken natively in the Tajik variety by a significant population within Uzbekistan, as well as within other regions with a Persianate society, Persianate history in the cultural sphere of Greater Ira ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cambrian
The Cambrian Period ( ; sometimes symbolized Ꞓ) was the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran Period 538.8 million years ago (mya) to the beginning of the Ordovician Period mya. Its subdivisions, and its base, are somewhat in flux. The period was established as "Cambrian series" by Adam Sedgwick, who named it after Cambria, the Latin name for 'Cymru' (Wales), where Britain's Cambrian rocks are best exposed. Sedgwick identified the layer as part of his task, along with Roderick Murchison, to subdivide the large "Transition Series", although the two geologists disagreed for a while on the appropriate categorization. The Cambrian is unique in its unusually high proportion of sedimentary deposits, sites of exceptional preservation where "soft" parts of organisms are preserved as well as their more resistant shells. As a result, our understanding of the Cambria ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood and DNA remnants. The totality of fossils is known as the ''fossil record''. Paleontology is the study of fossils: their age, method of formation, and evolutionary significance. Specimens are usually considered to be fossils if they are over 10,000 years old. The oldest fossils are around 3.48 billion years old to 4.1 billion years old. Early edition, published online before print. The observation in the 19th century that certain fossils were associated with certain rock strata led to the recognition of a geological timescale and the relative ages of different fossils. The development of radiometric dating techniques in the early 20th century allowed scientists to quantitatively measure the abs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ahwaz
Ahvaz ( fa, اهواز, Ahvâz ) is a city in the southwest of Iran and the capital of Khuzestan province. Ahvaz's population is about 1,300,000 and its built-up area with the nearby town of Sheybani is home to 1,136,989 inhabitants. It is home to Persians, Arabs, Bakhtiaris, Dezfulis, Shushtaris, and others. Languages spoken in the area include Persian and Arabic, as well as dialects of Luri ( Bakhtiari), Dezfuli, Shushtari, and others. One of the 2 navigable rivers of Iran alongside the Arvand Rud (Shatt al-Arab), the Karun, passes through the middle of the city. Ahvaz has a long history, dating back to the Achaemenid period. In ancient times, the city was one of the main centers of the Academy of Gondishapur. Etymology The word Ahvaz is a Persianized form of the Arabic "Ahwaz," which, in turn, is derived from an older Persian word. The Dehkhoda Dictionary specifically defines the "Suq-al-Ahvaz" as "Market of the Khuzis", where "Suq" is the Elamite word for market, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shiraz
Shiraz (; fa, شیراز, Širâz ) is the fifth-most-populous city of Iran and the capital of Fars Province, which has been historically known as Pars () and Persis. As of the 2016 national census, the population of the city was 1,565,572 people, and its built-up area with Sadra was home to almost 1,800,000 inhabitants. A census in 2021 showed an increase in the city's population to 1,995,500 people. Shiraz is located in southwestern Iran on the () seasonal river. Founded in the early Islamic period, the city has a moderate climate and has been a regional trade center for over a thousand years. The earliest reference to the city, as ''Tiraziš'', is on Elamite clay tablets dated to 2000 BCE. The modern city was restored or founded by the Arab Umayyad Caliphate in 693 CE and grew prominent under the successive Iranian Saffarid and Buyid dynasties in the 9th and 10th–11th centuries, respectively. In the 13th century, Shiraz became a leading center of the arts and le ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kerman
Kerman ( fa, كرمان, Kermân ; also romanized as Kermun and Karmana), known in ancient times as the satrapy of Carmania, is the capital city of Kerman Province, Iran. At the 2011 census, its population was 821,394, in 221,389 households, making it the 10th most populous city of Iran. It is the largest and most developed city in Kerman Province and one of the most important cities in the southeast of Iran. It is also one of the largest cities of Iran in terms of area. Kerman is famous for its long history and strong cultural heritage. The city is home to many historic mosques and Zoroastrian fire temples. Kerman became the capital city of Iranian dynasties several times during its history. It is located on a large, flat plain, 800 km (500 mi) south-east of Tehran, the capital of Iran. History Kerman was founded as a defensive outpost, with the name Veh-Ardashir, by Ardashir I, founder of the Sasanian Empire, in the 3rd century AD. After the Battle of Nahāv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tabriz
Tabriz ( fa, تبریز ; ) is a city in northwestern Iran, serving as the capital of East Azerbaijan Province. It is the sixth-most-populous city in Iran. In the Quru River valley in Iran's historic Azerbaijan region between long ridges of volcanic cones in the Sahand and Eynali mountains, Tabriz's elevation ranges between above sea level. The valley opens up into a plain that gently slopes down to the eastern shores of Lake Urmia, to the west. With cold winters and temperate summers, Tabriz is considered a summer resort. It was named World Carpet Weaving City by the World Crafts Council in October 2015 and Exemplary Tourist City of 2018 by the Organisation of Islamic Cooperation. With a population of over 1.7 million (2016), Tabriz is the largest economic hub and metropolitan area in northwest Iran. The population is bilingual, speaking Azerbaijani and Persian. Tabriz is a major heavy industries hub for automobiles, machine tools, refineries, petrochemicals, textiles an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mashhad
Mashhad ( fa, مشهد, Mašhad ), also spelled Mashad, is the second-most-populous city in Iran, located in the relatively remote north-east of the country about from Tehran. It serves as the capital of Razavi Khorasan Province and has a population of 3,001,184 (2016 census), which includes the areas of Mashhad Taman and Torqabeh. The city has been governed by different ethnic groups over the course of its history. Mashhad was once a major oasis along the ancient Silk Road connecting with Merv to the east. It enjoyed relative prosperity in the Mongol period. The city is named after the shrine of Imam Reza, the eighth Shia Imam, who was buried in a village in Khorasan which afterward gained the name, meaning the "place of martyrdom". Every year, millions of pilgrims visit the Imam Reza shrine. The Abbasid caliph Harun al-Rashid is also buried within the same shrine. Mashhad is also known colloquially as the city of Ferdowsi, after the Iranian poet who composed the ''S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Gas
Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbon dioxide, nitrogen, hydrogen sulfide, and helium are also usually present. Natural gas is colorless and odorless, so odorizers such as mercaptan (which smells like sulfur or rotten eggs) are commonly added to natural gas supplies for safety so that leaks can be readily detected. Natural gas is a fossil fuel and non-renewable resource that is formed when layers of organic matter (primarily marine microorganisms) decompose under anaerobic conditions and are subjected to intense heat and pressure underground over millions of years. The energy that the decayed organisms originally obtained from the sun via photosynthesis is stored as chemical energy within the molecules of methane and other hydrocarbons. Natural gas can be burned for he ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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