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Kharraqan Towers
The Kharraqan Towers (; ), also known as the Kharrakhan or Kharaghan Towers, are a pair of mausolea built in 1067 and 1093 CE, in the Kharraqan region, in Hesar-e Valiyeasr, near Qazvin, in the province of Qazvin, in northern Iran. They are notable for being an early example of a geometric ornament, an early example of double domes, and one of the earlier tomb towers that appeared in the Seljuk era of medieval Iran, during the 11th century. The octagonal brick structures stand tall, and each side is wide. The surface of both mausolea demonstrate extensive use of geometry. The interior walls of the older mausoleum are decorated with paintings of various subjects. The eastern tower dates from 1067–68, and the western tower dates from 1093. Descriptions Structure Both mausolea have double shells for the domes; the inner shells are intact, but the outer shells on both towers are lost. There is no direct access to light through the windows on the outer and inner shells of ...
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Iran
Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the northeast, Afghanistan to the east, Pakistan to the southeast, and the Gulf of Oman and the Persian Gulf to the south. With a Ethnicities in Iran, multi-ethnic population of over 92 million in an area of , Iran ranks 17th globally in both List of countries and dependencies by area, geographic size and List of countries and dependencies by population, population. It is the List of Asian countries by area, sixth-largest country entirely in Asia and one of the world's List of mountains in Iran, most mountainous countries. Officially an Islamic republic, Iran is divided into Regions of Iran, five regions with Provinces of Iran, 31 provinces. Tehran is the nation's Capital city, capital, List of cities in Iran by province, largest city and financial ...
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Islamic Calligraphy
Islamic calligraphy is the artistic practice of penmanship and calligraphy, in the languages which use Arabic alphabet or the Arabic script#Additional letters used in other languages, alphabets derived from it. It is a highly stylized and structured form of handwriting that follows artistic conventions and is often used for List of Islamic texts, Islamic religious texts, Islamic architecture, architecture, and Islamic decoration, decoration. It includes Arabic calligraphy, Arabic, Persian calligraphy, Persian, Ottoman Turkish alphabet, Ottoman, and Urdu script, Urdu calligraphy.Chapman, Caroline (2012). ''Encyclopedia of Islamic Art and Architecture'', It is known in Arabic language, Arabic as (), literally meaning "line", "design", or "construction". The development of Islamic calligraphy is strongly tied to the Qur'an, as chapters and verses from the Qur'an are a common and almost universal text upon which Islamic calligraphy is based. Although artistic depictions of people ...
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Mausoleums In Iran
A mausoleum is an external free-standing building constructed as a monument enclosing the burial chamber of a deceased person or people. A mausoleum without the person's remains is called a cenotaph. A mausoleum may be considered a type of tomb, or the tomb may be considered to be within the mausoleum. Overview The word ''mausoleum'' (from the ) derives from the Mausoleum at Halicarnassus (near modern-day Bodrum in Turkey), the grave of King Mausolus, the Persian satrap of Caria, whose large tomb was one of the Seven Wonders of the Ancient World. Mausolea were historically, and still may be, large and impressive constructions for a deceased leader or other person of importance. However, smaller mausolea soon became popular with the gentry and nobility in many countries. In the Roman Empire, these were often in necropoles or along roadsides: the via Appia Antica retains the ruins of many private mausolea for kilometres outside Rome. When Christianity became dominant, maus ...
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Domes In Iran
A dome () is an architectural element similar to the hollow upper half of a sphere. There is significant overlap with the term cupola, which may also refer to a dome or a structure on top of a dome. The precise definition of a dome has been a matter of controversy and there are a wide variety of forms and specialized terms to describe them. A dome can rest directly upon a Rotunda (architecture), rotunda wall, a Tholobate, drum, or a system of squinches or pendentives used to accommodate the transition in shape from a rectangular or square space to the round or polygonal base of the dome. The dome's apex may be closed or may be open in the form of an Oculus (architecture), oculus, which may itself be covered with a roof lantern and cupola. Domes have a long architectural lineage that extends back into prehistory. Domes were built in ancient Mesopotamia, and they have been found in Persian architecture, Persian, Ancient Greek architecture, Hellenistic, Ancient Roman architecture, ...
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Buildings And Structures In Qazvin Province
A building or edifice is an enclosed structure with a roof, walls and windows, usually standing permanently in one place, such as a house or factory. Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for numerous factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, prestige, and aesthetic reasons. To better understand the concept, see ''Nonbuilding structure'' for contrast. Buildings serve several societal needs – occupancy, primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical separation of the human habitat (a place of comfort and safety) from the ''outside'' (a place that may be harsh and harmful at times). buildings have been objects or canvasses of much artistic expression. In recent years, interest in sustainable planning and building practi ...
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Buildings And Structures Completed In 1067
A building or edifice is an enclosed Structure#Load-bearing, structure with a roof, walls and window, windows, usually standing permanently in one place, such as a house or factory. Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for numerous factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, monument, prestige, and aesthetic reasons. To better understand the concept, see ''Nonbuilding structure'' for contrast. Buildings serve several societal needs – occupancy, primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical separation of the :Human habitats, human habitat (a place of comfort and safety) from the ''outside'' (a place that may be harsh and harmful at times). buildings have been objects or canvasses of much architecture, artistic expression. ...
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11th Century In Iran
In music theory, an eleventh is a Interval (music)#Simple and compound, compound interval consisting of an octave plus a Perfect fourth, fourth. A perfect eleventh spans 17 and the augmented eleventh 18 semitones, or 10 steps in a diatonic scale. Since there are only seven scale degree, degrees in a diatonic scale, the eleventh degree is the same as the subdominant (IV). The eleventh is considered highly Consonance and dissonance, dissonant with the major third. An eleventh chord is the stacking of five List of third intervals, thirds in the span of an eleventh. In common practice period, common practice tonality, it usually had subdominant Function (music), function as minor eleventh chord on the second degree (supertonic) of the major scale. See also *Eleventh chord *Extended chord References

Chord factors Fourths (music) Compound intervals {{music-theory-stub ...
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History Of Persian Domes
Persian domes or Iranian domes have an ancient origin and a history extending to the modern era. The use of domes in ancient Mesopotamia was carried forward through a succession of empires in the Greater Iran region. An ancient tradition of royal audience tents representing the heavens was translated into monumental stone and brick domes due to the invention of the squinch, a reliable method of supporting the circular base of a heavy dome upon the walls of a square chamber. Domes were built as part of royal palaces, castles, caravansaries, and temples, among other structures. With the Muslim conquest of Persia, introduction of Islam in the 7th century, mosque and mausoleum architecture also adopted and developed these forms. Structural innovations included pointed domes, drums, conical roofs, double and triple shells, and the use of muqarnas and bulbous forms. Decorative brick patterning, interlaced ribs, painted plaster, and colorful tiled mosaics were used to decorate the exteri ...
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Islam In Iran
The Arab conquest of Iran, which culminated in the fall of the Sasanian Empire to the nascent Rashidun Caliphate, brought about a monumental change in Iranian society by purging Zoroastrianism, which had been the Iranian nation's official and majority religion since the time of the Achaemenid Empire. Since the Rashidun invasion, Islam (in any form) has consistently held the status of Iran's official religion except for during a short period in the 13th century, when the Mongol invasions and conquests destroyed the Abbasid Caliphate and smaller Islamic realms before resulting in the establishment of the Ilkhanate. The process by which Iranian society became integrated into the Muslim world took place over many centuries, with nobility and city-dwellers being among the first to convert, in spite of notable periods of resistance, while the peasantry and the '' dehqans'' (land-owning magnates) took longer to do so. Around the 10th century, most Persians had become Muslims. Betwee ...
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Iranian Architecture
Iranian architecture or Persian architecture (, ''Me'māri e Irāni'') is the architecture of Iran and parts of the rest of West Asia, the Caucasus and Central Asia. Its history dates back to at least 5,000 BC with characteristic examples distributed over a vast area from Turkey and Iraq to Uzbekistan and Tajikistan. Persian buildings vary greatly in scale and function, from vernacular architecture to monumental complexes. In addition to historic gates, palaces, and mosques, the rapid growth of cities such as the capital Tehran has brought about a wave of demolition and new construction. According to American historian and archaeologist Arthur Upham Pope, Arthur Pope, the supreme Iranian art, in the proper meaning of the word, has always been its architecture. The supremacy of architecture applies to both pre- and post-Islamic periods. Iranian architecture displays great variety, both structural and aesthetic, from a variety of traditions and experience. Without sudden innovatio ...
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Geophysical Journal International
''Geophysical Journal International'' (GJI) is a monthly Peer review, peer-reviewed scientific journal in the field of geophysics. It is published by Oxford University Press on behalf of two learned societies: the Royal Astronomical Society (RAS) and the Deutsche Geophysikalische Gesellschaft (German Geophysical Society, DGG), who select and peer-review the contents. GJI was formed in 1988 by the merger of three earlier geophysics journals, the oldest of which was established in 1922. The editor-in-chief is Joerg Renner (Ruhr University Bochum). The journal publishes original research papers, research notes, letters, and book reviews. Its topical scope includes research on all aspects of theoretical, computational, applied and observational geophysics. History GJI was formed by a complex series of mergers between previous geophysical journals. Its origins can be traced to 1919, when the RAS absorbed the Geophysical Committee (which had previously been part of the British Assoc ...
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