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List Of Volcanoes In Georgia (country) ...
This is a list of active and extinct volcanoes in Georgia. References {{Georgia (country) topics Georgia (country) Volcanoes A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates slide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georgia (country)
Georgia (, ; ) is a transcontinental country at the intersection of Eastern Europe and Western Asia. It is part of the Caucasus region, bounded by the Black Sea to the west, by Russia to the north and northeast, by Turkey to the southwest, by Armenia to the south, and by Azerbaijan to the southeast. The country covers an area of , and has a population of 3.7 million people. Tbilisi is its capital as well as its largest city, home to roughly a third of the Georgian population. During the classical era, several independent kingdoms became established in what is now Georgia, such as Colchis and Iberia. In the early 4th century, ethnic Georgians officially adopted Christianity, which contributed to the spiritual and political unification of the early Georgian states. In the Middle Ages, the unified Kingdom of Georgia emerged and reached its Golden Age during the reign of King David IV and Queen Tamar in the 12th and early 13th centuries. Thereafter, the kingdom decl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Geographic Coordinates
The geographic coordinate system (GCS) is a spherical or ellipsoidal coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude. It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others. Although latitude and longitude form a coordinate tuple like a cartesian coordinate system, the geographic coordinate system is not cartesian because the measurements are angles and are not on a planar surface. A full GCS specification, such as those listed in the EPSG and ISO 19111 standards, also includes a choice of geodetic datum (including an Earth ellipsoid), as different datums will yield different latitude and longitude values for the same location. History The invention of a geographic coordinate system is generally credited to Eratosthenes of Cyrene, who composed his now-lost ''Geography'' at the Library of Alexandria in the 3rd century ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dzau (volcano)
Dzau is a volcanic centre in Georgia (country), Russian-occupied de facto South Ossetia. It is also known as Java volcanic centre. The field is close to the town of Dzau, in the Greater Liakhvi River valley. The Caucasus has been affected by volcanic activity during the Late Cenozoic in three areas. One of these is the Kazbek area with the Kazbek, Keli Highland and Dzau systems which were active during the Quaternary. It contains three volcanoes, Tsru () also known as Chvriva at altitude, Sazeleti () at altitude and Bordzhnis or Borgnisi () at altitude. Sazeleti is a lava cone, the other two volcanoes are fissure vents. Remnants of lava flows have also been found. The volcanic field has erupted principally andesite. Minerals found in the rocks include amphibole, clinopyroxene, orthopyroxene and plagioclase Plagioclase is a series of tectosilicate (framework silicate) minerals within the feldspar group. Rather than referring to a particular mineral with a specific chemi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kabargin Oth Group
Kabargin Oth Group is a group of volcanoes located in Georgia (South Ossetia). It consists of a dozen cinder cones and lava domes and is located near the border with Russia, southwest of Mount Kazbek volcano. See also * List of volcanoes in Georgia (country) This is a list of active and extinct volcanoes in Georgia. References {{Georgia (country) topics Georgia (country) Volcanoes A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volc ... References Mountains of Georgia (country) Volcanoes of Georgia (country) Mountains of South Ossetia {{SouthOssetia-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holocene
The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene together form the Quaternary period. The Holocene has been identified with the current warm period, known as MIS 1. It is considered by some to be an interglacial period within the Pleistocene Epoch, called the Flandrian interglacial.Oxford University Press – Why Geography Matters: More Than Ever (book) – "Holocene Humanity" section https://books.google.com/books?id=7P0_sWIcBNsC The Holocene corresponds with the rapid proliferation, growth and impacts of the human species worldwide, including all of its written history, technological revolutions, development of major civilizations, and overall significant transition towards urban living in the present. The human impact on modern-era Earth and its ecosystems may be considered of global si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Kazbek
Mount Kazbek or Mount Kazbegi is a dormant stratovolcano and one of the major mountains of the Caucasus, located on the Russian-Georgian border - in Russia's North Ossetia region and Georgia's Kazbegi District. At 5,034 m (16,515 ft) high, it is one of the highest peaks in Russia and the third-highest peak in Georgia (after Mount Shkhara and Janga). Kazbegi is also the second-highest volcanic summit in the Caucasus, after Mount Elbrus. The summit lies directly to the west of the town of Stepantsminda and is the most prominent geographic feature of the area. The name Kazbeg is disputed; some claims are it is named after a Circassian nobleman who lived on it, other claims are it is named after local nobleman Dimitri Chopikashvili (grand father of the Georgian writer Aleksandre Kazbegi) got the title of "Kazgeb" from Georgian king Erekle II. The word "Kazbek" means a "nobleman" in Kabardian language. The title appeared under Georgian king Rostom in the 17th century. The name of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keli Highland
The Keli (Qeli) Highland ( ka, ყელის ზეგანი, ''qelis zegani'') is a volcanic field in Georgia on the western side of the Jvari Pass south to the Greater Caucasus range. More than thirty volcanic edifices on an area of 20x30km2 make up this volcanic field, which consists mostly of monogenetic volcanic structures. The lavas are rhyolites, trachyandesites and andesites. The rivers Tetri Aragvi, Patara Liakhvi, Ksani and Didi Liakhvi originate from the Keli volcanic area, and some peaks drain into the Terek river. Several mountain ranges separate the area into distinct high plains. Quaternary Dacite lava flows overlie thich Mesozoic sedimentary sequences. Western Khorisar (elevation 3736 m) and Didi-Nepiskalo (3694 m) are the highest summits close to the crest of the Greater Caucasus. In the northeastern part of the system are the Nepiskalo volcanoes and several smaller structures. The Patara-Nepiskalo volcano is strongly degraded by glacial action and may ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Samsari
Mount Samsari ( ka, სამსარი) is a peak of the Abul-Samsari Range in Southern Georgia. The elevation of the mountain is above sea level. Mount Samsari represents a volcanic cone, inside of which lies a caldera with a diameter of with a semicircular ridge surrounding it. The formation of the caldera is linked to local fault systems. The floor of the caldera is lined with rocks and glacial debris as well as small lakes and contains volcanokarst formations. The caldera rim contains traces of previous glaciation, including cirques. The mountain was built up during the late Quaternary period and is made up of andesites, dacite Dacite () is a volcanic rock formed by rapid solidification of lava that is high in silica and low in alkali metal oxides. It has a fine-grained (aphanitic) to porphyritic texture and is intermediate in composition between andesite and rhyolite ...s and rhyolites. The slopes of Samsari are mainly devoid of vegetation. The caldera formed rough ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Quaternary
The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ago to the present. The Quaternary Period is divided into two epochs: the Pleistocene (2.58 million years ago to 11.7 thousand years ago) and the Holocene (11.7 thousand years ago to today, although a third epoch, the Anthropocene, has been proposed but is not yet officially recognised by the ICS). The Quaternary Period is typically defined by the cyclic growth and decay of continental ice sheets related to the Milankovitch cycles and the associated climate and environmental changes that they caused. Research history In 1759 Giovanni Arduino proposed that the geological strata of northern Italy could be divided into four successive formations or "orders" ( it, quattro ordini). The term "quaternary" was introduced by Jules Desnoye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lists Of Volcanoes
These lists cover volcanoes by type and by location. Type * List of extraterrestrial volcanoes * List of largest volcanic eruptions * List of shield volcanoes * List of stratovolcanoes * List of subglacial volcanoes * List of submarine volcanoes * List of volcanoes by elevation Location Africa * List of volcanoes in Algeria * List of volcanoes in Cameroon * List of volcanoes in Cape Verde *List of volcanoes in Chad * List of volcanoes in the Comoros *List of volcanoes in the Democratic Republic of the Congo * List of volcanoes in Djibouti *List of volcanoes in Equatorial Guinea * List of volcanoes in Eritrea *List of volcanoes in Ethiopia *List of volcanoes in Kenya * List of volcanoes in Libya *List of volcanoes in Madagascar *In Nigeria all the volcanoes are in the Biu Plateau *List of volcanoes in Réunion *List of volcanoes in Rwanda *São Tomé and Príncipe has only one volcano, Pico de São Tomé * List of volcanoes in South Africa *List of volcanoes in Sudan *List of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanoes Of Georgia (country)
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates slide pa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
