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River Pleistos
The Pleistos ( el, Πλείστος, grc, Πλεῖστος, la, Pleistus) is a river in central Greece. It drains the Pleistos valley, named after it, a relatively recent rift valley north of the Gulf of Corinth, and parallel to it. They have the same geologic causes. Being situated in karst topography, much of the river runs or seeps through underground channels. The surface stream is intermittent. However, the limestone riverbed reflecting the light gives the appearance of a stream of water. The semi-arid valley floor, too inaccessible for urban development, is eminently suitable for dendriculture. Extensive olive groves, knicknamed the "sea of olives," have been in place since prehistoric times. The floor is flanked by precipitous elevations, notably a scarp on the north side. The primary access road to the valley runs on the side of the north scarp throughout its entire length. Near the lower valley the road intersects the site of ancient Delphi. Oracular temples have exis ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Parnassus
Mount Parnassus (; el, Παρνασσός, ''Parnassós'') is a mountain range of central Greece that is and historically has been especially valuable to the Greek nation and the earlier Greek city-states for many reasons. In peace, it offers scenic views of the countryside, being a major international recreational site, with views of montane landscapes. Economically its rolling foothills and valleys host extensive groves of olive, a cash crop marketed world-wide since prehistory. The mountain is also the location of historical, archaeological, and other cultural sites, such as Delphi perched on the southern slopes of the mountain in a rift valley north of the Gulf of Corinth. Parnassus is laced with trails for hiking in the three warm seasons. In the winter the entire range is open to skiing, especially from the resorts of Arachova. Its melting snows are a source of municipal water to the surrounding communities. The mountain is composed of limestone, but also contains bauxit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Cirphis
Cirphis or Kirphis or Kirfis ( grc, Κίρφις, Kírphis, la, Cirphis Mons) is a mountain in Greece north of the Bay of Antikyra in the Gulf of Corinth. It is separated from Mount Parnassus by the valley of the Pleistos. In antiquity, it was reckoned as part of the district of Phocis Phocis ( el, Φωκίδα ; grc, Φωκίς) is one of the regional units of Greece. It is part of the administrative region of Central Greece. It stretches from the western mountainsides of Parnassus on the east to the mountain range of Vardo .... References Geography of ancient Phocis Cirphis {{ancientPhocis-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Continental Drift
Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The idea of continental drift has been subsumed into the science of plate tectonics, which studies the movement of the continents as they ride on plates of the Earth's lithosphere. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596. A pioneer of the modern view of mobilism was the Austrian geologist Otto Ampferer.Helmut W. Flügel: Die virtuelle Welt des Otto Ampferer und die Realität seiner Zeit'. In: Geo. Alp., Vol. 1, 2004. The concept was independently and more fully developed by Alfred Wegener in 1912, but the hypothesis was rejected by many for lack of any motive mechanism. The English geologist Arthur Holmes later proposed mantle convection for that mechanism. History Early history Abraham Ortelius , Theodor Christoph Lilienthal (1756), A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Convergent Boundary
A convergent boundary (also known as a destructive boundary) is an area on Earth where two or more Plate tectonics, lithospheric plates collide. One plate eventually slides beneath the other, a process known as subduction. The subduction zone can be defined by a plane where many earthquakes occur, called the Wadati–Benioff zone. These collisions happen on scales of millions to tens of millions of years and can lead to volcanism, earthquakes, Orogeny, orogenesis, destruction of lithosphere, and Deformation (geology), deformation. Convergent boundaries occur between oceanic-oceanic lithosphere, oceanic-continental lithosphere, and continental-continental lithosphere. The geologic features related to convergent boundaries vary depending on crust types. Plate tectonics is driven by convection cells in the mantle. Convection cells are the result of heat generated by the radioactive decay of elements in the mantle escaping to the surface and the return of cool materials from the surfac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orogeny
Orogeny is a mountain building process. An orogeny is an event that takes place at a convergent plate margin when plate motion compresses the margin. An ''orogenic belt'' or ''orogen'' develops as the compressed plate crumples and is uplifted to form one or more mountain ranges. This involves a series of geological processes collectively called orogenesis. These include both structural deformation of existing continental crust and the creation of new continental crust through volcanism. Magma rising in the orogen carries less dense material upwards while leaving more dense material behind, resulting in compositional differentiation of Earth's lithosphere ( crust and uppermost mantle). A synorogenic process or event is one that occurs during an orogeny. The word "orogeny" () comes from Ancient Greek (, , + , , ). Although it was used before him, the term was employed by the American geologist G. K. Gilbert in 1890 to describe the process of mountain-building as distinguished f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Peloponnese
The Peloponnese (), Peloponnesus (; el, Πελοπόννησος, Pelopónnēsos,(), or Morea is a peninsula and geographic regions of Greece, geographic region in southern Greece. It is connected to the central part of the country by the Isthmus of Corinth land bridge which separates the Gulf of Corinth from the Saronic Gulf. From the late Middle Ages until the 19th century the peninsula was known as the Morea ( grc-x-byzant, Μωρέας), (Morèas) a name still in colloquial use in its demotic Greek, demotic form ( el, Μωριάς, links=no), (Moriàs). The peninsula is divided among three administrative regions of Greece, administrative regions: most belongs to the Peloponnese (region), Peloponnese region, with smaller parts belonging to the West Greece and Attica (region), Attica regions. Geography The Peloponnese is a peninsula located at the southern tip of the mainland, in area, and constitutes the southernmost part of mainland Greece. It is connected to the mainlan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Back Arc Basin
A back-arc basin is a type of geologic basin, found at some convergent plate boundaries. Presently all back-arc basins are submarine features associated with island arcs and subduction zones, with many found in the western Pacific Ocean. Most of them result from tensional forces, caused by a process known as oceanic trench rollback, where a subduction zone moves towards the subducting plate. Back-arc basins were initially an unexpected phenomenon in plate tectonics, as convergent boundaries were expected to universally be zones of compression. However, in 1970, Dan Karig published a model of back-arc basins consistent with plate tectonics. Structural characteristics Back-arc basins are typically very long and relatively narrow, often thousands of kilometers long while only being a few hundred kilometers wide at most. For back-arc extension to form, a subduction zone is required, but not all subduction zones have a back-arc extension feature. Back-arc basins are found in area ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Orogeny
Orogeny is a mountain building process. An orogeny is an event that takes place at a convergent plate margin when plate motion compresses the margin. An ''orogenic belt'' or ''orogen'' develops as the compressed plate crumples and is uplifted to form one or more mountain ranges. This involves a series of geological processes collectively called orogenesis. These include both structural deformation of existing continental crust and the creation of new continental crust through volcanism. Magma rising in the orogen carries less dense material upwards while leaving more dense material behind, resulting in compositional differentiation of Earth's lithosphere ( crust and uppermost mantle). A synorogenic process or event is one that occurs during an orogeny. The word "orogeny" () comes from Ancient Greek (, , + , , ). Although it was used before him, the term was employed by the American geologist G. K. Gilbert in 1890 to describe the process of mountain-building as distinguished f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crust (geology)
In geology, the crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite. It is usually distinguished from the underlying mantle by its chemical makeup; however, in the case of icy satellites, it may be distinguished based on its phase (solid crust vs. liquid mantle). The crusts of Earth, Mercury, Venus, Mars, Io, the Moon and other planetary bodies formed via igneous processes and were later modified by erosion, impact cratering, volcanism, and sedimentation. Most terrestrial planets have fairly uniform crusts. Earth, however, has two distinct types: continental crust and oceanic crust. These two types have different chemical compositions and physical properties and were formed by different geological processes. Types of crust Planetary geologists divide crust into three categories based on how and when it formed. Primary crust / primordial crust This is a planet's "original" crust. It forms from solidification of a magma ocean. Towa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phaedriades
In Greece, the Phaedriades (Φαιδριάδες, meaning "the shining ones") are the pair of cliffs, ''ca'' 700 m high on the lower southern slope of Mt. Parnassos, which rise above the sacred site of Delphi. Strabo, Plutarch and Pausanias all mentioned the Phaedriades when describing the site, a narrow valley of the Pleistos (today Xeropotamos) formed by Parnassos and Mount Cirphis. Between them rises the Castalian Spring. Even nowadays, at noontime, the rock surfaces reflect a dazzling glare. Geology The Phaedriades consist of dark limestone formed in the Jurassic period. Historical narrations Herodotus mentions that during the Persian invasion of Greece Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ... in 480 B.C. Apollo sent an oracle to the priests of Delphi saying that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Oracle
An oracle is a person or agency considered to provide wise and insightful counsel or prophetic predictions, most notably including precognition of the future, inspired by deities. As such, it is a form of divination. Description The word ''oracle'' comes from the Latin verb ''ōrāre'', "to speak" and properly refers to the priest or priestess uttering the prediction. In extended use, ''oracle'' may also refer to the ''site of the oracle'', and to the oracular utterances themselves, called ''khrēsmē'' 'tresme' (χρησμοί) in Greek. Oracles were thought to be portals through which the gods spoke directly to people. In this sense, they were different from seers (''manteis'', μάντεις) who interpreted signs sent by the gods through bird signs, animal entrails, and other various methods.Flower, Michael Attyah. ''The Seer in Ancient Greece.'' Berkeley: University of California Press, 2008. The most important oracles of Greek antiquity were Pythia (priestess to Apoll ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apollo
Apollo, grc, Ἀπόλλωνος, Apóllōnos, label=genitive , ; , grc-dor, Ἀπέλλων, Apéllōn, ; grc, Ἀπείλων, Apeílōn, label=Arcadocypriot Greek, ; grc-aeo, Ἄπλουν, Áploun, la, Apollō, la, Apollinis, label=genitive, , ; , is one of the Olympian deities in classical Greek and Roman religion and Greek and Roman mythology. The national divinity of the Greeks, Apollo has been recognized as a god of archery, music and dance, truth and prophecy, healing and diseases, the Sun and light, poetry, and more. One of the most important and complex of the Greek gods, he is the son of Zeus and Leto, and the twin brother of Artemis, goddess of the hunt. Seen as the most beautiful god and the ideal of the ''kouros'' (ephebe, or a beardless, athletic youth), Apollo is considered to be the most Greek of all the gods. Apollo is known in Greek-influenced Etruscan mythology as ''Apulu''. As the patron deity of Delphi (''Apollo Pythios''), Apollo is an oracul ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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