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71 relations: Algeria, Alkali basalt, Amphibole, Assekrem, Basalt, Basanite, Benmoreite, Burdigalian, Canyon, Chott Melrhir, Cinder cone, Clematis flammula, Eburnean orogeny, Fault (geology), Flood basalt, Fumarole, Grand Erg Oriental, Hawaiite, Heat transfer, Hoggar Mountains, Holocene, Hotspot (geology), Lake, Lake Chad, Lapilli, Lava, Lava dome, Maar, Mantle (geology), Mantle plume, Manzaz volcanic field, Mediterranean Sea, Moraine, Mugearite, Neolithic, Neoproterozoic, Nivation, Olive, Olivine, Oral tradition, Orogeny, Paleolithic, Pasture, Phenocryst, Phonolite, Pottery, Precambrian, Pyroxene, Rhyolite, Rock glacier, ..., Seismic wave, Seismicity, Serravallian, Slag, Snow, Stratovolcano, Swell (geology), Tahalra volcanic field, Tahart, Tamanrasset, Tertiary, Trachyte, Tropic of Cancer, Tuareg people, Tuareg Shield, Villafranchian, Volcanic ash, Volcanic field, Volcanic plug, Wadi, Zircon. Expand index (21 more) »
Algeria
Algeria (الجزائر, familary Algerian Arabic الدزاير; ⴷⵣⴰⵢⴻⵔ; Dzayer; Algérie), officially the People's Democratic Republic of Algeria, is a sovereign state in North Africa on the Mediterranean coast.
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Alkali basalt
Alkali basalt or alkali olivine basalt is a fine-grained, dark-coloured, volcanic rock characterized by phenocrysts of olivine, titanium-rich augite, plagioclase feldspar and iron oxides.
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Amphibole
Amphibole is an important group of generally dark-colored, inosilicate minerals, forming prism or needlelike crystals, composed of double chain tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures.
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Assekrem
Assekrem (Tamahaq: rim, brim, trim) is a high plateau in the Hoggar Mountains of southern Algeria, rising from the larger Atakor plateau Assekrem is within Ahaggar National Park.
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Basalt
Basalt is a common extrusive igneous (volcanic) rock formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.
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Basanite
Basanite is an igneous, volcanic (extrusive) rock with aphanitic to porphyritic texture.
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Benmoreite
Benmoreite is a silica-undersaturated volcanic rock of intermediate composition.
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Burdigalian
The Burdigalian is, in the geologic timescale, an age or stage in the early Miocene.
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Canyon
A canyon (Spanish: cañón; archaic British English spelling: cañon) or gorge is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic timescales.
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Chott Melrhir
Chott Melrhir also known as Chott Melghir or Chott Melhir is an endorheic salt lake in northeastern Algeria.
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Cinder cone
A cinder cone or scoria cone is a steep conical hill of loose pyroclastic fragments, such as either volcanic clinkers, cinders, volcanic ash, or scoria that has been built around a volcanic vent.
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Clematis flammula
Clematis flammula is a temperate liana known by the common name fragrant virgin's bower.
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Eburnean orogeny
The Eburnean orogeny, or Eburnean cycle was a series of tectonic, metamorphic and plutonic events in what is now West Africa during the Paleoproterozoic era between about 2200–2000 million years ago.
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Fault (geology)
In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock-mass movement.
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Flood basalt
A flood basalt is the result of a giant volcanic eruption or series of eruptions that covers large stretches of land or the ocean floor with basalt lava.
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Fumarole
A fumarole (or fumerole – the word ultimately comes from the Latin fumus, "smoke") is an opening in a planet's crust, often in areas surrounding volcanoes, which emits steam and gases such as carbon dioxide, sulfur dioxide, hydrogen chloride, and hydrogen sulfide.
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Grand Erg Oriental
The Grand Erg Oriental (English: 'Great Eastern Sand Sea') is a large erg or "field of sand dunes" in the Sahara Desert.
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Hawaiite
Hawaiite is an olivine basalt with a composition between alkali basalt and mugearite.
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Heat transfer
Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems.
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Hoggar Mountains
The Hoggar Mountains (جبال هقار, Berber: idurar n Ahaggar, Tuareg: Idurar Uhaggar), also known as the Ahaggar Mountains, are a highland region in the central Sahara, southern Algeria, along the Tropic of Cancer.
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Holocene
The Holocene is the current geological epoch.
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Hotspot (geology)
In geology, the places known as hotspots or hot spots are volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle.
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Lake
A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake.
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Lake Chad
Lake Chad (French: Lac Tchad) is a historically large, shallow, endorheic lake in Africa, which has varied in size over the centuries.
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Lapilli
Lapilli is a size classification term for tephra, which is material that falls out of the air during a volcanic eruption or during some meteorite impacts.
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Lava
Lava is molten rock generated by geothermal energy and expelled through fractures in planetary crust or in an eruption, usually at temperatures from.
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Lava dome
In volcanology, a lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano.
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Maar
A maar is a broad, low-relief volcanic crater caused by a phreatomagmatic eruption (an explosion which occurs when groundwater comes into contact with hot lava or magma).
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Mantle (geology)
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies.
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Mantle plume
A mantle plume is an upwelling of abnormally hot rock within the Earth's mantle, first proposed by J. Tuzo Wilson in 1963.
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Manzaz volcanic field
Manzaz volcanic field is a volcanic field in Algeria.
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Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Southern Europe and Anatolia, on the south by North Africa and on the east by the Levant.
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Moraine
A moraine is any glacially formed accumulation of unconsolidated glacial debris (regolith and rock) that occurs in both currently and formerly glaciated regions on Earth (i.e. a past glacial maximum), through geomorphological processes.
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Mugearite
Mugearite is a type of oligoclase-bearing basalt, comprising olivine, apatite, and opaque oxides.
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Neolithic
The Neolithic was a period in the development of human technology, beginning about 10,200 BC, according to the ASPRO chronology, in some parts of Western Asia, and later in other parts of the world and ending between 4500 and 2000 BC.
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Neoproterozoic
The Neoproterozoic Era is the unit of geologic time from.
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Nivation
Nivation refers to the processes that occur under a snow patch.
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Olive
The olive, known by the botanical name Olea europaea, meaning "European olive", is a species of small tree in the family Oleaceae, found in the Mediterranean Basin from Portugal to the Levant, the Arabian Peninsula, and southern Asia as far east as China, as well as the Canary Islands and Réunion.
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Olivine
The mineral olivine is a magnesium iron silicate with the formula (Mg2+, Fe2+)2SiO4.
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Oral tradition
Oral tradition, or oral lore, is a form of human communication where in knowledge, art, ideas and cultural material is received, preserved and transmitted orally from one generation to another.
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Orogeny
An orogeny is an event that leads to a large structural deformation of the Earth's lithosphere (crust and uppermost mantle) due to the interaction between plate tectonics.
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Paleolithic
The Paleolithic or Palaeolithic is a period in human prehistory distinguished by the original development of stone tools that covers c. 95% of human technological prehistory.
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Pasture
Pasture (from the Latin pastus, past participle of pascere, "to feed") is land used for grazing.
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Phenocryst
1 euro coin (diameter 2.3 cm) for scale. A phenocryst is an early forming, relatively large and usually conspicuous crystal distinctly larger than the grains of the rock groundmass of an igneous rock.
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Phonolite
Phonolite is an uncommon volcanic rock, of intermediate chemical composition between felsic and mafic, with texture ranging from aphanitic (fine-grain) to porphyritic (mixed fine- and coarse-grain).
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Pottery
Pottery is the ceramic material which makes up pottery wares, of which major types include earthenware, stoneware and porcelain.
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Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pЄ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon.
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Pyroxene
The pyroxenes (commonly abbreviated to Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks.
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Rhyolite
Rhyolite is an igneous, volcanic rock, of felsic (silica-rich) composition (typically > 69% SiO2 – see the TAS classification).
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Rock glacier
Rock glaciers are distinctive geomorphological landforms, consisting either of angular rock debris frozen in interstitial ice, former "true" glaciers overlain by a layer of talus, or something in between.
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Seismic wave
Seismic waves are waves of energy that travel through the Earth's layers, and are a result of earthquakes, volcanic eruptions, magma movement, large landslides and large man-made explosions that give out low-frequency acoustic energy.
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Seismicity
Seismicity is a measure which encompasses earthquake occurrences, mechanisms, and magnitude at a given geographical location.
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Serravallian
The Serravallian is in the geologic timescale an age or a stage in the middle Miocene epoch/series, that spans the time between 13.65 ± 0.05 Ma and 11.608 ± 0.005 Ma (million years ago).
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Slag
Slag is the glass-like by-product left over after a desired metal has been separated (i.e., smelted) from its raw ore.
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Snow
Snow refers to forms of ice crystals that precipitate from the atmosphere (usually from clouds) and undergo changes on the Earth's surface.
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Stratovolcano
A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava, tephra, pumice and ash.
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Swell (geology)
A swell in geology is a domed area of considerable areal extent.
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Tahalra volcanic field
Tahalra volcanic field is a volcanic field in Algeria.
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Tahart
Tahart (also written Tahat) is a village in the commune of Abalessa, in Tamanrasset Province, Algeria.
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Tamanrasset
Tamanrasset (تمنراست, also known as Tamenɣest, Tamanghasset or Tamenghest, Tuareg: ⵜⵎⵏⵘⵙⵜ) is an oasis city and capital of Tamanrasset Province in southern Algeria, in the Ahaggar Mountains.
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Tertiary
Tertiary is the former term for the geologic period from 65 million to 2.58 million years ago, a timespan that occurs between the superseded Secondary period and the Quaternary.
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Trachyte
Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture.
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Tropic of Cancer
The Tropic of Cancer, also referred to as the Northern Tropic, is the most northerly circle of latitude on Earth at which the Sun can be directly overhead.
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Tuareg people
The Tuareg people (also spelt Twareg or Touareg; endonym: Kel Tamasheq, Kel Tagelmust) are a large Berber ethnic confederation.
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Tuareg Shield
The Tuareg Shield is a geological formation lying between the West African craton and the Saharan Metacraton in West Africa.
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Villafranchian
Villafranchian age is a period of geologic time (3.5—1.0 Ma) overlapping the end of the Pliocene and the beginning of the Pleistocene used more specifically with European Land Mammal Ages.
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Volcanic ash
Volcanic ash consists of fragments of pulverized rock, minerals and volcanic glass, created during volcanic eruptions and measuring less than 2 mm (0.079 inches) in diameter.
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Volcanic field
A volcanic field is an area of the Earth's crust that is prone to localized volcanic activity.
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Volcanic plug
A volcanic plug, also called a volcanic neck or lava neck, is a volcanic object created when magma hardens within a vent on an active volcano.
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Wadi
Wadi (wādī; ואדי), alternatively wād (وَاد), is the Arabic and Hebrew term traditionally referring to a valley.
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Zircon
Zircon is a mineral belonging to the group of nesosilicates.
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References
[1] https://en.wikipedia.org/wiki/Atakor_volcanic_field
