Basalto

Basalto

Una roca ígnea, de grano fino y similar al vidrio, formada por lava enfriada rápidamente, a menudo bajo el agua.

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Industrie/Domein: Geography
Category: Physical geography
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basalto

Archaeology; Human evolution

The fine-grained member of the gabbro family of igneous rock. Its mineral composition gives it a dark or black color.

basalto

Astronomy; Planetary science

Fine-grained, dark-colored extrusive igneous rock with less than about 52 weight percent silica (SiO 2 ). Because of its low silica content, basalt has a low viscosity (resistance ...

basalto

Biology; Ecology

A dark, extrusive, igneous rock made of particles so fine they can't be seen unaided. Formed from mafic (high in heavy elements) magma. See Felsic.

basalto

Astronomy; Moon

Roca volcánica formada por el enfriamiento rápido de la lava que se encuentra en las zonas bajas de la superficie de la luna.

basalto

Archaeology; General archaeology

Una roca volcánica de grano fino para la fabricación de artefactos de piedra tallada. De color negro a gris, de textura granular similar al vidrio.

nubes en forma de yunque

Geography; Physical geography

Rapidly rising column of air in a convectional thunderstorm will soon reach the tropopause and be forced to spread in its upper portion to form an anvil shape.

arqueado

Geography; Physical geography

A fan-shape with the 'point' at the river mouth.

cúspide

Geography; Physical geography

A triangular shape with the 'point' facing the body of water and base at the river mouth.

área industrial abandonada

Geography; Physical geography

Zona abandonada o con construcciones muy antiguas que podrían ser renovadas para nuevos usos.

privación

Geography; Physical geography

Situación en que la calidad de vida está por debajo de lo esperado para un lugar en particular en un tiempo determinado.

sequía

Geography; Physical geography

A lack of precipitation into an area for a long period of time. Modern droughts are thought to be intensified by population pressure which may help to remove water available for ...