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DISCONTINUIDAD MOHOROVICIC [2 records]

Record 1 2021-07-14

English

Subject field(s)
  • Geology
DEF

The intermediate shell zone of the Earth below the crust and above the core.

CONT

The mantle is almost 2,900 kilometers thick and comprises about 83% of the Earth's volume.

CONT

The mantle is commonly divided into three parts: the upper mantle ... the transition zone ... and the lower mantle.

CONT

In composition, the Earth is made of three nested spheres. At the center of the Earth, a body of intensely hot iron and nickel forms the core. A less dense and much larger middle sphere is made of materials rich in iron, magnesium and calcium comprises the mantle. The outermost layer is a thin veneer of lighter rocks called the crust.

French

Domaine(s)
  • Géologie
DEF

Partie interne de la Terre située entre la croûte et le noyau.

CONT

Le manteau représente un peu plus de 80 % du volume de la Terre.

CONT

Le manteau comprend trois parties : le manteau supérieur, une zone de transition et le manteau inférieur.

CONT

Sous la croûte, le manteau est principalement composé de roches silicatées, à base de silicium et d'oxygène, mais contient aussi du magnésium, du fer et d'autres éléments mineurs. Cette partie solide s'étend jusqu'à 2900 kilomètres de profondeur et, en dessous c'est le noyau, où s'est concentré le fer.

Spanish

Campo(s) temático(s)
  • Geología
DEF

Parte del interior de la Tierra comprendida entre la discontinuidad de Mohorovicic y el núcleo, entre los 400 y los 2 900 km de profundidad.

CONT

El manto se divide en el manto superior y el manto inferior, separados por la zona de transición.

Save record 1

Record 2 2011-05-09

English

Subject field(s)
  • Geology
DEF

The outermost solid layer of the Earth, mostly consisting of crystalline rock and extending no more than a few miles from the surface to the Mohorovicic discontinuity.

CONT

Earth's outermost, rigid, rocky layer is called the crust. It is composed of low-density, easily melted rocks; the continental crust is predominantly granitic rock, while composition of the oceanic crust corresponds mainly to that of basalt and gabbro. Analyses of seismic waves, generated by earthquakes within Earth's interior, show that the crust extends about 50 km (30 miles) beneath the continents but only 5-10 km (3-6) miles beneath the ocean floors.

CONT

In composition, the Earth is made of three nested spheres. At the center of the Earth, a body of intensely hot iron and nickel forms the core. A less dense and much larger middle sphere is made of materials rich in iron, magnesium and calcium comprises the mantle. The outermost layer is a thin veneer of lighter rocks called the crust.

French

Domaine(s)
  • Géologie
DEF

Couche de roches située près de la surface de la Terre.

CONT

Au cours des temps géologiques, l'écorce se différencia en une croûte continentale formée principalement de roches granitiques [...] et en une croûte océanique formée de roches basaltiques [...] La limite entre le manteau et l'écorce est appelé discontinuité de Mohorovicic ou Moho.

CONT

La partie la plus superficielle de la partie solide [de la Terre] c'est la croûte. Sous les océans, elle ne dépasse pas sept kilomètres d'épaisseur, alors que sous les continents, elle varie entre 20 et 70 kilomètres.

Spanish

Campo(s) temático(s)
  • Geología
DEF

Parte superior de la envolvente externa del globo terráqueo, que yace sobre el manto a lo largo de la discontinuidad de Mohorovicic.

OBS

Constituye el 1 por 1 000 del volumen de la Tierra, con un grosor bastante variable.

Save record 2

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