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Upper mantle

The upper mantle of Earth is a very thick layer of rock inside the planet, which begins just beneath the crust (at about 10 km (6.2 mi) under the oceans, and about 35 km (22 mi) under the continents) and ends at the top of the lower mantle, at about 670 km (420 mi). Temperatures range from around 900 K (627 °C; 1,160 °F) at the upper boundary with the…

Art, Seismic structure & Exploration

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Seismic structure

Temperature and pressure

Movement

Mineral composition

Exploration

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Upper mantle

Nodes78
Edges77
Triples22
Avg. degree1.97
Density0.025641
Components1

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Upper mantle

Top relations

related to Mineral composition · 4
Upper mantle → Gradually, Observations, The, Upper
related to Seismic structure · 4
Upper mantle → Abrupt, Density, Earth, The
related to Temperature and pressure · 4
Upper mantle → Although, Pressure, Temperatures, The
related to Transition zone · 3
Upper mantle → Below, The, This
related to Chemical composition · 2
Upper mantle → One, The
causes · 1
Upper mantle → the tectonic plates to move.Crust and mantle are distinguished by composition

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Important terminology

mantle upper mi crust km depth transition olivine discontinuity 670 lower pressure seismic phase rock 420 boundary material surface 10

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Upper mantlecausesthe tectonic plates to move.Crust and mantle are distinguished by composition0.90text
plagioclaseinstance ofof calcium oxide and aluminum oxide minerals0.80text
spinelinstance ofof calcium oxide and aluminum oxide minerals0.80text
or garnetinstance ofof calcium oxide and aluminum oxide minerals0.80text
depending on depthinstance ofof calcium oxide and aluminum oxide minerals0.80text
Upper mantlerelated to Chemical compositionThe0.60section
Upper mantlerelated to Chemical compositionOne0.60section
Upper mantlerelated to Mineral compositionThe0.60section
Upper mantlerelated to Mineral compositionObservations0.60section
Upper mantlerelated to Mineral compositionUpper0.60section
Upper mantlerelated to Mineral compositionGradually0.60section
Upper mantlerelated to Seismic structureThe0.60section

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