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6370 km 2900 km 2250 km Earth’s Interior Earth’s Main Chemical Composition 1220 km Earth’s Size Continental crust 10-75 km Ocean Crust 5-7 km Inner Core Outer Core Mantle (not to scale) Iron (Fe) Iron (Fe) Nickel (Ni) Sulfur (S) Iron (Fe) Magnesium (Mg) Aluminium (Al) Silicon (Si) Oxygen (O) Silicon (Si) Oxygen (O) Aluminum (Al) Iron (Fe) Calcium (Ca) Sodium (Na) A More Complicated Look Despite the popular Jules Verne novel, no one has journeyed to the center of Earth. As a result, we cannot say for sure how it looks, or exactly what it is composed of. It is important to remember that the straight lines in these more likely to look closer to the image on the right. Earth’s Movement Outer Core Mantle Island Arc Mid-ocean Ridge Volcanoes Subduction Subduction Hot Plume Trench Mohorovicic discontinuity: The boundary between the crust and the mantle Gutenberg discontinuity: The boundary between the mantle and core. education.nationalgeographic.com
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Earth’s Size Trench Volcanoes Mid-ocean Earth’s Interior Ridge … · 2017-02-03 · 6370 km 2900 km 2250 km Earth’s Interior Earth’s Main Chemical Composition 1220 km Earth’s

Jul 19, 2020

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Page 1: Earth’s Size Trench Volcanoes Mid-ocean Earth’s Interior Ridge … · 2017-02-03 · 6370 km 2900 km 2250 km Earth’s Interior Earth’s Main Chemical Composition 1220 km Earth’s

6370 km

2900 km

2250 km

Earth’s Interior

Earth’s Main Chemical Composition

1220 km

Earth’s SizeContinental crust10-75 km

Ocean Crust5-7 km

InnerCore

Outer Core

Mantle

(not to scale)

Iron (Fe)

Iron (Fe)Nickel (Ni) Sulfur (S)

Iron (Fe)Magnesium (Mg)Aluminium (Al)Silicon (Si)Oxygen (O)

Silicon (Si)Oxygen (O)Aluminum (Al)Iron (Fe)Calcium (Ca)Sodium (Na)

A More Complicated LookDespite the popular Jules Verne novel, no one has journeyed to the center of Earth. As a result, we cannot say for sure how it looks, or exactly what it is composed of.

It is important to remember that the straight lines in these

more likely to look closer to the image on the right.

Earth’s Movement

Outer Core

Mantle

Island ArcMid-ocean

Ridge

Volcanoes

Subduction

Subduction

HotPlume

Trench

Mohorovicic discontinuity: The boundary between the crust and the mantle

Gutenberg discontinuity: The boundary between the mantle and core.

education.nationalgeographic.com