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Igneous rocks
EduBook Organización
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4.1. The formation of igneous rocks Igneous rocks (or magmatic rocks) are formed from magma. Depending on where the magma solidifies, it can produce three different types of igneous rocks: Plutonic…
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Check. Test yourself
EduBook Organización
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Remember what you have studied in this unit and answer the questions: What is the temperature of the matter at the Earth's core? How fast do tectonic plates move? How do two touching plates move in…
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Match. The structure of the Earth
EduBook Organización
- 2613 visitas
Indicate which of the Earth's layers match the following characteristics: It is less than 1% of the planet's total volume. It is where we find magma. It is made of solid rock, such as basalt or…
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Mining, energy and construction in Spain
EduBook Organización
- 2194 visitas
4.1. Mining in Spain Spain produces limited amounts of coal, tin, iron, lead, zinc, mercury, copper, wolfram, potash and sulphur. However, the mining sector in Spain cannot meet the needs of local…
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Rocks and soil on the Earth's surface
EduBook Organización
- 1856 visitas
Types of rocks The Earth's crust is made up of three types of rock: igneous, sedimentary and metamorphic. Igneous rocks are formed when magma (a rock in a liquid state) cools. If the magma reaches…
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The geosphere
EduBook Organización
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What is the geosphere made of? The geosphere is made up of rocks. Rocks are natural materials. They are usually hard and dense, and are made up of chemical substances called minerals. For example,…
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