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AGGREGATES,ORNAMENTAL ROCKS,QUARRIED ROCKS AND OTHER CONSTRUCTION MATERIALS,AS WELL AS FOSSIL FUELS

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AGGREGATES,ORNAMENTAL ROCKS,QUARRIED ROCKS AND OTHER CONSTRUCTION MATERIALS,AS WELL AS FOSSIL FUELS

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THEY ARE FOUND IN DEEP ZONES,WHERE THE TEMPERATURE IS EXTREMELY HIGH.IN THIS ZONES WE FOUND MAGMA.WHEN THIS MAGMA,COOLS DOWN ,SOLIDIFIES AND FORMS MAGMATIC ROCKS.

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THEY ARE FOUND IN DEEP ZONES,WHERE THE TEMPERATURE IS EXTREMELY HIGH.IN THIS ZONES WE FOUND MAGMA.WHEN THIS MAGMA,COOLS DOWN ,SOLIDIFIES AND FORMS MAGMATIC ROCKS.

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ROCKSTHAT ARE TRANSFORMED DEEP UNDERGROUND WITH EXTREME HEAT AND PRESSURE.

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ROCKSTHAT ARE TRANSFORMED DEEP UNDERGROUND WITH EXTREME HEAT AND PRESSURE.

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THEY ARE FORM OF SEDIMENTS OR FRAGMENTS OF OTHER ROCKS.

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THEY ARE FORM OF SEDIMENTS OR FRAGMENTS OF OTHER ROCKS.

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A rock is a solid made up of a bunch of different minerals. Rocks are generally not uniform or made up of exact structures that can be described by scientific formulas.

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A rock is a solid made up of a bunch of different minerals. Rocks are generally not uniform or made up of exact structures that can be described by scientific formulas.

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Cleavage describes how a mineral breaks up into pieces. Some minerals break up into small cubes while others may break up into thin sheets.

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Streak is the color of the mineral in powdered form. One way to determine the streak is to rub the mineral across a rough hard surface like a tile.

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Lutre describes how well a mineral reflects light. Examples of luster include glassy, metallic, brilliant, and dull.

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Although color is often used to describe a mineral, it sometimes isn't the best way to tell one mineral from another as one type of mineral can come in several different colors.

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The hardness describes how easy it is to scratch the surface of a mineral. Scientists often use the Moh's scale to describe hardness. Using the Moh's scale, a "1" is the softest mineral and a "10" is the hardest. One example of hardness is diamond. Diamond has a hardness of 10 because it is the hardest of all the minerals.
MOH'S SCALE

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The rest of the minerals are lumped into a group called non-silicates. Some important non-silicate minerals include: --Carbonates
-Halides .
-Oxides
-Sulfides.

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Silicates are minerals that contain silicon and oxygen. Over 90% of the Earth's crust is made up of silicates.

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A mineral is a solid,natural,inorganic(not made by humans) material that has a specific "chemical formula".

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A mineral is a solid,natural,inorganic(not made by humans) material that has a specific "chemical formula".

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THE GEOSPHERE HAS GOT FOUR CHARACTERISTICS:

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THE GEOSPHERE HAS GOT FOUR CHARACTERISTICS:

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-IT'S HOT:IF YOU GO DEPPER THE TEMPERATURES INCREASES.VOCANIC ERUPTIONS ARE AN EXAMPLE THEY SHOW THAT THE EARTH INTERIOR IS VERY HOT.
-IT'S MAGNETIG:THE COMPASS POINTS TO THE NORTH BECAUSE THE EARTH HAS GOT A MAGNETIC FIELD.THE SOURCE OF THIS MAGNETIC FIELD IS THE IRON CORE AT THE CENTRE OF THE EARTH.
-IT'S DENSE:THE MEAN DENSITY OF THE GEOSPHERE IS APPROXIMATELY DOUBLE THE DENSITY OF SURFACE ROCKS.
-IT HAS A LAYERED STRUCTURE:BY ANALYSING HOW SEISMIC WAVES
FROM EARTHQUAKES SPREAD OUT AND TRAVEL THROUGHT DIFFERENT SOLID AND LIQUID MATERIALS.SCIENTISTS HAS BEEN ABLE TO IDENTIFY THE DIFFERENT LAYERS INSIDE THE EARTH.

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MOST MINERALS AND ROCKS ARE FOUND IN THE  GEOSPHERE.

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MOST MINERALS AND ROCKS ARE FOUND IN THE  GEOSPHERE.