Metamorphic Metamorphic RocksRocks

By Elsa and CliveBy Elsa and Clive

IntroductionIntroduction

Have you ever wondered what a Have you ever wondered what a metamorphic rocmetamorphic rock is? Are you k is? Are you about to explode, because you about to explode, because you don’t know how a metamorphic don’t know how a metamorphic rock is formed? Well if you read rock is formed? Well if you read on, you will find out everything on, you will find out everything about a metamorphic rock that about a metamorphic rock that you’ve been wanting to know!you’ve been wanting to know!

What What IsIs A A Metamorphic Metamorphic

Rock?Rock?A metamorphic rock is a rock that has A metamorphic rock is a rock that has been changed in shape.been changed in shape.

Before the components of a metamorphic Before the components of a metamorphic rocks are Igneous, Sedimentary, rocks are Igneous, Sedimentary, Metamorphic or other types of rocks Metamorphic or other types of rocks pushed together by gravity and pressure.pushed together by gravity and pressure.

The texture might even have no sign of The texture might even have no sign of its components, but will have its components, but will have crystallizations. crystallizations.

One Kind Of One Kind Of Metamorphic Rock- Metamorphic Rock-

MarbleMarbleMarble is a metamorphic rock that comes from Marble is a metamorphic rock that comes from metamorphosed limestone, calcite, or dolomite. metamorphosed limestone, calcite, or dolomite.

Color: Various but usually gray or white.Color: Various but usually gray or white.

Marble is usually used for making sculptures and Marble is usually used for making sculptures and flooring.flooring.

Marble tends to be considered an elegant material. It Marble tends to be considered an elegant material. It is also tied closely to the classical Greek and Roman is also tied closely to the classical Greek and Roman periods. A relatively expensive, and difficult to periods. A relatively expensive, and difficult to maintain stone, it is most often used in delicate and maintain stone, it is most often used in delicate and upscale applications.upscale applications.

Another Kind Of Another Kind Of Metamorphic Rock- Metamorphic Rock-

QuartziteQuartziteQuartzite is a coarse-grained metamorphic rock Quartzite is a coarse-grained metamorphic rock derived from sandstone.derived from sandstone.

Color: Usually white, light gray, yellowish, or Color: Usually white, light gray, yellowish, or light brown.light brown.

Quartzite is used for floorings, construction Quartzite is used for floorings, construction materials and is part of the ingredients in materials and is part of the ingredients in glass.glass.

It has a uniform texture and is very hard, 7 on It has a uniform texture and is very hard, 7 on the Mo's Scale.the Mo's Scale.

Last Kind Of Last Kind Of Metamorphic Rock That Metamorphic Rock That We Will Define-GneissWe Will Define-Gneiss

Gneiss is a medium to course grained metamorphic Gneiss is a medium to course grained metamorphic rock.rock.

Color: Usually black and white.Color: Usually black and white.

Gneiss is used for gravestones, and flooring Gneiss is used for gravestones, and flooring material.material.

Gneiss is found in New England, the Piedmont (Part Gneiss is found in New England, the Piedmont (Part of North America), the Adirondacks, and the Rocky of North America), the Adirondacks, and the Rocky Mts. Some gneisses are used as facing stone on Mts. Some gneisses are used as facing stone on buildings.buildings.

Properties Of A Properties Of A Metamorphic Metamorphic

RockRockMetamorphic rocks are composed of Metamorphic rocks are composed of Ingenious, Sedimentary, Metamorphic or Ingenious, Sedimentary, Metamorphic or any other kind of rock pushed together by any other kind of rock pushed together by gravity, heat, and pressure.gravity, heat, and pressure.

GlossaryGlossaryMetamorphic- A metamorphic rock is a rock Metamorphic- A metamorphic rock is a rock that has been changed in shape.that has been changed in shape.

Heat- Heat is when something turns very hot Heat- Heat is when something turns very hot and melts into hot liquid.and melts into hot liquid.

Crystallization- When hot liquid freezes. This Crystallization- When hot liquid freezes. This hardens into different shapes and lusters.hardens into different shapes and lusters.

Pressure- Is when something or someone is Pressure- Is when something or someone is using much force to push or move an object using much force to push or move an object and is the friction from pushing or moving the and is the friction from pushing or moving the object.object.

TestTestHow is a metamorphic How is a metamorphic rock formed?rock formed?

Gravity and pressureGravity and pressure

List two properties of a List two properties of a metamorphic rock.metamorphic rock.

Sculptures, flooring and Sculptures, flooring and statuesstatues

What is marble used for?What is marble used for?

Sculptures and flooringSculptures and flooring

What What isis a metamorphic a metamorphic rock? rock?

Rocks that are Rocks that are Squished together.Squished together.

ResourcesResourcesInformation and photos from:

http://en.wikipedia.org/wiki/metamorphisim

http://www.rocksandminerals4u.com/marble.html

http://www.rocksandminerals4u.com/quartzite.html

http://www.rocksandminerals4u.com/gneiss.html