Sedimentary
Rocks
Rocks
What is the first step in making Sandstone
Erosion
Name a type of Metamorphic rock
phyllite, schist, gneiss, quartzite, marble
Where do extrusive rocks form?
On Earths surface
Where do Intrusive rocks form?
Deep underground
What is the main material that forms coal?
Plant material
What builds up over time to form Sedimentary Rocks?
Sediment
Metamorphic Rocks go through what process to become Metamorphic
Metamorphism
Explain the formation of these rocks
Extrusive rock refers to the mode of igneous volcanic rock formation in which hot magma from inside the Earth flows out onto the surface as lava or explodes violently into the atmosphere to fall back as pyroclastics or tuff.
Most common type of Intrusive Rock on the land?
Granite is the most common intrusive rock on the continents
Coal is the main energy source in the world to proceed electricity? True or False?
True!
How can a Sedimentary Rock be destroyed?
Erosion and weathering include the effects of wind and rain, which slowly break down large rocks into smaller ones.
What does the term Metamorphic mean?
To change form (Morph means to change)
Most of the earth's crust is made out of igneous rock
true or false
True
How are intrusive rocks formed?
Intrusive, or plutonic, igneous rock forms when magma is trapped deep inside the Earth. Great globs of molten rock rise toward the surface.
Is coal a renewable energy source? Explain your answer.
It is classed as a non-renewable source even though it can be created it takes hundreds of millions of years to create. Thus it is a non-renewable source of energy.
Why are sedimentary rocks important in Earths timeline?
Sedimentary rocks tell us what the Earth's surface was like in the geologic past
What two factors change Metamorphic Rocks
Pressure and Heat
The oldest whole rocks found so far date back about 4.28 billion years
Name three types of Intrusive rocks
Arkose, Standstone, Granite, Gabbro, Diorite and Dunite.
When did coal mining begin?
In the 1880s
Friedrich Mohs
3.8 Billion years ago these rocks were discovered
How would you identify an Igneous rock
Igneous rocks can be easily identified with their texture, density, color, and mineral composition
The most common intrusive rock found in the ocean is?
Gabbro is the most common intrusive rock in oceanic crust.
What is the name of the biggest coal mine in Australia?Where is this mine located?
Peak Downs coal mine,