Formation of Fossil Fuels
First thing needed for Fossil Fuels to form
What is the decomposition of plant & animal remains
Technique of extracting coal or minerals from the earth's
What is mining
These small pieces of rock, sand, and other material can build up in layers.
What is Sediment
This process breaks rocks into smaller pieces.
What is weathering?
Name of layer that forms after dead tress, dead creatures, and plants decompose on swampy forest floors
What is peat layer
Type of rocks that fossil fuels are found in
What is sedimentary rock
This process presses layers of sediment together under the weight of layers above them.
What is compaction
This process carries sediment from one place to another.
What is erosion
The type of rock fossil fuels are found in
What is sedimentary rock
Fossil fuels have been forming for how long?
millions of years
This process occurs when dissolved minerals act like glue, joining sediment grains together.
What is cementation
This process happens when moving water, wind, or ice drops sediment in a new place.
What is deposition
The process of forming coal
What is dead animals & plants ► formation of peat layer ► mud and sand deposits cover the layer ► sedimentary rock is formed ► peat hardens and coal is made
These huge machines drill for oil in the ocean
What is oil rigs
When water freezes in a crack and expands, it can cause _________ to break rock apart.
Weathering
These two processes work together to turn loose sediment into sedimentary rock: layers are pressed together, then minerals bind the grains.
Compaction and cementation
The formation of oil and gas
What is decomposition of dead plants & animals► formation of peat layer ► mud and sand deposits cover the layer ► sandstone rock is formed ► oil and gas fill in pores between rock particles
This type of fossil fuel is found deepest underground
What is natural gas
As sediment is pressed together, this process reduces the spaces between its grains.
The weight of layers above sediment helps cause this process.
Compaction