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Geofolks
Absolute Age (G for Geologic)

Absolute Age (G for Geologic)

It is usually measured in units of years; Also known as actual age.

 

Weathering (E for Exposed)

Weathering (E for Exposed)

Rocks are broken down or form new minerals through physical, chemical and biological processes

 

Relative Age (O for Older)

Relative Age (O for Older)

Rock age can be defined as younger or older than other geological materials or events.

 

Fault (F for Fault)

Fault (F for Fault)

This is a break within the rock, along which the blocks on either side slide past each other due to pressure.

Unconformity (O for uncOnformity)

Unconformity (O for uncOnformity)

Unconformity represents time missing from the depositional record due to erosion and non-deposition.

Igneous Rock (L for crystaL)

Igneous Rock (L for crystaL)

This is formed by the cooling and solidifying of magma or lava with different sizes of crystals.

Dyke (K for dyKe)

Dyke (K for dyKe)

Magma cuts across the weak lines of rocks near vertically and solidifies.

Sedimentary Rock (S for Sediment )

Sedimentary Rock (S for Sediment )

Sediments are deposited in a time sequence; the older sediments are settled first followed by younger layers on top.

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