It is an imaginary column where are the ages of rocks sit on top of one another in their proper age sequence, oldest at the base and youngest at the top. An ideal sequence of rock layers that contains all the known fossils and rocks whith each sequence is given its name.
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Do you mean the difference between column and PILLAR?Column is the supporting pillar while pillar is a n ornamental column. Thus, pillar is a decorative while column provides the actual support.
A geological hot spot is where hot magma rises from the earth's mantle, which creates volcanic activity.
a column that has hade a gradual decrease in thickness because of weather or age.
Geologic column is an ordered arrangement of rock layers that is based on the relative age of the rocks. Geologic time is the time IN the geologic column.