Examlex
Which of the following symbols can be used to combine data from different columns into one column of output?
Superposition
A principle in geology that states in an undisturbed sequence of rocks, layers on the bottom are older than those above them.
Original Horizontality
A rule indicating that sediment layers are initially laid down in a horizontal manner due to the force of gravity.
Siccar Point
A location in Scotland famous for its unconformity, visible as an angular discordance between layers of sedimentary rock, demonstrating deep geological time and processes.
Unconformity
A surface of contact between two groups of unconformable strata, indicating a period of erosion or non-deposition in the geological record.
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