Flower Structure

Definition - What does Flower Structure mean?

Flower Structure is a series of vertical faults that are sub-parallel to a parent fault. These faults are associated with strike slip faults. It is named so because it resembles the structure of the petals of a flower. Converging crust forms a positive Flower Structure whereas diverging crust forms a negative Flower Structure. The identification of the structures can be categorized on different segments of the same fault. Thus, it is also called indicators of strike slip faults.

Petropedia explains Flower Structure

A series of faults that produces a structure in the cross section is known as a Flower Structure. These faults are generally developed along with minor restraining bends on a right-lateral strike slip fault. The overall geometry forms two structures, i.e., transpressional and transtentional structures. The concave upwards fractures are also called negative or tulip flower structures that are present in transtentional atmosphere. The convex upwards fractures are also called palm or positive structures that are present in transpressional atmosphere. All the faults tend to join downwards on a single strand thus they form a shape called a Flower Structure.

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