Chapter 12: Model Development and Methodology
This chapter focuses on the development of mathematical models of geologic
structures. In particular we consider the idealization of observed structures
and the selection of general boundary conditions for model development.
We begin by describing how G. K. Gilbert idealized the laccolithic intrusions
in the Henry Mountains of southeastern Utah (Gilbert, 1877). The frontispiece
for this chapter (see above) is an oblique aerial photograph of the eastern
flank of Mt. Hillers showing the laccolithic intrusion at Black Mesa (background)
and the Maiden Creek sill (foreground). At the end of this chapter we
present a methodology for the practice of structural geology that summarizes
the underlying concepts utilized throughout this textbook.