Geology of the Florida Keys, by Eugene A. Shinn and Barbara H. Lidz. University Press of Florida. 160 pages. Hardcover $34.95.
How did the Florida Keys come into existence? What forces continue to work upon this island chain and the countless neighboring coral reefs? What threatens these geological marvels? Such broad questions and many narrower ones are explored and tentatively answered in this handsome volume. Although the study attempts to be “as nontechnical as possible,” it is nonetheless a major challenge even for the committed student who has at least a general background in geology.
The authors do not attempt a full geological history of the processes leading to the present situation; however, most readers will be content with engaging only the last 130,000 years!
Before the hard science begins, readers are presented with a multifaceted overview of the Keys. This synopsis includes social history, scientific interest and research, demographic change, freshwater intrusions on the environment, and the short-lived period of oil exploration.
Then the authors plunge into the intricate and interactive processes, particularly how the shifts in sea elevation and movement affect the sedimentary activity. The formation and character of limestone is the key factor in understanding the geology of the Keys.
The chapter on data gathering and mapmaking is filled with interesting details about data collection and the technology of measuring structural characteristic by using explosives, bursts of air, and high voltage pulses. In this chapter readers will also find a detailed definition of “what is a reef?”
The following chapter examines “Major Geomorphic Topographies,” include the area known as White Bank. Throughout, the effects of rising sea levels over time is discussed and regularly underscored.
The next two chapters engage, respectively, the “Western Terminus of the Reef Tract” and, of great interest for future planning, “Coral Health, or Lack Thereof.” In the latter, the authors examine the various factors affecting climate change and the likely outcomes to the keys and reefs of such change.
A final chapter reproduces a geological/biological field trip, setting a model for hands-on experience that productively interfaces with studying professional scientific literature. . . .
To read the full review, as it appears in the February 8, 2018 Naples Florida Weekly, click here: Florida Weekly – Geology of the Florida Keys