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Author Scott Spoolman has picked 52 of the best geologic sites in the state to include in Wisconsin Rocks!, a new title in the state-by-state Geology Rocks! series.
Taking advantage of new technological advances in Quaternary geology and geomorphology, this volume showcases new developments in glacial geology. Honoring the legacy of Frank Leverett and F.B. Taylor's 1915 USGS monograph of the region, this book includes 12 chapters that cover diverse topics ranging from hydrogeology, near-surface geophysics, geotectonics, and vertebrate paleontology to glacial geomorphology and glacial history. Several papers make use of detailed but nuanced shaded relief maps of digital elevation models of LiDAR data; these advances are brought into historical perspective by visiting the history of geologic mapping of Michigan. Looking forward, interpretations of the shaded relief maps evoke novel processes, such as regional evolution of subglacial and supraglacial drainage systems of receding glacial margins. The volume also includes assessment of chronological issues in light of greater accuracy and precision of radiocarbon dating of plant fossils using accelerator mass spectrometry versus older techniques.
Photographer Bart Smith hiked the Ice Age Trail in four seasons, capturing stunning images for this book. Adding depth to his images are essays by notable and knowledgeable writers, telling us more about the natural history of the landscape and their personal engagement with it.
Hit the trail for a dramatic look at Wisconsin’s geologic past. The impressive bluffs, valleys, waterfalls, and lakes of Wisconsin’s state parks provide more than beautiful scenery and recreational opportunities. They are windows into the distant past, offering clues to the dramatic events that have shaped the land over billions of years. Author and former DNR journalist Scott Spoolman takes readers with him to twenty-eight parks, forests, and natural areas where evidence of the state’s striking geologic and natural history are on display. In an accessible storytelling style, Spoolman sheds light on the volcanoes that poured deep layers of lava rock over a vast area in the northwest, the glacial masses that flattened and molded the landscape of northern and eastern Wisconsin, mountain ranges that rose up and wore away over hundreds of millions of years, and many other bedrock-shaping phenomena. These stories connect geologic processes to the current landscape, as well as to the evolution of flora and fauna and development of human settlement and activities, for a deeper understanding of our state’s natural history. The book includes a selection of detailed trail guides for each park, which hikers can take with them on the trail to view evidence of Wisconsin’s geologic and natural history for themselves.