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The Grand Canyon

Monument to an Ancient Earth

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Authors

Carol HillCarol Hill has been working in the Grand Canyon for over 18 years and has 18 published articles on the geology of the canyon in Science, Geomorphology, Journal of Hydrology, and Geosphere. Her specialty is caves and karst, and she is the author of Cave Minerals of the World, Geology of Carlsbad Cavern, and Geology of the Delaware Basin. She has been featured on NOVA and on National Geographic’s Naked Science program. Carol is a Fellow of the American Scientific Affiliation and has written a number of articles for Perspectives on Science and Christian Faith.
Gregg DavidsonGregg Davidson has been a professor in the Geology and Geological Engineering Department at the University of Mississippi for the last twenty years, and served as the department chair since 2013. He earned a B.S. in geology from Wheaton College, and a Ph. D. in hydrology from the University of Arizona, completing some of his research in the same radiocarbon lab that dated the Dead Sea Scrolls and the Shroud of Turin. He is an active writer and speaker on the subject of science and the Bible, with a book titled When Faith and Science Collide, and articles written for Modern Reformation, Christian Research Journal, and Perspectives on Science and Christian Faith.
Tim HelbleTim Helble recently retired from a hydrologist position at the National Weather Service. During part of his time in that agency, he forecast floods and water supply in the Colorado River and Great Basins. While obtaining his Masters degree at the University of Arizona, Tim held a seasonal hydrologist position at Grand Canyon National Park. Tim has been following the Young Earth Creationist movement since the late 1970s, and published an apologetics article on the Coconino Sandstone in Perspectives on Science and Christian Faith. He worked as a cartographer in the private sector and contributed many of the illustrations and photos in this book.
Wayne RanneyWayne Ranney is a geologist and trail guide based in Flagstaff, Arizona. He became interested in geology while working as a backcountry ranger at Grand Canyon National Park and later received his Bachelor’s and Master’s degrees from Northern Arizona University. He has subsequently worked as a geologic lecturer on shipboard expeditions in places such as Antarctica, Africa, the Amazon, and the North and South Poles. He is the author or co-author of eight books including Sedona Through Time, Ancient Landscapes of the Colorado Plateau, and Carving Grand Canyon, which has sold almost 30,000 copies and is now in its 2nd edition.
Joel DuffJoel Duff grew up among the rocks of western Colorado and Utah. He received his B.S. in biology from Calvin College and M.S. and Ph.D. in botany from the University of Tennessee in 1995, and he is currently a Professor of Biology at the University of Akron in Ohio. Joel has worked on numerous plant and animal systems using molecular methods to understand biological diversity. An author of more than 40 research articles, he has also published in Perspectives on Science and Christian Faith, is a speaker for Solid Rock Lectures (a science and faith ministry), and maintains a blog, Naturalis Historia where he writes about the intersection of science and faith.
David ElliottDavid Elliott trained in Europe before joining the Geology Department at Northern Arizona University, where he has been for 35 years, the last twenty-eight as a Professor. He is a paleontologist who has worked extensively in western North America, the Canadian Arctic, and Western Europe, and who has published more than 75 papers, a number of them on the paleontology of the Grand Canyon. He has also been the editor for the Journal of Vertebrate Paleontology and a number of books and symposium volumes. He is co-author of two sections in the popular book Grand Canyon Geology.
Stephen O. MoshierStephen O. Moshier discovered geology in high school during the Apollo explorations of the Moon and on an expedition to Philmont Scout Ranch in New Mexico. He has degrees in geology from Virginia Tech, Binghamton University and Louisiana State University, and has taught at Wheaton College since 1991. Steve’s research includes the sedimentology and oil reservoir properties of limestone, and geoarchaeology in Egypt and Israel. He is a fellow of the American Scientific Affiliation, an organization of Christians in the sciences, engineering and medicine. Steve contributes to a team-taught class at Wheaton College that introduces students to scientific and biblical perspectives on the origins of the universe, earth, and life.
Ralph StearleyRalph Stearley is a paleontologist with broad interests in the history of life. He received his B.A. in biological anthropology from the University of Missouri and M.S. and Ph.D. in geosciences with emphases on paleontology from the University of Utah and University of Michigan, respectively. He is Professor of Geology at Calvin College, where he has taught since 1992. His published research has included work on marine invertebrate ecology and paleoecology, fluvial taphonomy, the systematics and history of salmonid fishes, and Pleistocene mammalian biogeography. Together with Davis Young, Ralph co-authored a critique of flood geology, entitled The Bible, Rocks and Time, published by InterVarsity Press in 2008.
Bryan TappBryan Tapp is a structural geologist specializing in deformation mechanisms in carbonate rocks, and fold and fracture mechanics. He has applied his expertise to the analysis of fractured petroleum reservoirs, fractured aquifers, characterization of inversion systems, rock fabric formation, and fold dynamics. He has taught at The University of Tulsa for 30 years. He won the college teaching excellence award twice, and was named University Outstanding Professor in 2002. He currently serves as the Chairman of the Geosciences Department.
Roger WiensRoger Wiens is a planetary scientist and space adventurer who has worked at the University of California and Caltech, and is currently at Los Alamos National Laboratory. He was the flight payload lead for NASA’s Genesis mission which brought solar particles back to Earth in 2004. He is the principal investigator of the SuperCam and ChemCam laser instruments on two Mars rover missions. He has published over 125 papers on the Earth, Moon, Mars, Io, comets, and the Sun; an online book Radiometric Dating: A Christian Perspective; and Red Rover, a book about his work on the Mars Mission.
Ken WolgemuthKen Wolgemuth is a petroleum geologist with 35 years of experience in the oil industry. He received a B.S. in chemistry from Wheaton College and a Ph.D. in geochemistry from Columbia University. He managed book publications for the American Association of Petroleum Geologists, authored papers on oil reservoirs, and for the last 16 years, has taught oil industry short courses. He specializes in teaching geology to non-geologists, founded Solid Rock Lectures to communicate the geology of the Earth to pastors, and co-authored articles for the Christian Research Journal, and BioLogos. Ken is a Fellow of the American Scientific Affiliation.

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