by Kathleen Mark (Author) The scientific community has argued for decades over the origin of giant craters on the earth. In a highly readable fashion, Kathleen Mark recounts the fascinating detective story of how scientists came to recognize metorite craters, both ancient and relatively recent. Front Jacket The scientific community has argued for decades over the origin of giant craters on the earth. In a highly readable fashion, Kathleen Mark recounts the fascinating detective story of how scientists came to recognize metorite craters, both ancient and relatively recent. Author Biography Kathleen Mark has published articles on geological topics since the early 1970s, and in 1975 was a cowinner of the Nininger Award for a short work on meteorite craters. Number of Pages: 288 Dimensions: 0.77 x 9.22 x 6.08 IN Publication Date: November 27, 2002