Send a comment on this item to LII: Send a comment on this item to LII staff, who on weekdays will usually reply within 24 hours. Geology.com Material about geology and earth sciences, including maps and discussions of a wide variety of topics (such as meteor impact craters, rebuilding New Orleans, and waterfalls of the United States). Also includes a dictionary, an overview of geologic time, a mineral identification chart, materials for each state, and links to sites with geology jobs, geology news, and related material. Note: Includes some commercial matter. From a geology professor at Mansfield University, Pennsylvania. http://geology.com Asterisk * indicates required field. Your Name Your Email Address * We will not sell or provide your email address to anyone else. Comment * Enter the verification code as it is shown in the box below. This helps prevent automated submissions. *