Figure 1 Map of Sunset Crater (IMAGE) Geological Society of America Caption (A) Map of Sunset Crater volcanic deposit, including craters (cones), lava flows, and tephra deposit. Dashed line encloses area where tephra deposit is continuous and well preserved; in the area between the solid and dashed line, deposit is discontinuous or reworked (modified after Ort et al., 2008b). SFVF--San Francisco volcanic field. Credit Fabrizio Alfano et al. and GSA Bulletin Usage Restrictions Credit Fabrizio Alfano et al. and GSA Bulletin License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.