Interpretive map and guide to the volcanic geology of Chiricahua National Monument and vicinity, Cochise County, Arizona (SuDoc I 19.91:I-2541) Grand Canyon ISBN: 978-0-607-07166-5

ISBN: 978-0-607-07166-5

Lee Spring

Camping/Rest Areas

UPC 820644000361

Interpretive map and guide to the volcanic geology of Chiricahua National Monument and vicinity, Cochise County, Arizona (SuDoc I 19.91:I-2541) Grand Canyon ISBN: 978-0-607-07166-5Nearly 27 million years ago, what is now eastern Cochise County, Arizona, exploded into a cataclysmic, volcanic eruption. More than 100 cubic miles of magma surged high into the atmosphere before collapsing to form pyroclastic flows of ash and pumice that thickly blanketed 1,200 square miles. The authors recount the remarkable history of the Chiricahua Mountains using an interpretive map and guide complete with geologic map, 11 pictures of prominent