Cinder cone volcanoes are steep, cone-shaped volcanoes built from lava fragments called 'cinders.' These volcanic cinders, also known as ' scoria ,' are glassy volcanic fragments that explode from the volcano and cool quickly, building up the sides of the cinder cone volcano fairly quickly.
Retired Marine Gen. James Mattis has been chosen to be secretary of defense by President-elect Donald Trump, according to people familiar with the decision. (Jenny Starrs/The Washington Post) By Dan Lamothe By Dan Lamothe December 1, 2016. President-elect Donald Trump said Thursday he has chosen retired Marine Gen. James N. Mattis, who has said that responding to âpolitical Islamâ is the major security issue facing the United States, to be secretary of defense.
Gen. James N. Mattis (Getty Images) United States Marine Corps Gen. James âMad Dogâ Mattis was notified that he was being replaced as commander of U.S. Central Command not by a phone call from Washington, but by a note passed to him by an aide, according to Foreign Policyâs Thomas E. Ricks. From Ricksâ report: