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 Mattis: 5 Fast Facts You Need to Know. Marine Corps General James Mattis is being considered as a third-party candidate for the 2016 presidential election. Retired Gen. James Mattisâ name keeps appearing in conversations about the 2016 presidential election. First, people hoped the four-star general would run for the Republican nomination. Now his name is being floated around as a possible option if the Republican convention ends up being contested.