A steep-sided cone constructed of agglutinate at a maficvent. Most spatter cones are small (typically 10 m or less in height) and commonly form in linear groups along a fissure
U.S. Geological Survey, U.S. Department of the Interior, Volcano Hazards Program, Glossary, Washington, DC, USA 2011. http://volcanoes.usgs.gov/vsc/glossary/alluvium.ht ml, (ND/ Volc Emr - Amer) {795}