19 Oct
2015
19 Oct
'15
5:15 p.m.
Cleveland is a stratovolcano, composed of layers of pyroclastic flows, lava, and tephra (ash). Its chemical composition is dominantly basaltic andesite. -------- Katherine M Warren wrote: What type of rock is Mt. Cleveland and what type of lava is it? -- Cheryl Cameron Geologist, Alaska Volcano Observatory Alaska Division of Geological & Geophysical Surveys voice: 907-451-5012 fax: 907-451-5050