The mountain-like mounds that we associate with volcanoes are what remain after the material spewed during eruptions has collected and hardened around the vent. This can happen over a period of weeks or many millions of years.
"Amazing photo of Mount Ararat, Turkey". except, Mount Ararat has been dormant for at least years Millenium, B. This is a photo manipulation by Sako Tchilingirian. The ash cloud is from a Chilean volcano.
NASA Solar Dynamic Observatory's ultra-high definition view of Venus, black dot at top center, passing in front of the sun on Tuesday, June The next transit of Venus won't occur for another 105 years (NASA/Solar Dynamic Observatory/AP)