Aragats (not to be confused with Ararat) is a large andesitic-to-dacitic
stratovolcano in NW Armenia.
It is located about 40 km NW of the capital city of Yerevan.
The 4095-m-high peak (the highest in Armenia) of Aragats has
been cut by glaciers.
Satellitic cones and fissures are located on all sides of
the volcano.
These were the sources of large lava flows that descended
to its lower flanks.
Potassium-Argon dating indicate that these are of mid- to
late-Pleistocene age.
The youngest flows have not been precisely dated, but probably
erupted between the end of the Pleistocene and 3000 BC (Kharakanian et al.,
2003).
The crater of the extinct volcano is 460m deep, 2km in length
and 1600m wide.
During the most recent Ice Ages, the crater became a glacial
cirque.
The following stamp was issued by Armenia on May 24th 1993.
The next shows wonderful columnar jointing of a deposit in
Gami Canyon
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