The following is a process describing how a parasitic cone is formed.
(i) When pressure reduces,it causes the magma from the interior of the earth to fail to reach the top of the volcano.
(ii) The upper part of the main vent of the volcano is blocked.
(iii) Pressure builds up and magma escapes through a side vent.
(iv) The successive outpouring of magma through the side vent builds alternate layers of ash and lava to form a conelet on the side of the composite volcano.
maurice.mutuku answered the question on June 5, 2017 at 11:30
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