The Ash Cone of Mount Meru, the topographic centrepiece of Arusha National Park.
2.
Well-preserved features suggests a recent date for this cone and a nearby ash cone.
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Some deposits appear to be associated with dark elongated ash cones, reinforcing the idea of pyroclasts.
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It is a very basic ash cone perhaps a hundred metres high, and the base of the crater does not extend below the water table, so there is no crater lake as with those at Mount Gambier.
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A "'tuff cone "', sometimes called an "'ash cone "', is a small monogenetic volcanic cone produced by palagonitized, by either its interaction with groundwater or when it was deposited warm and wet.
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A "'fissure vent "', also known as a "'volcanic fissure "'or "'eruption fissure "', is a linear volcanic vent through which lava erupts, usually without any spatter resp . ash cones and may concentrate on one or some of them.
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