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Ignimbrite, Andesite, Basalt, Rhyolite
Basalt is one example.
or perhaps a lava flow or an ignimbrite.
Pinatubo is surrounded largely by ignimbrite, formed from enormous pyroclastic flows.
igneous rock
answ2. Volcanic bombs, volcanic ash, pumice, ignimbrite.
A pyroclastic eruption, involving a viscous magma, typically of rhyolitic or andesitic type. An ignimbrite is the deposit of a pyroclastic density current, or pyroclastic flow.