Kōrero: Rock and mineral names

Ignimbrite under the microscope (2 o 2)

Ignimbrite under the microscope

Ignimbrite consists mainly of glass fragments that were laid down when very hot, and partly welded together. In this piece of Ongatiti ignimbrite, small glass fragments are mixed with larger white crystals of quartz, which crystallised in the magma before it was ejected.

Te whakamahi i tēnei tūemi

University of Waikato

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Te tuhi tohutoro mō tēnei whārangi:

Simon Nathan, 'Rock and mineral names - Rocks named in New Zealand', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/photograph/9079/ignimbrite-under-the-microscope (accessed 21 January 2020)

He kōrero nā Simon Nathan, i tāngia i te 12 Jun 2006