description Kohuora Overview
Kohuora is a volcanic tuff cone in Papatoetoe, in the Auckland urban area of New Zealand. It formed through explosive interaction between rising magma and groundwater and is one of the volcanic landforms of the Auckland Volcanic Field. Part of the cone was quarried for construction aggregate, while the remaining landform is protected as a geological feature.
help Kohuora FAQ
What is Kohuora?
Kohuora is a volcanic tuff cone in Papatoetoe, within Auckland's urban area in New Zealand. It formed as rising magma interacted explosively with groundwater.
How did Kohuora form?
The cone formed through a phreatomagmatic eruption, meaning rising magma met groundwater and produced explosive activity. This process created a deposit of volcanic tuff around the vent.
Where is Kohuora located?
Kohuora is located in Papatoetoe, Auckland, New Zealand. It is one of the volcanic landforms of the Auckland Volcanic Field.
Was Kohuora damaged by quarrying?
Part of the cone was quarried for construction material. That extraction altered the original volcanic landform, although Kohuora remains a recognized feature of Auckland's volcanic field.
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