The Auckland Volcanic Field

Roughly how many volcanoes are there in Auckland?

• 40

• 30

• 50

• 60

What is a maar?

• a low lying volcanic crater

• a volcanic crater made of scoria

• a volcano that only erupts once every 500 years

• a very tall and round volcanic crater

Which of these is NOT a common volcanic feature found in Auckland?

• maar

• phreatomagmatic eruption

• scoria cone

• tuff ring

What do we call a volcanic eruption that comes into contact with water?

• volcanic eruption

• steam eruption

• phreatomagmatic eruption

• water eruption

Which of these Auckland volcanoes did we NOT visit on our trip?

• Rangitoto

• Puhinui Craters

• Mangere Mountain

• Maungakiekie

What type of volcano is Mangere mountain?

• scoria cone

• maar

• tuff ring

• tuff ring and maar

What does scoria look like?

• red

• red, with lots of holes from escaped gases

• black and solid

• black, with lots of holes from escaped gases

A ___________ lies beneath Auckland, creating the volcanic activity that has formed this city.

• hotspot

• magma chamber

• tectonic plate

Natural and cultural features are the same

• True

• False

Changes made to volcanoes by people are a part of external processes.

• True

• Fasle