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Scientists use a range of different methods to learn more about volcanoes.
It reviews the past volcanic history of Taupo, and explains the different types of eruptions that have occurred.
Introduction This booklet is designed to inform you about the volcanic hazards of the Taupo area.
Here I want to concentrate on another source of error, namely, processes that take place within magma chambers.
This provides a record of rock layers, the general landscape and where samples were collected.
Volcanologists often use a notebook to make sketches and record data when they are in the field, and they also use laptop computers and digital cameras.
These samples are analysed visually in the field and back in the laboratory to determine exactly what they are, what they are made of and how they may have been formed.
Everything we know about Taupo Volcano has come from studying the deposits of past eruptions, but our record of these deposits is incomplete.
The volcanologist’s standard tool is a rock hammer, which is used to chip off and collect samples from rocky outcrops.