Glossary

Magnetic North

Direction of the northern hemisphere magnetic pole where the inclination of the Earth's magnetic field is 90º. It is where the Earth's magnetic field becomes concentrated. This point varies with time and creates difficulties with magnetic orientation tools in areas such as northern Canada, near the present Magnetic North Pole.

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About the glossary
This listing is not exhaustive or definitive, do not expect Oxford English Dictionary standards; it is aimed at those who need to understand basic principles and those that read reports on dipmeters and borehole images requiring some technical help to get the most from such documents.

We have attempted to make the descriptions and explanations generic, giving the glossary a wide application and appeal, with minimal, if any, commercial bias. If you spot any mistakes, omissions or any problems with the explanations, please do not hesitate to contact us, and we will try to accommodate your comments.

Acknowledgements
This listing has been derived by Task Geoscientists. All external sources are fully acknowledged.