Jurisdiction(s):
United Kingdom

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Key definition

Extraction definition

What does Extraction mean? In database practice, extraction means taking data out of a database and transferring it elsewhere (for example by copying, downloading, exporting, printing, screen-scraping or migrating data). It is a statutory term: UK and Irish legislation define extraction as the permanent or temporary transfer of all or a substantial part of a database’s contents to another medium, by any means and in any form. database right infringement occurs where, without the maker’s or rightsholder’s consent, all or a substantial part is extracted. Repeated and systematic extraction of insubstantial parts can also infringe if it conflicts with the normal exploitation...

Mining: environmental impacts, occupational health and safety, and legal frameworks for waste, contamination, subsidence and remediation

Published by a LexisNexis Environment expert

Practice notes

Mining

Mining is the process of extracting valuable minerals and other geological resources from the earth. These resources include:

metals and ores—such as copper, uranium and gold; and
non-metals—such as coal, salt and gravel

Several mining techniques are utilised, including:

strip mining or open cast mining—which removes soil and rock by scraping, or with more forceful methods like blasting, to reach shallow deposits. This accounts for roughly 40% of the world’s coal mines
underground mining—where deeper deposits are extracted using various approaches, including:
- room and pillar mines
- longwall mines
in situ leach mining—where the targeted ore body is dissolved using chemical solutions and then pumped out, causing minimal disturbance at the surface
heap leaching—where metals, such as copper or uranium, are taken from ore through chemical reactions that bind to specific minerals, and are then re-separated after removal from other materials in the earth

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