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The formation of a fossil from the remains of an organism by the replacement of its tissues by minerals.

per·min′er·al·ize′ v.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
Hard tissues are preserved through the process of permineralization, in which dissolved minerals from groundwaters seep into the interstices of the organic hard parts.
It is unclear whether this axis was permineralized at a different site and subsequently reworked into the channel, or whether permineralization took place in the host channel itself.