neogenesis

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neogenesis

[¦nē·ō′jen·ə·səs]
(geology)
The formation of new minerals, as by diagenesis or metamorphism. Also known as neoformation.
References in periodicals archive ?
In contrast, neogenetic clays are usually oriented normal to grain surfaces and form isopachous coatings.
They also describe the following 3 characteristics of MI clays that were unrelated to the clay arrangement itself but could also be used to distinguish them from neogenetic clays:
K-ras gene point mutation in neogenetic lesions of subpleural fbrotic lesions: either an early genetic event in lung cancer development or a non-specific genetic change during the inflammatory reparative process.