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diagenesis

[dahy-uh-jen-uh-sis] /ˌdaɪ əˈdʒɛn ə sɪs/
noun, Geology
1.
the physical and chemical changes occurring in sediments between the times of deposition and solidification.
Origin
1885-1890
1885-90; < New Latin; see dia-, -genesis
Related forms
diagenetic
[dahy-uh-juh-net-ik] /ˌdaɪ ə dʒəˈnɛt ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for diagenesis
  • The later stages of diagenesis occurred during relatively deep burial and often exploited preexisting pathways.
British Dictionary definitions for diagenesis

diagenesis

/ˌdaɪəˈdʒɛnɪsɪs/
noun
1.
the sum of the physical, chemical, and biological changes that take place in sediments as they become consolidated into rocks, including compaction and cementation, but excluding weathering and metamorphic changes
2.
(chem) recrystallization of a solid to form large crystal grains from smaller ones
Derived Forms
diagenetic (ˌdaɪədʒəˈnɛtɪk) adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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diagenesis in Science
diagenesis
  (dī'ə-jěn'ĭ-sĭs)   
The process by which sediment undergoes chemical and physical changes during its lithification (conversion to rock). Compaction, leaching, cementation, and recrystallization are all forms of diagenesis. Erosion and metamorphism are not. Oil, gas, and coal form through the diagenesis of organic sedimentary matter.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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