1. 
   diagenesis
   All of the changes that occur to a fossil (or more generally any sediment) after initial burial; includes changes that result from chemical, physical as well as biological processes. The study of diagenesis is part of taphonomy.
   Found op http://www.ucmp.berkeley.edu/glossary/glossary_2.html
   
   
2. 
   diagenesis
   sum of all processes, chiefly chemical, by which changes in a sediment are brought about after its deposition but before its final lithification ... [6 related articles]
   Found op http://www.britannica.com/eb/a-z/d/41
   
   
3. 
   Diagenesis
   chemical, physical, or biological change undergone by a sediment after its initial deposition and during and after its lithification, exclusive of surface alteration (weathering) and metamorphism.
   Found op http://en.wikipedia.org/wiki/Glossary_of_geology
   
   
4. 
   Diagenesis
   In geology and oceanography, diagenesis is any chemical, physical, or biological change undergone by a sediment after its initial deposition and during and after its lithification, exclusive of surface alteration (weathering) and metamorphism. These changes happen at relatively low temperatures and...
   Found op http://en.wikipedia.org/wiki/Diagenesis
   
   
5. 
   Diagenesis
   All chemical, physical, and biological modifications undergone by a sediment after its initial deposition.
   Found op http://geology.er.usgs.gov/paleo/glossary.shtml
   
   
6. 
   diagenesis
   In geology, the physical, chemical, and biological processes by which a sediment becomes a sedimentary rock. The main processes involved include compaction of the grains, and the cementing of the grains together by the growth of new minerals deposited by percolating groundwater. As a whole, diagenes...
   Found op http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0006379.html
   
   

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