title: Geochemistry of porphyrins-reactions during diagenesis.
mesh_terms: D002734:Chlorophyll / Q000032:analysis; D002736:Chloroplasts / Q000032:analysis; D003300:Copper; D003653:Decarboxylation; D055593:Geological Phenomena; D005844:Geology; D006868:Hydrolysis; D008024:Ligands; D008274:Magnesium; D009532:Nickel; D009942:Organometallic Compounds; D010084:Oxidation-Reduction; D010788:Photosynthesis; D011166:Porphyrins / Q000032:analysis*; D011506:Proteins / Q000032:analysis; D011758:Pyrroles; D013696:Temperature; D013816:Thermodynamics; D014639:Vanadium
chemical_list: D008024:Ligands; D009942:Organometallic Compounds; D011166:Porphyrins; D011506:Proteins; D011758:Pyrroles; D014639:Vanadium; D002734:Chlorophyll; D003300:Copper; D009532:Nickel; D008274:Magnesium