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Experimental Evidence for the Selective Dissolution and Overgrowth of Calcareous Nannofossils During Diagenesis
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1973
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EngineeringPaleoceanographyMarine ChemistryOceanographyChemistryEarth ScienceCold SeepsOceanic ScienceOceanographic ResearchOceanic SystemsBiophysicsMaterials ScienceMarine GeologyChemical OceanographyGsa Bulletin 1973America Gsa BulletinPhysical ChemistryGeologySedimentologyExperimental EvidenceGeochemistryMarine BiologyPaleoecologySelective DissolutionChemical KineticsCalcareous Nannofossils
Research Article| August 01, 1973 Experimental Evidence for the Selective Dissolution and Overgrowth of Calcareous Nannofossils During Diagenesis CHARLES G. ADELSECK, JR.; CHARLES G. ADELSECK, JR. 1Scripps Institution of Oceanography, La Jolla, California 92037 Search for other works by this author on: GSW Google Scholar GREGORY W. GEEHAN; GREGORY W. GEEHAN 1Scripps Institution of Oceanography, La Jolla, California 92037 Search for other works by this author on: GSW Google Scholar PETER H. ROTH PETER H. ROTH 1Scripps Institution of Oceanography, La Jolla, California 92037 Search for other works by this author on: GSW Google Scholar Author and Article Information CHARLES G. ADELSECK, JR. 1Scripps Institution of Oceanography, La Jolla, California 92037 GREGORY W. GEEHAN 1Scripps Institution of Oceanography, La Jolla, California 92037 PETER H. ROTH 1Scripps Institution of Oceanography, La Jolla, California 92037 Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (1973) 84 (8): 2755–2762. https://doi.org/10.1130/0016-7606(1973)84<2755:EEFTSD>2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation CHARLES G. ADELSECK, GREGORY W. GEEHAN, PETER H. ROTH; Experimental Evidence for the Selective Dissolution and Overgrowth of Calcareous Nannofossils During Diagenesis. GSA Bulletin 1973;; 84 (8): 2755–2762. doi: https://doi.org/10.1130/0016-7606(1973)84<2755:EEFTSD>2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Well-preserved samples of upper Pliocene calcareous nannofossil ooze were subjected to elevated temperatures and pressures in order to simulate diagenetic effects. The samples were then studied and compared to an untreated control sample using both a light microscope and a scanning electron microscope. The order of alterations, progressing from the original sample to the sample exposed to highest temperatures and pressures, was observed to be (1) minor etching and overgrowth formation; (2) continued etching and secondary overgrowth formation, and the disaggregation of the elements of smaller coccoliths; and (3) dominant overgrowth on whole coccoliths with particularly massive overgrowth formation on the discoasters. Diversity of the nannofossil assemblage decreased under increasingly severe conditions. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.