Chapter 1: Macrofossil biozonation and chronostratigraphy of the Albian-Santonian
- Introduction
Location of sections
Methodology
- Biostratigraphic potential of inoceramids and ammonites
- Concepts of stage and substage boundaries
- Taphonomy and diagenesis: controls on abundance and simple
diversity of macrofossils
- Ammonite and inoceramid biostratigraphy of the Albian to Santonian of Colombia
Albian stage
Cenomanian stage
Cenomanian-Turonian boundary interval
Turonian stage
Turonian-Coniacian boundary interval
Coniacian stage
Santonian stage
- Conclusions
- References
Chapter 2: Lower Albian to Santonian foraminifer and radiolarian biostratigraphy of northwest South America: An integrated new microfossil-ammonite chronostratigraphy
- Introduction
- Foraminifer biostratigraphy with remarks
Albian
Cenomanian
Cenomanian-Turonian boundary interval
Turonian
Turonian-Coniacian boundary interval
T-C boundary of Colombia
Foraminiferal population analyses
Coniacian
Santonian
- Radiolarian biostratigraphy with remarks
Albian
Cenomanian
Turonian-Santonian
- Interpretation of paleoecology
- Discussion
- Conclusions
- References
APPENDIX 1: Ammonite and foraminifer biostratigraphic distribution based on literature compilation, MS-Excel data base, and Ammonite/Foraminifer bibliography.
APPENDIX 2: High-resolution analysis of the Cenomanian-Turonian boundary in Colombia: Evidence for sea-level rise, condensation and upwelling.
APPENDIX 3: Two new species of the bivalve Anomia from Colombia and Venezuela and the importance of the genus in recognition of the base of the Turonian.
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