BP Gulf of Mexico Neogene Astronomically- Tuned Time Scale (BP GNATTS)
BP Gulf of Mexico Neogene Astronomically-tuned Time Scale BP Gulf of Mexico Neogene Astronomically- tuned Time Scale (BP GNATTS) J.A. Bergen1, S. Truax III2, E. de Kaenel3, S. Blair4, E. Browning5,†, J. Lundquist6, T. Boesiger7, M. Bolivar5, and K. Clark5 1Paleo at the Hill Country, Brenham, Texas 77833, USA 2Houston, Texas 77070, USA 3DeKaenel Paleo Research, Mont-sur-Rolle, Switzerland 4Blair Biostratigraphy, Cypress, Texas 77429, USA 5BP America, 200 Westlake Park Blvd., Houston, Texas 77079, USA 6Lundquist Stratigraphic, LLC, Houston, Texas 77065, USA 7Nebraska Oil and Gas Conservation Commission, Sidney, Nebraska 69162, USA ABSTRACT This step change in Neogene resolution, now sponse to exploration focus (Martin, 2013). To- at the level of cyclostratigraphy (the orbital day, planktonic foraminifera and nannofossils This paper introduces an integrated Neo- periodic ity of eccentricity) and the magneto- are the primary groups used for time correla- gene microfossil biostratigraphic chart de- stratigraphic chron, demonstrates the poten- tion in deep water wells and the construction of veloped within post-merger BP for the Gulf tial for calcareous microfossil biostratigraphy global Cenozoic timescales. Integrated Gulf of of Mexico Basin and is the first published to more consistently reinforce correlations of Mexico (GoM) industrial biostratigraphies and industrial framework “fully-tuned” to or- these time scale parameters. The integration published global biozonations utilizing these bital periodicities. Astronomical-tuning was of microfossil disciplines, consistent taxono- two planktonic groups date back half a century, accomplished through a 15-year research mies, and rigorous analytical methodologies near the inception of a research coring program program on the Ocean Drilling Program’s are all critical to obtaining and reproducing in the world’s deep-sea basins (Deep Sea Drill- (ODP) Leg 154 sediments (offshore NE Bra- this new level of biostratigraphic resolution.
[Show full text]