The International Subcommission for Paleogene Stratigraphy announces the publication of the Atlas of Oligocene Planktonic Foraminifera, proposing a clear and workable taxonomy for all Oligocene planktonic foraminifera. The work includes the acquisition of new SEM images of holotypes and paratypes, some of which have never been imaged before, and assesses the distribution, stratigraphic ranges and […]
Category Archives: Chattian News
Focus on the Paleogene with the third issue of the year of Newsletter in Stratigraphy, published on May 1st. The host editors Simonetta Monechi, Noël Vanderberghe and Laia Alegret introduce the volume with an editorial on “Advances in Paleogene research”, followed by six original papers on several topics of interest for the stratigraphy of this […]
GSSP for Chattian Stage (Oligocene) Definition: The GSSP for the base of the Chattian Stage is the HCO of Chiloguembelina cubensis, lying at meter level 197 in the Monte Cagnero section (SW of Urbania city, Marche Region, Central Italy), in the upper part of the calcareous nannofossil NP24 Zone, in the lower part of dinocyst […]
In the presence of Stan Finney, Secretary General of the International Union of Geological Sciences (IUGS), institutional and academic authorities, among which Rodolfo Coccioni coordinator of the Chattian working group, together with students and local people, have attended the Official launch of the GSSP of the Chattian Stage (Oligocene Series), hosted by local, regional and […]
Ceremony for Golden Spike of the Global Stratotype Section and Point of the base of the Chattian Stage May 13, 2017 After years of work, it is with great pleasure that we finally announce that the International Commission of Stratigraphy (ICS) approved, ratified in September 2016 by the International Union of Geological Sciences (IUGS) at […]
A proposal for the definition of the GSSP for the base of the Chattian was submitted, and voted and accepted by 95% of the voting members. The proposal, after correction of a few remarks made by the voting members has been submitted to ICS, for approval during the next IGC 2016.