%0 Journal Article %A Cresta, Stefano %A Basilici, Giorgio %A Bussoletti, Andrea %A Comas Rengifo, María José %A Elmi, Serge %A Fernández López, Sixto Rafael %A Ferretti, Alberto %A Goy Goy, Antonio %A Henriques, María Helena Paiva %A Kälin, Otto %A Jiménez Jiménez, Antonio Pablo %A Martínez Gutiérrez, Gemma %A Sandoval Gabarrón, José %A Ureta Gil, María Soledad %A Venturi, Federico %T Relazione sul Workshop «Paleontologia e biostratigrafiadei sedimenti ammonitiferi toarciano-bajociani in successionidi alto morfostrutturale dell' Appennino umbro-marchigiano:l'area di Monte Nerone. Correlazioni con altre regionidella Tetide occidentale». (Piobbico, 2-14 agosto 1993) %D 1993 %@ 0366-2241 %U https://hdl.handle.net/20.500.14352/58517 %X This report is the synthesis of the field workand discussions held during the workshop «PaIaeontology andbiostratigraphy of Toarcian-Bajocian Pelagic Carbonate PIatformsammonitiferous sediments of umbro-marchean Apennines:the Monte Nerone area. Correlations with other westernTethys regions» (Piobbico, CentraI ItaIy, august 2-14, 1993).It presents a preliminary proposition of biohorizons forrock correlation in the investigated area, following the proposaisof Italian Commission on Stratigraphy on definition ofbiostratigraphic units.The sampied «body of rock strata» consists on 113 beds,25,60 metres thick, where 30 biostratigraphic surfaces (biohorizons)has been recognized. %~