Umbria Marche Basin Central Italy A Reference Section-Books Pdf

Umbria Marche Basin Central Italy A Reference Section
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stones and calcareous marlstones, together with dark gray to black. organic carbon rich shales usually, with a low carbonate content and. yellowish gray to light gray marly 0 95 4 91 m, limestones and lime stones Fig 2. Several distinctive organic rich, black shale and marl marker beds. occur within the Aptian Albian, interval some of which have been.
identified as the regional sedimen 22 77 24 74 m, tary expression of OAE1a to OAE1d. Coccioni et al 1987 1989 1990, Coccioni 1996 2001, Following the timescale of Ogg. et al 2008 the sediment accumu, lation rate is estimated to be. 0 24 cm kyr 1 and 0 5 cm kyr 1 in, the Aptian and Albian respectively. 54 63 54 88 m, Drilling Site Location and 57 07 60 01 m.
Drilling Operations 62 64 63 02 m, The Poggio le Guaine succession 62 44 67 52 m. was selected as the reference sec, tion for the Aptian Albian interval. following previous detailed strati, graphic investigations Coccioni et 79 31 79 37m. al 1987 1989 1990 Coccioni, 1996 88 00 88 20m, 89 24 91 19m. The Poggio le Guaine drill, site lat 43 32 42 72 N long.
12 32 40 92 E is located on the Figure 2 Stratigraphic framework of the Poggio le Guaine core with real stratigraphic depths. according to bed dip measurements Also shown are the occurrence and distribution of the. Monte Nerone ridge at 888 m above organic rich black shales including the marker beds resulting from Oceanic Anoxic Events OAEs. sea level 6 km west of the town and the discrete intervals where reddish colored beds become dominant Cretaceous Oceanic. Red Beds CORBs Integrated plankton biostratigraphy is adapted after Coccioni et al 1987. of Cagli Regione Marche Italy 1989 1990 1992 2007 Erba 1988 1992 Tornaghi et al 1989 Tiraboschi et al 2009 and. Fig 1 The outcropping beds show unpublished data Abbreviations Lithos Lithostratigraphic Barr Barremian Cen Cenomanian. a strike of 310 and a dip of 30 to H Hedbergella L Leupoldina G Globigerinelloides P Paraticinella Ps Pseudoplanomalina. T Ti ci n e lla B B itici n e lla P st h Ps e ud oth al m a n ni n e lla P t h Pa rath al m a n ni n e lla. the northeast Th Thalmanninella C Chiastozygus Pa Parhabdolithus N Nannoconus Pr Predicosphaera. A Axopodorhabdus R Rhagodiscus E Eiffellithus Timescale is after Ogg et al 2008. Following Huber and Leckie 2011 the Aptian Albian boundary is placed at the highest occurrence. The drilling campaign took place of Paraticinella eubejaouaensis. on 1 14 September 2010 Drilling, operations were performed with the Atlas Copco Mustang core repository of the Department of Earth Life and. 5 F4 surface core drilling rig Fig 3 Coring was accom Environmental Sciences University of Urbino. plished with a T2 double corer using narrow kerf sawtoo. thed drill bits that cut a 10 1 cm diameter hole and approxi The Poggio le Guaine cored interval extends from the. mately 8 cm diameter cores The target interval was Albian Cenomanian boundary down to the uppermost. successfully encountered below the weathering zone which Barremian including the upper transition to the Scaglia. is only a couple of decimeters thick Lithologies were logged Bianca Formation and the lower transition to the Maiolica. and digital color photographs taken as each core section Formation The total length of the core is 98 72 m with essen. was recovered Fig 4 Later the seventy one cores drilled tially 100 recovery of excellent quality material throughout. were packed labeled and put in PVC plastic boxes to prevent the drilling For each core a set of dip measurements was. contamination and loss of moisture During core packing taken directly at the drill site with four measurements on. care was taken in collecting the fragments from the few frac average for each meter of core Marked changes of dip angle. tured portions in plastic bags The entire core is stored at the were observed in the uppermost and lowermost portions of. Scientific Drilling No 13 April 2012 43, Progress Reports. the core the latter particularly affected by folding and minor In agreement with previous detailed stratigraphic investi. faulting Taking into account the dip measurements the cor gations from Aptian Albian land based sections throughout. rected thickness of the drilled section is 96 02 m with the UMB Coccioni et al 1987 1989 1990 1992 Cresta et. 82 53 m corresponding to the Marne a Fucoidi Formation al 1989 Coccioni and Galeotti 1993 Coccioni 1996 2001. 3 51 m corresponding to the underlying Maiolica Formation 2002 and from an 84 m thick core drilled at Piobbico. and 9 98 m corresponding to the overlying Scaglia Bianca Fig 1 in 1982 and extending from the upper Albian down to. Formation Fig 2 the uppermost Barremian Erba 1988 1992 Tornaghi et al. 1989 the cored succession biostratigraphically represents. Litho Bio and Chronostratigraphy of the the interval from the Hedbergella excelsa to the base of the. Poggio le Guaine Core Thalmanninella globotruncanoides planktonic foraminiferal. zones and from the Chiastozygus litterarius NC6 to the. On the basis of dominant colors determined with the Eiffellithus turriseiffelii NC10 calcareous nannofossil. Munsell Rock Color Chart the pattern of alternating colors zones Accordingly from a chronostratigraphic point of view. the calcium carbonate content the occurrence of black the Poggio le Guaine core encompasses the latest Barremian. shales chert and radiolarian rich beds and by direct com to earliest Cenomanian interval Fig 2. parison with previous results from an adjacent outcrop. Coccioni et al 1987 1989 1990 the Poggio le Guaine core Objectives. was subdivided into twenty three lithological units which. are recognizable on a regional scale Coccioni 1996 Fig 2 The Poggio le Guaine core which can be considered as a. Unit 1 to part of Unit 4 corresponds to the Scaglia Bianca reference section for the Aptian Albian interval at low lati. Formation and part of Unit 4 to the upper part of Unit 23 tudes is designated by a consortium of Italian and Brazilian. corresponds to the Marne a Fucoidi Formation The Maiolica researchers to provide high ranking informative records for. Formation is equated with most of Unit 23 that critical time interval through high resolution multi. proxy studies The studies already in progress include inte. A total of two hundred forty organic rich black shales and grated stratigraphic and sedimentological analyses multi. marls millimeters to decimeters thick is recorded in the disciplinary magneto bio and chemostratigraphy as well. cored sequence These layers are not evenly distributed as clay and organic geochemistry investigations. throughout the core They are frequent to common in Units. 2 5 to 7 9 to 15 22 and 23 that are dominated by lithotypes The data set collected will supply the framework for the. that are pale olive to grayish olive and yellowish gray to light following three activities 1 Computing a high resolution. gray and occasionally by pale olive and pale reddish brown magnetostratigraphy in particular a relative paleointensity. to dark reddish brown Fig 2 Some of these organic rich reference curve for the Aptian Albian interval of the long. beds record OAE1a to OAE1d namely the lower Aptian Selli normal Cretaceous superchron will allow correlation of rela. Level OAE1a 124 Ma the uppermost Aptian Jacob Level tive paleointensity curves from other places in the world 2. the lowermost Albian Kilian Level the lower Albian Monte A unique and original age model can be built up at. Nerone Level and the Urbino Level all added to OAE1b high resolution and using absolute dating and astronomical. 110 113 Ma the upper Albian Amadeus Segment equiva tuning Into this the sequence of the geological biogeoche. lent to part of OAE1c 105 Ma and the uppermost Albian mical oceanographic and climatic events that are recorded. Pialli Level OAE1d 100 5 Ma Some others are interpre throughout the Aptian Albian critical time can be placed 3. ted as regional equivalents The causal linkages as well as their consequences among. of widely distributed these events can be defined, OAEs namely the lower. Aptian Noir Level and the Acknowledgments, middle to upper Aptian. Fallot Level Herrle al The Poggio le Guaine core is an integral part of the. 2004 Figs 2 4 Magnetic Anomaly of Relative Intensity for the Aptian. MARIA project Coring was funded by Petr leo Brasileiro. Seven discrete inter S A Petrobras The Universit Agraria di Secchiano Cagli. vals dominantly reddish Regione Marche Italy generously granted access and faci. are also recognized in the litated drilling We warmly thank Glen Hill Thomas. cored sequence which Wiersberg Mika Saido and the Editor Kevin Johnson for. correlate well with those their helpful comments, identified as ORBs in the.
Aptian Albian succession, of the UMB Hu et al, Figure 3 Drilling operations at Poggio. le Guaine 2005 Fig 2, 44 Scientific Drilling No 13 April 2012. A References, Arthur M A and Premoli Silva I 1982 Development of widespread. organic carbon rich strata in the Mediterranean Tethys In. Schlanger S O and Cita M B Eds Nature of Cretaceous. Carbon Rich Facies San Diego Academic Press 7 54, Arthur M A Jenkyns H C Brumsack H J and Schlanger S O. 1990 Stratigraphy geochemistry and paleoceanography of. organic carbon rich Cretaceous sequences In Ginsburg. R N and Beaudoin B Eds Cretaceous Resources Events. and Rhythms NATO ASI Ser 304 Dordrecht Netherlands. Kluwer Acad 75 119, Coccioni R 2002 Stop 5 The proposed global boundary stratotype.
section and point GSSP for the Barremian Aptian bound. ary at Gorgo a Cerbara In Santantonio M Ed General. Field Trip Guidebook 6th International Symposium on the. Jurassic System 12 22 September 2002 Palermo, Coccioni R 1996 The Cretaceous of the Umbria Marche Apennines. Central Italy Jost Wiedmann Symposium on Cretaceous. Stratigraphy Paleobiology and Paleobiogeography T bingen. 7 10 March 1996 129 136, Coccioni R 2001 The Pialli Level from the latest Albian of the. C Umbria Marche Apennines Italy Federazione Italiana di. Scienze della Terra Geoitalia 2001 192 193, Coccioni R and Galeotti S 1993 Orbitally induced cycles in ben. thonic foraminiferal morphogroups and trophic structures. distribution patterns from the Late Albian Amadeus. Segment Central Italy J Micropaleontol 12 227 239, doi 10 1144 jm 12 2 227. Coccioni R Erba E and Premoli Silva I 1992 Barremian Aptian. calcareous plankton biostratigraphy from the Gorgo a. Cerbara section Marche Central Italy and implications. for plankton evolution Cret Res 13 517 537, D doi 10 1016 0195 6671 92 90015 I.
Coccioni R Franchi R Nesci O Wezel F C Battistini F and. Pallecchi P 1989 Stratigraphy and mineralogy of the Selli. Level Early Aptian at the base of the Marne a Fucoidi in. the Umbro Marchean Apennines Italy In Wiedmann J, Ed Cretaceous of the Western Tethys Proceedings 3rd. International Cretaceous Symposium Stuttgart E, Schweizerbart sche Verlagsbuchhandlung 563 584. Coccioni R Franchi R Nesci O Perilli N Wezel F C and. Battistini F 1990 Stratigrafia micropaleontologia e min. eralogia delle Marne a Fucoidi delle sezioni di Poggio le. E Guaine e del Fiume Bosso Appennino umbro marchigiano. Atti 2 Convegno Internazionale Fossili Evoluzione, Ambiente Pergola 25 30 ottobre 1987 Tecnostampa. Figure 4 Photographs of selected cores recovered at Poggio le Coccioni R Nesci O Tramontana M Wezel F C and. Guaine A Cores 20 20 90 22 45 m to 22 23 83 25 39 m Moretti E 1987 Descrizione di un livello guida. penetrated the marly limestones marls and black shales of. radiolaritico bituminoso ittiolitico alla base delle Marne. the upper Albian Amadeus Segment OAE1c B Cores 46, 58 42 60 01 m to 49 62 68 64 33 m recovered the marly clays a Fucoidi nell Appennino umbro marchigiano Boll Soc. clays marls and black shales of the lower Albian Monte Nerone Geol Italiana 106 183 192. and Kilian Levels OAE1b C Cores 49 62 68 64 33 m to 52. Coccioni R Premoli Silva I Marsili A and Verga D 2007 First. 67 18 68 77 m penetrated latest Aptian marls and calcareous. marls together with the black shales of the uppermost Aptian Jacob radiation of Cretaceous planktonic foraminifera with radi. Level OAE1b D Cores 54 70 32 71 89 m to 57 74 94 76 45 m ally elongate chambers at Angles Southeastern France. recovered late Aptian marls marly clays and calcareous marls. and biostratigraphic implications Rev micropal ontologie. E Cores 66 88 00 89 60 m to 68 90 85 91 99 m penetrated. the lower Aptian Selli Level OAE1a 50 215 224, Scientific Drilling No 13 April 2012 45.
Progress Reports, Cresta S Monechi S and Parisi G 1989 Stratigrafia del Mesozoico Red Beds Stratigraphy Composition Origins and. al Cenozoico nell area Umbro Marchigiana Mem Descr Paleoceanographic and Paleoclimatic Significance Society. Carta Geol Italia 34 185 for Sedimentary Geology Special Publication 91 13 33. Erba E 1988 Aptian Albian calcareous nannofossil biostratigraphy. of the Scisti a Fucoidi cored at Piobbico central Italy Riv. Ital Paleont Strat 94 249 284, Erba E 1992 Calcareous nannofossil distribution in pelagic rhyth. Rodolfo Coccioni Dipartimento di Scienze della Terra. mic sediments Aptian Albian Piobbico core central Italy. della Vita e dell Ambiente dell Universit degli Studi Carlo. Riv Ital Paleont Strat 97 455 484, Bo Campus Scientifico E Mattei Localit Crocicchia. Herrle J O K ssler P Friedrich O Erlenkeuser H and Hemleben. operations were performed with the Atlas Copco Mustang 5 F4 surface core drilling rig Fig 3 Coring was accom plished with a T2 double corer using narrow kerf sawtoo thed drill bits that cut a 10 1 cm diameter hole and approxi mately 8 cm diameter cores The target interval was successfully encountered below the weathering zone which

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