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Contessa Section

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Journal Article
Published: 01 June 2019
Italian Journal of Geosciences (2019) 138 (2): 274–295.
...Alessio Fabbrini; Niccolò Baldassini; Chiara Caricchi; Luca Maria Foresi; Leonardo Sagnotti; Jaume Dinarès-Turell; Agata Di Stefano; Fabrizio Lirer; Marco Menichetti; Aldo Winkler; Salvatore Distefano ABSTRACT The Contessa Section is a reference section for the early Miocene in the Mediterranean...
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Journal Article
Published: 25 November 2011
Geological Magazine (2012) 149 (2): 345–351.
...DOROTHEE HUSSON; BRUNO GALBRUN; NICOLAS THIBAULT; SILVIA GARDIN; EMILIA HURET; RODOLFO COCCIONI Abstract The duration of polarity Chron C31r is estimated with a cyclostratigraphic approach. Two sites are investigated: ODP Site 762 (Indian Ocean) and the Contessa Highway section (Gubbio, Italy...
Journal Article
Journal: GSA Bulletin
Published: 01 March 2007
GSA Bulletin (2007) 119 (3-4): 413–427.
... foraminifera, nan-nofossil assemblages, integrated with oxygen and carbon isotope measurements, for the middle Eocene Scaglia limestones of the Contessa Highway section, central Italy. Calcareous plankton assemblages enable recognition of several biostratigraphic events from planktic foraminiferal zone P11...
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Journal Article
Published: 01 May 2000
Bulletin de la Société Géologique de France (2000) 171 (3): 355–365.
...Simone Galeotti; Eugenia Angori; Rodolfo Coccioni; Gabriella Ferrari; Bruno Galbrun; Simonetta Monechi; Isabella Premoli Silva; Robert Speijer; Bruno Turi Abstract An integrated stratigraphic study of the upper Paleocene to lower Eocene Scaglia limestones of the Contessa Road section has allowed us...
Journal Article
Journal: GSA Bulletin
Published: 01 May 1982
GSA Bulletin (1982) 93 (5): 414–432.
.... The red-to-pink, Paleocene to middle Eocene Scaglia Rossa limestone, the varicolored upper Eocene Scaglia Variegata limestone, and the gray-green Oligocene Scaglia Cinerea marlstone form a 250-m-thick, continuous exposure in the Contessa Valley near Gubbio, Italy. Magnetostratigraphic, lithostratigraphic...
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Lithological log of the Contessa Section and some pictures illustrating sampling and lithological features.
Published: 01 June 2019
Fig. 3 Lithological log of the Contessa Section and some pictures illustrating sampling and lithological features.
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Paleomagnetic results for the Contessa Section.
Published: 01 June 2019
Fig. 9 Paleomagnetic results for the Contessa Section.
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Integrated synthesis of Contessa Section. The acronyms in bold indicate the biostratigraphic events; * indicates local events. On the left side of the Figure are reported the polarity intervals and their correlation to the ATNTS2012. The dashed lines show the hiatuses height (H1, H2 and H3). The continuous lines correlate the stratigraphic position of the recognised biovents to the standard mediterranean and oceanic planktonic foraminifera and calcareous nannofossil biozonal schemes and to the ATNTS2012.
Published: 01 June 2019
Fig. 10 Integrated synthesis of Contessa Section. The acronyms in bold indicate the biostratigraphic events; * indicates local events. On the left side of the Figure are reported the polarity intervals and their correlation to the ATNTS2012. The dashed lines show the hiatuses height (H1, H2
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Panoramic view of the Contessa Section studied outcrop. The figure shows the Raffaello Level (RL -white line), which is the boundary between the Scaglia Cinerea and Bisciaro formations, and the level of Helicosphaera ampliaperta FO (yellow), which sets the base of the Burdigalian stage. In black are indicated the new sampling trajectories (line length: 1=13.70 m; 2=23 m). The dashed red lines pinpoint the transtensional faults, few with the strike subparallel to the outcrop.
Published: 01 June 2019
Fig. 11 Panoramic view of the Contessa Section studied outcrop. The figure shows the Raffaello Level (RL -white line), which is the boundary between the Scaglia Cinerea and Bisciaro formations, and the level of Helicosphaera ampliaperta FO (yellow), which sets the base of the Burdigalian stage
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The Contessa section with the Bonarelli Level at the level of the stick, which is 1 m long.
Published: 01 January 2012
FIGURE 2— The Contessa section with the Bonarelli Level at the level of the stick, which is 1 m long.
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Figure 2. Location map of the Contessa sections (CH, CR, CQ, CB, CT, and CV) and the new Contessa Barbetti Road (CBR) section.
Published: 01 March 2008
Figure 2. Location map of the Contessa sections (CH, CR, CQ, CB, CT, and CV) and the new Contessa Barbetti Road (CBR) section.
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Figure 1. Schematic geological map of the NW-SE–trending Gubbio structure and location of the Contessa sections (CH—Contessa Highway; CQ—Contessa Quarry; CR—Contessa Road) on a simplified map that gives the formation boundaries in the Contessa Valley.
Published: 01 March 2007
Figure 1. Schematic geological map of the NW-SE–trending Gubbio structure and location of the Contessa sections (CH—Contessa Highway; CQ—Contessa Quarry; CR—Contessa Road) on a simplified map that gives the formation boundaries in the Contessa Valley.
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Ichnological features of the Bottaccione and Contessa sections, interpretation of oxygenation changes and their correlation. The gray shading in the ichnotaxa columns means reserved determinations, e.g., ?Thalassinoides isp. Total bioturbation means that 100% volume of sediment was bioturbated. Micropaleontological zones according to Coccioni and Luciani (2004, 2005).
Published: 01 January 2012
FIGURE 3— Ichnological features of the Bottaccione and Contessa sections, interpretation of oxygenation changes and their correlation. The gray shading in the ichnotaxa columns means reserved determinations, e.g., ?Thalassinoides isp. Total bioturbation means that 100% volume of sediment
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Figure 5. Plots of measured δ18O for selected samples from Contessa Quarry and their model-calculated primary δ18O after correction for diagenesis, assuming constant recrystallization trajectory for the sediments. The number of data points for the Contessa section has been reduced by a factor of 15 to simplify the plot and does not represent smoothing from diagenesis. Thin black line is measured δ18O vs. age for Contessa Quarry; δ18O data as in Figure 2. Thick gray line is model-calculated primary δ18O for slow recrystallization trajectory (a = 0.001, b = 0.015, g = 8.5). Thick black line is model-calculated primary δ18O for fast recrystallization trajectory (a = 0.004, b = 0.067, g = 2.1). Abbreviations as in Figure 2.
Published: 01 February 2000
Figure 5. Plots of measured δ 18 O for selected samples from Contessa Quarry and their model-calculated primary δ 18 O after correction for diagenesis, assuming constant recrystallization trajectory for the sediments. The number of data points for the Contessa section has been reduced by a factor
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Equal area projection diagrams of the ChRM directions defined for the Contessa Section, in tilt-corrected coordinates a) normal polarity samples; b) reverse polarity samples. The circles around the ChRM directions are the maximum angular deviations and provide a quantitative measure of the precision with which each direction is determined. In both projections, the diamond indicates the paleomagnetic mean direction.
Published: 01 June 2019
Fig. 7 Equal area projection diagrams of the ChRM directions defined for the Contessa Section, in tilt-corrected coordinates a) normal polarity samples; b) reverse polarity samples. The circles around the ChRM directions are the maximum angular deviations and provide a quantitative measure
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Outcrop photographs of hybrid beds containing cohesive mud-rich debrite and turbidite in the Miocene Marnoso-arenacea Formation (Talling et al., 2012b). (A) Bed in the below-Contessa section at the Castel del Priore section comprising turbidite mud (TM), mud-rich sandstone lacking clasts (MS2), and basal clean sand (CS). The mud-rich sandstone infills dune crests at the top of the basal clean sandstone, which indicates slow emplacement of the mud-rich sandstone by a low-strength cohesive debris flow. Beds contain mud-rich sand intervals with clasts. (B) Thin debris flow deposit with mud-rich sandstone matrix that contains boulder-sized mudstone clasts to 320 cm in length. The base of the bed comprises a thin layer of clean sand (CS). The debrite is overlain by a thin interval of rippled clean sand (Sst top) and turbidite mud. The bed is several hundred meters below the Contessa Bed in the Cabelli-1 section (no. 29). MS1 refers to mud-rich debrite sandstone, while HM denotes hemipelagic mud.
Published: 01 June 2013
Figure 5. Outcrop photographs of hybrid beds containing cohesive mud-rich debrite and turbidite in the Miocene Marnoso-arenacea Formation ( Talling et al., 2012b ). (A) Bed in the below-Contessa section at the Castel del Priore section comprising turbidite mud (TM), mud-rich sandstone lacking
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Correlation between the 3He record (in cm3/g at standard temperature and pressure [ccSTP/g]) of the Upper Cenomanian–Lower Turonian Bottaccione section and the oxygen and carbon isotopic record from the same stratigraphic interval in the Bottaccione and Contessa sections at Gubbio. Note that the unpublished δ18O data from the Bottaccione section were kindly provided by Mario Sprovieri. Cenom.—Cenomanian. Planktonic foraminiferal biozones: Rotalipoora cushmani, Whiteinella archeocretacea, Helvetotruncana helvetica, Marginotruncana sigali, Dicarinella concavata. K3—mid-Turonian 3He anomaly of Farley et al. (2012).
Published: 23 June 2017
Figure 12. Correlation between the 3 He record (in cm 3 /g at standard temperature and pressure [ccSTP/g]) of the Upper Cenomanian–Lower Turonian Bottaccione section and the oxygen and carbon isotopic record from the same stratigraphic interval in the Bottaccione and Contessa sections at Gubbio
Journal Article
Journal: PALAIOS
Published: 01 January 2012
PALAIOS (2012) 27 (1): 48–54.
...FIGURE 2— The Contessa section with the Bonarelli Level at the level of the stick, which is 1 m long. ...
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Figure 10. Detailed lithostratigraphic column for the interval between 95 and 151 m, along with the magnetostratigraphic interpretation and the carbon isotope record of the Contessa section. Stable isotope data are also shown from Ocean Drilling Program (ODP) Hole 748B between 50 and 32 Ma for comparison of the middle Eocene climatic optimum event (modified from Bohaty and Zachos, 2003). The 1.5 m.y. mismatch in the middle Eocene climatic optimum event is discussed in the text. MECO—middle Eocene climatic optimum; VPDB—Vienna Peedee belemnite standard.
Published: 01 March 2007
Figure 10. Detailed lithostratigraphic column for the interval between 95 and 151 m, along with the magnetostratigraphic interpretation and the carbon isotope record of the Contessa section. Stable isotope data are also shown from Ocean Drilling Program (ODP) Hole 748B between 50 and 32 Ma
Journal Article
Journal: GSA Bulletin
Published: 01 February 2000
GSA Bulletin (2000) 112 (2): 308–319.
...Figure 5. Plots of measured δ 18 O for selected samples from Contessa Quarry and their model-calculated primary δ 18 O after correction for diagenesis, assuming constant recrystallization trajectory for the sediments. The number of data points for the Contessa section has been reduced by a factor...
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