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Topic: Priabonian

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	Priabonian Stage, Paleogene Period in Hampshire - Hampshire Museums Service
		The Priabonian stage was deposited between 38.6 and 35.4 million years ago.
		In Hampshire and the Isle of Wight the Priabonian stage (formerly known as the Late or Upper Eocene) is represented by approximately 95 metres of sands, clays, marls and limestones, collectively known as the Solent Group.
		The Priabonian stage is present in various sea cliffs and below the entire length of the northern part of the Isle of Wight.
	www.hants.gov.uk /museum/geology/periods/priabonian.html (203 words)

	Research project Stratigraphic analysis of the Priabonian and Rupelian, the-O ... (Site not responding. Last check: 2007-11-06)
		Stratigraphic analysis of the Priabonian and Rupelian, the-Oligo- cene transition, in North Belgium as a basis for correlation with the classical marine basins in the Northern Hemisphere.
		The objective is to document the biostratigraphy, the physical stratigraphy, the stable isotope signature and the sequence stratigraphy of the Priabonian and Rupelian, and hence the Eo-Oligocene transitional strata through the analysis of the available cores and the relevant outcrops in North Belgium.
		This area is relevant because of the presence of the body stratotypes of the Rupelian and of the regional, time related, Tongrian stage.
	www.kuleuven.ac.be /research/researchdatabase/project/3E00/3E000084.htm (171 words)

	BRYOZOAN GENERIC EXTINCTIONS AND ORIGINATIONS DURING THE LAST ONE HUNDRED MILLION YEARS
		The Maastrichtian and Priabonian extinctions appear to be parts of well-documented global extinctions that affected both terrestrial and marine ecosystems.
		The Maastrichtian extinction was one of the four or five major extinctions of the Phanerozoic ( Raup and Sepkoski 1982), whereas the mid- to Late Eocene extinction was in the second tier ( Raup and Sepkoski 1984, 1986).
		The scale of the Danian extinction of bryozoans has previously been under-appreciated, but it was almost as intense as the Maastrichtian extinction, with 30 percent of genera alive at the beginning of the Danian going extinct.
	www.nhm.ac.uk /hosted_sites/pe/2001_1/bryozoan/conclus.htm (642 words)

	Palaeogene and Neogene Geology - Rhodope Geodynamic Hazards - Photogalleries
		Red conglomerates of the Priabonian Gradinishka Formation cover with clear angular unconformity the eroded surface of the pre-Priabonian Dobrinishka Formation (yellowish sandstone, fine conglomerate and shale with abundant coalefied plant debris).
		The magnificent cliffs (red conglomerate) "Komatinitsa" (Priabonian Komatinitsa Formation) in the middle of the panorama; Rila Mountain in the background.
		Padala Formation (breccia and breccia-conglomerate with interbeds of sandstone with coalefied plant debris and coal lenses) in the Padala graben (along the asphalt road to Rila Monastery).
	www.geology.bas.bg /rgh/photopgng.html (304 words)

	GEOLOGICCAL, MINERALOGICAL AND TECHNOLOGICAL CHARACTERISTICS OF ZEOLITIZED (CLINOPTILOLITIZED) TUFF DEPOSITS IN THE ...
		The deposits of the zeolitized tuffs (zeolitites according to [1]) are associated with the Paleogene collision-related volcanism [2], manifested during the Late Eocene (Priabonian) and Oligocene (from 37 to 25 Ma) in the Eastern Rhodopes and particularly with the explosive products of their acid phases.
		The products of upper flow are distinguished for the presence of priabonian thermally metamorphosed marl xenoclasts 5-10cm in size, and rarely reaching 1.5m (close to the supposed volcanic centre).
		Priabonian marls (a-thermally metamorphosed xenoclasts in the pyroclastic flows); 2.
	yotzoyanev.hit.bg /zeo2.html (3476 words)

	BRYOZOAN GENERIC EXTINCTIONS AND ORIGINATIONS DURING THE LAST ONE HUNDRED MILLION YEARS (Site not responding. Last check: 2007-11-06)
		The next highest number of extinctions for cyclostome genera occurred during the Campanian (14 long-ranged plus 3 stage-only), and for cheilostomes during the Priabonian (24 long-ranged plus 4 stage-only).
		The next highest rates for cyclostomes are 3.3 genera/myr and 4.4 genera/myr (including stage-only genera) in the Piacenzian, and for cheilostomes 7.3 genera/myr and 8.5 genera/myr (including stage-only genera) in the Priabonian.
		Next highest values for cyclostomes are 0.13 genera/D (0.16 genera/D including stage-only) for the Priabonian, and for cheilostomes 0.17 genera/D (0.21 genera/D including stage-only) for the Campanian.
	www.ga.gov.au /paleo/2001_1/bryozoan/result.htm (1266 words)

	[No title]
		The basal limestones of the Nummulitic Limestone Formation were deposited on an east-facing carbonate ramp at the western, distal margin of a NNW-SSE-oriented Eocene seaway that was bounded to the east by the Alpine orogenic wedge.
		During Lutetian through Priabonian time successively younger shallow marine strata were deposited above the basal unconformity as the formation is traced westwards onto the European foreland (Fig.
		Movement on the faults predates the Priabonian Nummulitic transgression (Lory 1894; Boussac 1912; Chambers 1992; Ford 1996).
	xweb.geos.ed.ac.uk /glghome/Sanjeev.Gupta/sanjeev/incgeol.html (864 words)

	International Subcommission on Paleogene Stratigraphy (ISPS) (Site not responding. Last check: 2007-11-06)
		In particular, the historical stratotype and the parastratotype of the Priabonian (Munier-Chalmas and De Lapparent, 1893) stage are located close to the Priabona and Possagno villages, respectively.
		Location: On the left side of the Piave River Valley, in the Veneto Prealps (Belluno Province), some 8 km from the classical Possagno section, in the same region of the Priabonian historical stratotype.
		Geologic setting: the section is exposed in continuity along a river cut within the northern limb of the Alano syncline; it belongs entirely to the "Scaglia Cinerea" Formation.
	wzar.unizar.es /isps/priabonian2004.htm (419 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		In the Upper Coastal Plain of South Carolina, the "Upland Unit" Tobacco Road and Dry Branch Formations are sediment packages deposited in a near shore, deltaic to fluvially dominated environment.
		These unconsolidated, late Eocene, (Priabonian) aged sediments are typically silty sands, silts, and sands with thinly laminated clays.
		As part of the geological characterization process for the construction of the DOE Linear Accelerator, a dense grid of cone penetrometer soundings was obtained to evaluate, in detail, these formations in the shallow subsurface.
	aapg.confex.com /aapg/no2000/techprogram/paper_2432.htm (290 words)

	[No title]
		The sediment input into the Molasse basin originated from two main source areas: In the Upper Eocene (Priabonian) sediments derived from the Variscan Bohemian Massif in the north (Wagner 1980).
		So multi-grain samples are insufficient for precise age determination in this rocks due to the mixture of variable proportions of grains from different sources (Schneider et al., 1998).
		These ages reflect the change of main sediment source from the Bohemian Massif in the north to the Alpine Mountain Belt in the south.
	homepages.uni-tuebingen.de /alpshop/TGAvol/-201.html (486 words)

	Extinct
		During the closing phase of the Eocene Epoch (the Priabonian) and the opening phase of the Oligocene (the Rupelian), dinosaur communities worldwide were once again plunged into crisis.
		Across the globe, countless species were facing extinction, both on the land and in the oceans.
		Most dinosaurs seemed relatively unaffected by the first extinction pulse at the start of the Priabonian (40 million years ago), but took losses close to the Eocene-Oligocene boundary.
	specdinos.0catch.com /Spec/Extinct.html (6606 words)

	STSG2000 Abstracts (Site not responding. Last check: 2007-11-06)
		We interpret the Priabonian flysch of the so-called "Ultradauphinois" (Aiguilles d'Arves flysch) to represent a detrital trench formation formed during the final stages of subduction of the Valaisan ocean.
		Hence this Priabonian flysch seals an Eocene subduction zone, which was active in a scenario of sinistral transpression in the area of the future Western Alps.
		Structurally, sinstral transpression is evidenced by numerous top N to NNW lineations found along internal nappe contacts within the Penninic units and behind the PF (Valaisan, Subbriançonnais).
	www.geology.ethz.ch /sgt/stsg2000/abstracts.htm (5400 words)

	THE ENDLESS TRANSGRESSION
		In recent years there has been a renewed interest in the sediments of Eocene age that represent the beginning of foreland-basin sedimentation along the arc of western Alps.
		The Eocene succession, known in Italian and French geologic literature as the "Priabonian Trilogy", has in fact been object of sedimentological studies both in the Champsaur area (Gupta, 1997; 1999) and in the Annot - Entrevaux area (Sinclair, 1997; Sinclair et al., 1998) (Fig.
		As in other sectors, the three "members" of the Priabonian trilogy can be easily recognized (Fig.
	www.dst.unito.it /bacheca/ias21meet.htm (463 words)

	Untitled Document (Site not responding. Last check: 2007-11-06)
		These New Zealand fossils provide one of the oldest records for the Dorudontinae and the oldest reported cetacean for the Southern Hemisphere.
		Other supposed cetacean records for the Southern Hemisphere are of Priabonian age from Seymour Island, Antarctica.
		The New Zealand material provides a significant range extension for the Dorudontinae, which previously have been reported from early Lutetian, middle to late Bartonian, and mainly Priabonian strata of the Northern Hemisphere.
	www.vertpaleo.org /jvp/17-574-583.html (168 words)

	Geology Field Guide - Hordle Cliff, Hampshire - Upper Eocene strata
		The strata overlie the Becton Sand (Barton Sand) and Barton Clay.
		They are of Priabonian Stage of the Upper Eocene Series.
		The sediments were deposited towards the end of the Eocene, the Totland Bay Member belonging to the Priabonian Stage (38.6 to 35.4 My - million years - Harland et al., 1989) of the Upper Eocene.
	www.soton.ac.uk /~imw/hordle.htm (6839 words)

	Barton and Highcliffe - Geology of the Wessex Coast
		The Barton Clay, the Barton Sand and the overlying Headon Hill Formation (of the Solent Group) form part of the well-known Hampshire Basin, and are exposed at Barton and Highcliffe in Christchurch Bay, and also at Alum Bay and Whitecliff Bay, in the Isle of Wight.
		The strata are of the Bartonian and Priabonian Stages of the Upper Eocene Series.
		In terms of age in years these strata were deposited between about 42.1 amd 35.4 million years ( Harland et al., 1982).
	www.soton.ac.uk /~imw/barton.htm (5450 words)

	Implications of Magnetostratigraphic Correlations
		Cessation of deposition occurred at Site 1052 during the middle Priabonian (upper Eocene) and at the most landward Site 1053 near the Eocene/Oligocene boundary.
		All polarity chrons of the Ypresian are present at Sites 1051 (spanning 125 m) and 1050 (90 m).
		There is a progressive landward termination of sedimentation through the Priabonian, with the end of accumulation occurring during polarity Chron C16r at Site 1051, latest Chron C16n or early Chron C15r at Site 1052, and either latest Chron C15r or C13r at Site 1053.
	owen.nhm.ac.uk /odp/publications/171B_SR/chap_09/c9_6.htm (1051 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		Energy Citations Database (ECD) Document #6918298 - Stratigraphic distribution of Jacksonian (Priabonian) echinoids in Georgia: Comparison and suggested correlations with Florida and the Carolinas
		Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link.
		For a journal article, please see the Resource Relation field.
	www.osti.gov /energycitations/product.biblio.jsp?osti_id=6918298 (110 words)

	GGAC Pyrenees
		These localities are placed in a lacustrine interval located in the middle part of the conglomeratic sequence.
		They yielded an MP17 Paleogene mammal age, which is proposed to be correlated to Priabonian.
		Nevertheless, many age uncertainties remained beyond this marker layer.
	www.ub.es /ggac/research/piris/piris3.htm (337 words)

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