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Topic: Bathonian


In the News (Thu 16 Feb 12)

  
  Middle Bathonian Bt2 chert from Bugey (Jura, France) on Flintsource.Net
According to the geological map, the exposes the limestones of unit J2 (moy.), of Middle Bathonian age.
According to the geological map, the substrate belongs to unit J2 (moy.), of Middle Bathonian age.
The parent-rock of this flint are limestones of Middle Bathonian age, belonging to unit J2 of the local geological map.
www.flintsource.net /flint/F_bugBt2.html   (1997 words)

  
  Bathonian series - LoveToKnow 1911   (Site not responding. Last check: 2007-09-24)
The typical Bathonian is the Great Oolite series of England, and the name was derived from the "Bath Oolite," so extensively mined and quarried in the vicinity of that city, where the principal strata were first studied by W. Smith.
The Bathonian is the equivalent of the upper part of the "Dogger" (Middle Jurassic) of Germany, or to the base of the Upper Brown Jura (substage "E" of Quenstedt).
Rocks of Bathonian age are well developed in Europe: in the N.W. and S. oolite limestones are characteristically associated with coral-bearing, crinoidal and other varieties, and with certain beds of clay.
www.1911encyclopedia.org /Bathonian_series   (331 words)

  
 Bathonian dimorphism
The dimorphic pairs of the lower Bathonian stage of Nevers belong to the following families : Pseudoperisphinctidae, Sphaeroceratidae and Morphoceratidae.
This term is used for the smaller shell of the pair, probably the male.
The bigger shell of the dimorphic pair, with simple aperture, is called macroconch.
perso.orange.fr /jean-ours.filippi/anglais/fichier_bathonienangl/couplesangl22.html   (57 words)

  
 Capri
This facies laterally passes (A zone) to slope sediments of, the Migliara Cherty Limestone Fm.; in the B zone, during the Dogger and starting from the Aalenian, an oolitic sequence (Torina Oolitic Limestone Fm.) was deposited: also this formation laterally passes (A zone) to the slope facies of the Migliara Formation.
During the Bathonian the cherty limestones were deposited in the B zone too.
A thick sequence ranging from Early Lias to Bathonian is formed by (from the bottom) Cal entroso Dolomite, Grotta delle Felci Bioclastic Limestone and Torina Oolitic Limestone.
www.essc.psu.edu /~bjhaupt/specials/iamg98/capri.html   (1730 words)

  
 Lower Bathonian
The lower Bathonian stage in the Nevers (Nièvre) area
The whole burgundy formation extends from the top of the Bajocian stage to the bottom of the lower Bathonian stage.
The deposits of Nevers (Nièvre), France, correspond to a condensed level, placed in the Macrescens Subzone, in the top of the Zigzag Zone and rising up to the Tenuiplicatus Subzone.
perso.orange.fr /jean-ours.filippi/anglais/fichier_bathonienangl/bathonianangl.html   (195 words)

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