Revised guidelines for the establishment of global chronostratigraphic standards by the International Commission on Stratigraphy (ICS)

Remane, Jürgen; Bassett, Michael G.; Cowie, J. W.; Gohrbandt, Klaus H.; Lane, H. Richard; Michelsen, Olaf; Naiwen, Wang

doi:10.18814/epiiugs/1996/v19i3/007

Cited by 299 publications

(163 citation statements)

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“…They closely accord with the criteria for boundary stratotypes outlined by Remane et al . () and should provide stable points of reference for Holocene stages/ages and subseries/subepochs into the future.…”

Section: Discussionmentioning

confidence: 99%

Subdividing the Holocene Series/Epoch: formalization of stages/ages and subseries/subepochs, and designation of GSSPs and auxiliary stratotypes

Walker

Head

Lowe

et al. 2019

J Quaternary Science

170

104

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The Holocene, which currently spans ~11 700 years, is the shortest series/epoch within the geological time scale (GTS), yet it contains a rich archive of evidence in stratigraphical contexts that are frequently continuous and often preserved at high levels of resolution. On 14 June 2018, the Executive Committee of the International Union of Geological Sciences formally ratified a proposal to subdivide the Holocene into three stages/ages, along with their equivalent subseries/subepochs, each anchored by a Global boundary Stratotype Section and Point (GSSP). The new stages are the Greenlandian (Lower/Early Holocene Subseries/Subepoch) with its GSSP in the Greenland NGRIP2 ice core and dated at 11 700 a b2k (before 2000 CE); the Northgrippian (Middle Holocene Subseries/Subepoch) with its GSSP in the Greenland NGRIP1 ice core and dated at 8236 a b2k; and the Meghalayan (Upper/Late Holocene Subseries/Subepoch) with its GSSP in a speleothem from Mawmluh Cave, north‐eastern India, with a date of 4250 a b2k. We explain the nomenclature of the new divisions, describe the procedures involved in the ratification process, designate auxiliary stratotypes to support the GSSPs and consider the implications of the subdivision for defining the Anthropocene as a new unit within the GTS.

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Section: Discussionmentioning

confidence: 99%

Subdividing the Holocene Series/Epoch: formalization of stages/ages and subseries/subepochs, and designation of GSSPs and auxiliary stratotypes

Walker

Head

Lowe

et al. 2019

J Quaternary Science

170

104

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“…In particular, the latter point was emphasized in the revised guidelines (Remane et al . ). Consequently, the Albstadt profile could not satisfy these strict requirements.…”

Section: The Base Of the Callovian Stagementioning

confidence: 97%

The evolution of Oppel's ‘Macrocephalusbett’ (Callovian, Middle Jurassic)

Mönnig¹

2017

LET

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In his basic work of 1856–1858, Albert Oppel subdivided his ‘Juraformation’ into eight stages and 32 zones. There is a long history of confusion as to the meaning of Oppel's zones. Using his ‘Macrocephalusbett’ and his ‘Zone des Amm. macrocephalus’, it is explained how his concept has been developed until today. Both and also Oppel's ‘Macrocephalus Schichten’ are chronostratigraphical units and correspond to today's Lower Callovian. The Lower Callovian was first subdivided by Buckman and Spath into three zones: Herveyi, Koenigi and Calloviense. These units hold good for the Subboreal Province in Central Europe and England and became the primary standard. In addition, there are four more secondary standard zonations in other faunal provinces. In terms of the ammonites, the amount and quality of material available improved and also the methods used to assess morphological similarities. That makes a finer resolution possible, and today, the Lower Callovian of England and Central Europe consists of eight subzones with about 20 biohorizons.

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“…6). Remane et al 1996) and research aimed at the definition of chronostratigraphic units by GSSPs (Global Stratotype Section and Point), carried out within the Working Groups of the Subcommissions of the ICS (International Commission on Stratigraphy). The modern approach to the definition of the GSSP emphasizes the correlateability of (bio)events, and this is tested by a cross-comparison of bioevents of different fossil groups.…”

Section: Modern Biostratigraphymentioning

confidence: 99%

Triassic ammonoid biostratigraphy: an overview

Balini

Lucas

Jenks³

et al. 2010

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The Triassic chronostratigraphic scale was built on two centuries of research on ammonoid biostratigraphy and biochronology. Two Triassic stage bases and all of the Triassic substages are currently defined by ammonoid bioevents. The study of Triassic ammonoids began during the late 1700s, and in 1895, Edmund von Mojsisovics, Wilhelm Waagen and Carl Diener published an essentially complete Triassic chronostratigraphic scale based on ammonoid biostratigraphy. This scale introduced many of the Triassic stage and substage names still used today, and all terminology of stages and substages subsequently introduced has been based on ammonoid biostratigraphy. Early Triassic ammonoids show a trend from cosmopolitanism (Induan) to latitudinal differentiation (Olenekian), and the four Lower Triassic substage (Griesbachian, Dinerian, Smithian and Spathian) boundaries are globally correlated by widespread ammonoid biotic events. Middle Triassic ammonoids have provinciality similar to that of the Olenekian and provide a basis for recognizing six Middle Triassic substages. Late Triassic ammonoids provide a basis for recognizing three stages divided into five substages. The main uncertainty for the future of Triassic ammonoid biostratigraphy is not the decline of the ammonoids as a tool for dating and correlation of Triassic strata but, rather, the dramatic decrease in the number of specialists, due to the lack of replacement of experienced palaeontologists who started their activity in the 1950s and 1960s.

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Revised guidelines for the establishment of global chronostratigraphic standards by the International Commission on Stratigraphy (ICS)

Cited by 299 publications

References 0 publications

Subdividing the Holocene Series/Epoch: formalization of stages/ages and subseries/subepochs, and designation of GSSPs and auxiliary stratotypes

Subdividing the Holocene Series/Epoch: formalization of stages/ages and subseries/subepochs, and designation of GSSPs and auxiliary stratotypes

The evolution of Oppel's ‘Macrocephalusbett’ (Callovian, Middle Jurassic)

Triassic ammonoid biostratigraphy: an overview

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