Zanclean

Zanclean
Zanclean
Chronology
←	Messinian salinity crisis
←	North American prairie expands
	Subdivision of the Neogene according to the ICS, as of 2021.; Vertical axis: millions of years ago.;
Formerly part of	Tertiary Period/System
Etymology
Name formality	Formal
Usage information
Celestial body	Earth
Regional usage	Global (ICS)
Time scale(s) used	ICS Time Scale
Definition
Chronological unit	Age
Stratigraphic unit	Stage
Time span formality	Formal
Lower boundary definition	Base of the Thvera magnetic event (C3n.4n), which is only 96 ka (5 precession cycles) younger than the GSSP
Lower boundary GSSP	Heraclea Minoa section, Heraclea Minoa, Cattolica Eraclea, Sicily, Italy; 37°23′30″N 13°16′50″E / 37.3917°N 13.2806°E
Lower GSSP ratified	2000
Upper boundary definition	Base of Gauss/Gilbert (C2An/C2Ar) magnetic reversal
Upper boundary GSSP	Punta Piccola Section, Porto Empedocle, Sicily, Italy; 37°17′20″N 13°29′36″E / 37.2889°N 13.4933°E
Upper GSSP ratified	January 1997

Artistic interpretation of the flooding 5.3 mya of the Mediterranean through the Gibraltar Strait (A) and the Sicilian strait (F)

The Zanclean is the lowest stage or earliest age on the geologic time scale of the Pliocene. It spans the time between 5.332 ± 0.005 Ma (million years ago) and 3.6 ± 0.005 Ma. It is preceded by the Messinian Age of the Miocene Epoch, and followed by the Piacenzian Age.

The Zanclean can be correlated with regionally used stages, such as the Opoitian of New Zealand,^[6] and the Tabianian or Dacian of Central Europe. It also corresponds to the late Hemphillian to mid-Blancan North American Land Mammal Ages. In California, the Zanclean roughly corresponds to the middle part of the Delmontian stage.^[7]

^ Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3–4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.
^ Retallack, G. J. (1997). "Neogene Expansion of the North American Prairie". PALAIOS. 12 (4): 380–390. doi:10.2307/3515337. JSTOR 3515337. Retrieved 2008-02-11.
^ "ICS Timescale Chart" (PDF). www.stratigraphy.org.
^ Van Couvering, John; Castradori, Davide; Cita, Maria; Hilgen, Frederik; Rio, Domenico (September 2000). "The base of the Zanclean Stage and of the Pliocene Series" (PDF). Episodes. 23 (3): 179–187. doi:10.18814/epiiugs/2000/v23i3/005. S2CID 10836910.
^ Castradori, D.; D. Rio; F. J. Hilgen; L. J. Lourens (1998). "The Global Standard Stratotype-section and Point (GSSP) of the Piacenzian Stage (Middle Pliocene)" (PDF). Episodes. 21 (2): 88–93. doi:10.18814/epiiugs/1998/v21i2/003. Retrieved 26 December 2020.
^ Gradstein FM, Ogg JG, Schmitz MD, Ogg GM, eds. (2012). The Geologic Timescale 2012. Elsevier. pp. 936–937. ISBN 978-0-44-459390-0.
^ Allaby, Ailsa; Michael Allaby (1999). "Delmontian". A Dictionary of Earth Sciences. Encyclopedia.com. Retrieved 10 Dec 2009. A stage in the Upper Tertiary of the west coast of N. America

[Krijgsman1996-1] Krijgsman, W.; Garcés, M.; Langereis, C. G.; Daams, R.; Van Dam, J.; Van Der Meulen, A. J.; Agustí, J.; Cabrera, L. (1996). "A new chronology for the middle to late Miocene continental record in Spain". Earth and Planetary Science Letters. 142 (3–4): 367–380. Bibcode:1996E&PSL.142..367K. doi:10.1016/0012-821X(96)00109-4.

[Retallack1997-2] Retallack, G. J. (1997). "Neogene Expansion of the North American Prairie". PALAIOS. 12 (4): 380–390. doi:10.2307/3515337. JSTOR 3515337. Retrieved 2008-02-11.

[3] "ICS Timescale Chart" (PDF). www.stratigraphy.org.

[Van_Couvering-4] Van Couvering, John; Castradori, Davide; Cita, Maria; Hilgen, Frederik; Rio, Domenico (September 2000). "The base of the Zanclean Stage and of the Pliocene Series" (PDF). Episodes. 23 (3): 179–187. doi:10.18814/epiiugs/2000/v23i3/005. S2CID 10836910.

[5] Castradori, D.; D. Rio; F. J. Hilgen; L. J. Lourens (1998). "The Global Standard Stratotype-section and Point (GSSP) of the Piacenzian Stage (Middle Pliocene)" (PDF). Episodes. 21 (2): 88–93. doi:10.18814/epiiugs/1998/v21i2/003. Retrieved 26 December 2020.

[Gradstein_et-al_2012-6] Gradstein FM, Ogg JG, Schmitz MD, Ogg GM, eds. (2012). The Geologic Timescale 2012. Elsevier. pp. 936–937. ISBN 978-0-44-459390-0.

[7] Allaby, Ailsa; Michael Allaby (1999). "Delmontian". A Dictionary of Earth Sciences. Encyclopedia.com. Retrieved 10 Dec 2009. A stage in the Upper Tertiary of the west coast of N. America

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