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The Eburonian, or, much less commonly, the Eburonian Stage, is a glacial complex in the Calabrian age of the Pleistocene epoch and lies between the Tegelen and the Waalian interglacial. The transition from the Tegelen to the Eburonian started about 1.78 million years ago, lasted 480,000 years. In geologic strata, at its base, from its startpoint, the Neogene underlies different Gelasian deposits starkly in much of the Netherlands.
There have been five or six major ice ages in the history of Earth over the past 3 billion years. The Late Cenozoic Ice Age began 34 million years ago, its latest phase being the Quaternary glaciation, in progress since 2.58 million years ago.
The Würm glaciation or Würm stage, usually referred to in the literature as the Würm, was the last glacial period in the Alpine region. It is the youngest of the major glaciations of the region that extended beyond the Alps themselves. Like most of the other ice ages of the Pleistocene epoch, it is named after a river, in this case the Würm in Bavaria, a tributary of the Amper.
The Cromerian Stage or Cromerian Complex, also called the Cromerian, is a stage in the Pleistocene glacial history of north-western Europe, mostly occurring more than half a million years ago. It is named after the East Anglian town of Cromer in Great Britain where interglacial deposits that accumulated during part of this stage were first discovered. The stratotype for this interglacial is the Cromer Forest Bed situated at the bottom of the coastal cliff near West Runton. The Cromerian stage preceded the Anglian and Elsterian glacials and show an absence of glacial deposits in western Europe, which led to the historical terms Cromerian interglacial and the Cromerian warm period. It is now known that the Cromerian consisted of multiple glacial and interglacial periods.
The Elster glaciation or, less commonly, the Elsterian glaciation, in the older and popular scientific literature also called the Elster Ice Age (Elster-Eiszeit), is the oldest known ice age that resulted in the large-scale glaciation of North Germany. It took place 500,000–300,000 years ago. It succeeded a long period of rather warmer average temperatures, the Cromerian Complex. The Elster was followed by the Holstein interglacial and the Saale glaciation. The glacial period is named after the White Elster, a right tributary of the Saale.
The Mindel glaciation is the third youngest glacial stage in the Alps. Its name was coined by Albrecht Penck and Eduard Brückner, who named it after the Swabian river, the Mindel. The Mindel glacial occurred in the Middle Pleistocene; it was preceded by the Haslach-Mindel interglacial and succeeded by the Mindel-Riss interglacial.
Albrecht Penck was a German geographer and geologist and the father of Walther Penck.
The Riss glaciation, Riss Glaciation, Riss ice age, Riss Ice Age, Riss glacial or Riss Glacial is the second youngest glaciation of the Pleistocene epoch in the traditional, quadripartite glacial classification of the Alps. The literature variously dates it to between about 300,000 to 130,000 years ago and 347,000 to 128,000 years ago. It coincides with the Saale glaciation of North Germany. The name goes back to Albrecht Penck and Eduard Brückner who named this cold period after the river Riss in Upper Swabia in their three-volume work Die Alpen im Eiszeitalter published between 1901 and 1909.
The Holstein interglacial, also called the Mindel-Riss interglacial (Mindel-Riß-Interglazial) in the Alpine region, is the third to last major interglacial before the Holocene, the present warm period. It followed directly after the Elster glaciation and came before the Saale glaciation, during the Middle Pleistocene. The more precise timing is controversial since Holstein is commonly correlated to two different marine isotope stages, MIS 11 and MIS 9. This ambiguity is much related to the correlation problem described in more detail in the article 'Elster glaciation'.
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Danube or Donau is a timespan in the glacial history of the Alps. Danube is currently regarded to have started approximately 1.8 million years ago, at the start of the Calabrian age of the international geochronology. It ended approximately one million years ago. Deep sea core samples have identified approximately 20 glacial cycles during Danube.
Biber or the Biber Complex is a timespan approximately 2.6–1.8 million years ago in the glacial history of the Alps. Biber corresponds to the Gelasian age in the international geochronology, which since 2009 is regarded as the first age of the Quaternary period. Deep sea core samples have identified approximately 20 glacial cycles of varying intensity during Biber.
The Biber-Danube interglacial or Biber-Danube warm period (Biber-Donau-Warmzeit) is a historical term for a hypothetical warm period of the Pleistocene epoch in the Alps, between the Biber and Danube glaciations. It was defined as an erosion phase, that followed the Biber and preceded the Danube glacial. Thus, it represented the gap between the depositions that are ascribed to the two cold periods.
The Danube-Gunz interglacial, Danube-Gunz warm period (Donau-Günz-Warmzeit), often just Danube-Gunz, or also Uhlenberg interglacial (Uhlenberg-Warmzeit) are historical terms for a hypothetical warm period of the Pleistocene in the Alps, between the Danube and Gunz glacials. The interglacial was defined as the erosion phase that followed the Danube glacial and preceded the Gunz stage. It is therefore represented by the gap between the two depositions that are attributed to the two cold periods; in the type regions of the two glacial there are various depositions. In the area of the Iller-Lech Plateau they lie between the Lower Deckschotter of the Zusam Plateau and the Intermediate Deckschotter (Zwischenschottern); in the region of the Salzach Glacier between the Eichwald Schotter and the Older Deckenschotter ; and the area of Traun and Enns between the Prägünz Schotter and the Older Deckenschotter. The erosion phase linked with this interglacial is very distinct and the composition of the gravels (Schotter) in the area east of the Rhine Glacier changes markedly.
The Gunz-Haslach interglacial and the Gunz-Haslach warm period (Günz-Haslach-Warmzeit) are historical terms for a hypothetical warm period of the Pleistocene in the Alpine region, between the Gunz and Haslach glaciations. The interglacial was defined as the erosion phase which follows the Günz and precedes the Haslach Glacial Stage. It thus corresponds to the stratigraphic gap between the Zeil gravels in Swabia and Haslach gravels northeast of the Rhine Glacier.
The Haslach-Mindel interglacial and the Haslach-Mindel warm period (Haslach-Mindel-Warmzeit) are historical terms for a hypothetical warm period of the Pleistocene in the Alpine region, between the Haslach and Mindel glacial stages. The interglacial was defined as the erosion phase which follows the Haslach and precedes the Mindel glacial stage. It thus corresponds to the stratigraphic gap between the Haslach beds and the Tannheim-Laupheim gravels northeast of the Rhine Glacier.
The Tiglian, also referred to as the Tegelen, is a temperate complex stage in the glacial history of Northern Europe. It is preceded by the Praetiglian (stage). The stage was introduced by Zagwijn in 1957 based on geological formations in Tegelen in southern Netherlands. Originally, it was thought to be part of a sequence of glacials and interglacials, namely Praetiglian (cold), Tiglian (warm), Eburonian (cold), Waalian (warm), Menapian (cold), and Bavelian (warm).
References
- ↑ Albrecht Penck; Eduard Brückner (1901–1909), Die Alpen im Eiszeitalter (in German), Leipzig: C.H. Tauchnitz (3 volumes)
- ↑ A. Schreiner; R. Ebel (1981), "Quartärgeologische Untersuchungen in der Umgebung von Interglazialvorkommen im östlichen Rheingletschergebiet (Baden-Württemberg)", Geologisches Jahrbuch (in German), Hannover, vol. A 59, pp. 3–64
- ↑ German Stratigraphic Commission: Stratigraphische Tabelle von Deutschland 2016
