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Grüger, Eberhard (1983): Two pollen profiles of the middle Pleistocene at Samerberg/Upper Bavaria, Germany. PANGAEA, https://doi.org/10.1594/PANGAEA.714791, Supplement to: Grüger, E (1983): Untersuchungen zur Gliederung und Vegetationsgeschichte des Mittelpleistozäns am Samerberg in Oberbayern. Geologica Bavarica, 84, 21-40

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Abstract:
Previous pollen analytical studies on sediments from the pleistocene lake basin at Samerberg, situated on the northern edge of the Bavarian Alps (47°45' N, 12°12' E, 607 m a.s.l.) had been performed on samples taken from cores and exposures close to the southern shore of the former lake. After geoelectric and refraction-seismic measurements had shown that the lake basin had been much deeper in its northern part, another core was taken where maximum depth could be expected. The corer penetrated three moraines, two of them lying above pollen-bearing sediments, and one below them, and reached the hard rock (Kössener Kalk) at a depth of 93 m. Two forest phases could be identified by pollen analysis.
The pollen record begins abruptly in a forest phase at the end of a spruce-dominated period when fir started to spread (DA 1, DA = pollen zone). Following this, Abies (fir) was the main tree species at Samerberg, Picea being second, and deciduous trees were almost non-existent. First box (Buxus) was of major importance in the fir forests (DA 2), but later on beech (Fagus) and wing-nut (Pterocarya) spread (DA 3). Finally this forest gave way to a spruce forest with pine (DA 4). The beginning and the end of this interglacial cycle are not recorded. Its vegetational development is different from the eemian one known from earlier studies at Samerberg. It is characterized by the occurrence of Abies together with Buxus, Pterocarya and Fagus. A similar association of woody species is known only from the Holsteinian age deposits in an area ranging from England to Poland, though at no other place these species were such important constituents of the vegetation as at Samerberg. Therefore zone 1 to 4 are attributed to the Holsteinian interglacial period.
The younger forest phase, separated from the interglacial by a stadial with open vegetation (DA 5), seems to be completely represented, though its sediments are disturbed, apparently by sliding which caused repetition of same-age-sediments in the core (DA 7a, b, c) The vegetational development is simple. A juniper phase (DA 6) was followed by reforestation with spruce, accompanied by some fir (DA 7, 9). Finally pine became the dominant species (DA 9).
The simple vegetational development of this younger forest phase does not allow a safe correlation with one of the known pre-eemian interstadials, but for stratigraphical reasons it can be related best to the Dömnitz-interglacial, which among others is also known as Wacken- or Holstein-II-interglacial.
Possibly another phase of reforestation is indicated at the end of the following stadial (DA 10). But due to an erosional unconformity nothing than the rise of the juniper curve can be stated. It was only after this sequence of forest phases and periods with open vegetation that glaciers reached the Samerberg area again.
Coverage:
Median Latitude: 47.754045 * Median Longitude: 12.195380 * South-bound Latitude: 47.753060 * West-bound Longitude: 12.193810 * North-bound Latitude: 47.755030 * East-bound Longitude: 12.196950
Date/Time Start: 1981-08-24T12:00:00 * Date/Time End: 1982-03-10T12:00:00
Event(s):
Achenhang * Latitude: 47.753060 * Longitude: 12.193810 * Date/Time: 1982-03-10T12:00:00 * Elevation: 585.0 m * Location: Samerberg, Bavaria, Germany * Device: Sampling by hand (HAND)
Samerberg2 * Latitude: 47.755030 * Longitude: 12.196950 * Date/Time: 1981-08-24T12:00:00 * Elevation: 607.0 m * Recovery: 93.5 m * Location: Samerberg, Bavaria, Germany * Device: Drilling/drill rig (DRILL)
Size:
2 datasets

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Datasets listed in this Collection

  1. Grüger, E (1983): Pollen profile from Achenhang. https://doi.org/10.1594/PANGAEA.714614
  2. Grüger, E (1983): Pollen profile from Samerberg 2. https://doi.org/10.1594/PANGAEA.714613