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Elisabethfeld (Miocene of Namibia)

Also known as "Elizabethfeldern" (Savage, 1965), Sperrgebiet, E-Feld, Tortoise Site

Where: Karas, Namibia (27.0° S, 15.3° E: paleocoordinates 27.9° S, 12.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Elisabeth Bay Formation, Early/Lower Miocene (23.0 - 16.0 Ma)

• The fossiliferous beds were assigned to the Elisabeth Bay Formation by Greenman (1966, unpubl. MSc thesis) but this unit, as originally defined, is penetrated by a major unconformity comprising a hiatus of about 15 Ma (Pickford & Senut, 1999, p. 61 & 76). The name Elisabeth Bay Formation here refers only to the lower, fluvial part of the series which is of Lower Miocene age (Pickford & Senut, 1999, p. 76).

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial; red siltstone and green, yellow sandstone

• The Miocene sediments of the Elisabethfeld locality are interpreted as floodplain and channel deposits. They have been deposited in an incised valley that was cut into the pre-Miocene bedrock of the Namib Coastal Plain during the late Oligocene or earliest Miocene, "when the sea level was appreciably lower than it is today." Incised valley and Miocene deposits represent the so-called Proto-Kaukausib drainage system (Pickford & Senut, 1999, fig. 4-2/p. 62).
• The lowest 85 cm of the more than 5 m thick succession as exposed "west of the waterhole" are reddish, highly fossiliferous silts, partially interspersed with gypsum plates and thick lime concretions. These are overlain by a more than 4 m thick sequence of greenish and yellowish sands that also contain fossils. This series is capped by eolianites and travertine that are probably of Plio-Pleistocene age (Pickford & Senut, 1999, p. 76 and fig. 4-10).

Size classes: macrofossils, mesofossils

Collected by E. Stromer, M. Pickford, B. Senut in the 1920s, 1990s, 2000s

• The squamate material listed by Rage (2008) was collected by Martin Pickford and Brigitte Senut in the course of the Namibia Paleontology Expedition (NPE) in the 1990s and 2000s and is reposited in the Geological Survey of Namibia in Windhoek.

Primary reference: J.-C. Rage. 2008. Squamate reptiles from the Lower Miocene of the Sperrgebiet, Namibia. In M. Pickford and B. Senut (eds.), Geology and palaeobiology of the northern Sperrgebiet, Namibia. Memoir of the Geological Survey of Namibia (Ministry of Mines and Energy, Windhoek) 20:93-103 [J. Mueller/T. Liebrecht] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 146601: authorized by Mark Uhen, entered by Mark Uhen on 28.06.2013, edited by Torsten Liebrecht, Richard Butler and Evangelos Vlachos

Creative Commons license: CC BY (attribution)