| La Meseta Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Unit of | Seymour Island Group[1] |
| Underlies | Weddell Formation |
| Overlies | Lopez de Bertodano, Sobral & Cross Valley Formations |
| Thickness | 557 m (1,827 ft)[2] |
| Lithology | |
| Primary | Sandstone, claystone |
| Other | Siltstone, mudstone, conglomerate |
| Location | |
| Coordinates | 64°14′21.782″S 56°36′11.69″W / 64.23938389°S 56.6032472°W.[3] |
| Approximate paleocoordinates | 63°42′S 61°30′W / 63.7°S 61.5°W |
| Region | Seymour Island |
| Country | Antarctica |
 Geologic map of Seymour Island, Antarctica with La Meseta Formation in dark yellow | |
The La Meseta Formation is a sedimentary sequence deposited during the Eocene on Seymour Island off the coast of the Antarctic Peninsula. It is noted for its fossils, which include both marine organisms and the only terrestrial vertebrate fossils from the Cenozoic of Antarctica.[2][4]
- ^ Zinsmeister, Jeffrey D. Stilwell ; William J. (1992). Molluscan systematics and biostratigraphy : Lower Tertiary La Meseta Formation, Seymour Island, Antarctic Peninsula. Washington, DC: American Geophysical Union. ISBN 978-0875907703.
{{cite book}}: CS1 maint: multiple names: authors list (link) - ^ a b Pezzetti, T.F.; KRISSEK, L.A (1986). "Re-evaluation of the Eocene La Meseta Formation of Seymour Island, Antarctic Peninsula". Antarctic Journal of the United States. 21 (5): 75.
- ^ Cite error: The named reference
Reguero 2012was invoked but never defined (see the help page). - ^ Vega, Greta C.; Olalla-Tárraga, Miguel Ángel (2020), "Past changes on fauna and flora distribution", Past Antarctica, Elsevier, pp. 165–179, doi:10.1016/b978-0-12-817925-3.00009-4, ISBN 978-0-12-817925-3, retrieved 2023-09-20