Cerro Toro is a
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...
landform
A landform is a land feature on the solid surface of the Earth or other planetary body. They may be natural or may be anthropogenic (caused or influenced by human activity). Landforms together make up a given terrain, and their arrangement ...
of the
Magallanes Foreland in the
Patagonia
Patagonia () is a geographical region that includes parts of Argentina and Chile at the southern end of South America. The region includes the southern section of the Andes mountain chain with lakes, fjords, temperate rainforests, and glaciers ...
n region of southeastern
Chile
Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...
. The Cerro Toro is an element of the southern
Andes
The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the List of longest mountain chains on Earth, longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range ...
and a product of the
Andean orogeny
The Andean orogeny () is an ongoing process of orogeny that began in the Early Jurassic and is responsible for the rise of the Andes mountains. The orogeny is driven by a reactivation of a long-lived subduction system along the western margin o ...
, caused by the
subduction
Subduction is a geological process in which the oceanic lithosphere and some continental lithosphere is recycled into the Earth's mantle at the convergent boundaries between tectonic plates. Where one tectonic plate converges with a second p ...
of the
Nazca Plate
The Nazca plate or Nasca plate, named after the Nazca region of southern Peru, is an oceanic list of tectonic plates, tectonic plate in the eastern Pacific Ocean basin off the west coast of South America. The ongoing subduction, along the Peru– ...
beneath the
South American Plate
The South American plate is a major tectonic plate which includes the continent of South America as well as a sizable region of the Atlantic Ocean seabed extending eastward to the African plate, with which it forms the southern part of the Mid ...
. The formation of the Cerro Toro began in the
Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately 143.1 Mya. ...
. The
Cueva del Milodón Natural Monument
Cueva del Milodón Natural Monument is a Natural Monument located in the Chilean Patagonia, northwest of Puerto Natales and north of Punta Arenas.
The monument is situated along the flanks of Cerro Benitez. It comprises several cave ...
is situated on the southern flank of
Cerro Benítez, a lower hill associated with the formation of Cerro Toro.
[Hogan, 2008]
See also
*
Eberhard Fjord
*
Magallanes Basin
*
Silla del Diablo
References
Bibliography
C. Michael Hogan (2008) ''Cueva del Milodon'', The Megalithic Portal, ed. A. Burnham* Stephen M. Hubbard, Brian W. Romans and Stephan A. Graham (2008) ''Deep-water foreland basin deposits of the Cerro Toro Formation, Magallanes basin, Chile: architectural elements of a sinuous basin axial channel belt'', Sedimentology, Mar. 2008
*
V.A. Ramos and J. Duncan Keppie (1999) ''Laurentia-Gondwana Connections Before Pangea'', Geological Society of America
Further reading
* Stephen M. Hubbard and Michael R. Shultz, ''Deep Burrows in Submarine Fan-Channel Deposits of the Cerro Toro Formation (Cretaceous), Chilean Patagonia: Implications For Firmground Development and Colonization in the Deep Sea'', Palaios, pp. 223–232
Geology of Chile
Geology of Patagonia
Toro, Cerro
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