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Contents

   



(Top)
 


1 Paleobiology  





2 Depositional environments  





3 Fossil content  



3.1  Flora  







4 References  














Anfiteatro de Ticó Formation







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Coordinates: 48°30S 69°12W / 48.5°S 69.2°W / -48.5; -69.2
 

From Wikipedia, the free encyclopedia
 


Anfiteatro de Ticó Formation
Stratigraphic range: Aptian
~119–116 Ma

O

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TypeGeological formation
Unit ofBaqueró Group
UnderliesBajo Tigre Formation
Lithology
PrimarySandstone, siltstone
OtherConglomerate
Location
Coordinates48°30′S 69°12′W / 48.5°S 69.2°W / -48.5; -69.2
Approximate paleocoordinates49°24′S 35°24′W / 49.4°S 35.4°W / -49.4; -35.4
RegionSanta Cruz
CountryArgentina
ExtentDeseado Massif
Type section
Named forAnfiteatro de Ticó, Santa Cruz, Argentina
Named bySergio Archangelsky
Anfiteatro de Ticó Formation is located in Argentina
Anfiteatro de Ticó Formation

Anfiteatro de Ticó Formation (Argentina)

The Anfiteatro de Ticó Formation is a geological formation from the Deseado Massif in the province of Santa Cruz, Argentina.

Paleobiology[edit]

The Anfiteatro de Ticó preserves a rich and diverse flora including macrofossils, mesofossils, and microfossils. These have been object of detailed investigations since the 1960'.[1][2][3]

Depositional environments[edit]

The formation is of continental origin, and includes riparian and lacustrine deposits.

Fossil content[edit]

The following fossils were reported from the formation:[4]

Flora[edit]

Bryophytes
Horsetails
Ferns
  • Cladophlebis antarctica
  • Cyathea cyathifolia
  • Baqueroites padulae
  • Adiantopteris tripinnata
  • Korallipteris vegagrandis
  • Conifers
  • Apterocladus lanceolatus
  • Morenostrobus fertilis
  • Podocarpus dubius
  • Squamastrobus tigrensis
  • Tarphyderma glabra
  • Tomaxellia degiustoi
  • Tomaxellia biforme
  • Trisacocladus tigrensis
  • Ginkgoales
  • Ginkgoites ticoensis
  • Allicospermum patagonicum
  • Karkenia incurva
  • Cycadales
  • Eobowenia incrassata
  • Sueria rectivervis
  • Mesosingeria coriacea
  • Mesosingeria oblonga
  • Ticoa harrisii
  • Ticoa lanceolata
  • Ticoa magnipinnulata
  • Pseudoctenis crassa
  • Pseudoctenis dentata
  • Caytoniales
  • Ruflorinia pilifera
  • Ruflorinia papillosa
  • Ktalenia circularis

  • References[edit]

    1. ^ Archangelsky, Sergio (1963). "A new Mesozoic flora from Ticó, Santa Cruz Province, Argentina". Bulletin of the British Museum (Natural History), Geology. 8 (2): 45–62. doi:10.5962/p.313876.
  • ^ Llorens, M.; Loinaze, V.S. Perez; Passalia, M.G.; Vera, E.I. (February 2020). "Palynological, megafloral and mesofossil record from the Bajo Grande area (Anfiteatro de Ticó Formation, Baqueró Group, Upper Aptian), Patagonia, Argentina". Review of Palaeobotany and Palynology. 273: 104137. doi:10.1016/j.revpalbo.2019.104137. hdl:11336/106118. ISSN 0034-6667.
  • ^ Perez Loinaze, Valeria S.; Vera, Ezequiel I.; Passalia, Mauro G.; Llorens, Magdalena; Friedman, Richard; Limarino, Carlos O.; Césari, Silvia N. (December 2013). "High-precision U–Pb zircon age from the Anfiteatro de Ticó Formation: Implications for the timing of the early angiosperm diversification in Patagonia". Journal of South American Earth Sciences. 48: 97–105. doi:10.1016/j.jsames.2013.08.005. hdl:11336/5366. ISSN 0895-9811.
  • ^ Anfiteatro de Ticó FormationatFossilworks.org

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Anfiteatro_de_Ticó_Formation&oldid=1228646417"

    Categories: 
    Geologic formations of Argentina
    Lower Cretaceous Series of South America
    Cretaceous Argentina
    Aptian Stage
    Sandstone formations
    Siltstone formations
    Lacustrine deposits
    Paleontology in Argentina
    Geology of Santa Cruz Province, Argentina
    Geology of Patagonia
    Hidden categories: 
    Pages using gadget WikiMiniAtlas
    Coordinates on Wikidata
     



    This page was last edited on 12 June 2024, at 11:16 (UTC).

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