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Punta Torcida Formation

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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1999
AAPG Bulletin (1999) 83 (2): 295–313.
... studies at the Punta Torcida anticline depict an Eocene composite section about 1600 m thick assigned to the La Despedida Group. This group is divided into three formations: Punta Torcida (215 m), Leticia (520 m), and Cerro Colorado (855 m). These formations are subdivided into informal members...
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—Composite stratigraphic section of the <b>Punta</b> <b>Torcida</b>, Leticia, and Cerro C...
Published: 01 February 1999
Figure 3 —Composite stratigraphic section of the Punta Torcida, Leticia, and Cerro Colorado formations at their type area. Lithological, compositional, and paleontological features; thickness; location and composition of micropaleontological samples; age; and stratigraphic divisions are shown
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Microfossils Distribution in the PTa, PTb, and PTc Members of the <b>Punta</b> Tor...
Published: 01 February 1999
Table 1. Microfossils Distribution in the PTa, PTb, and PTc Members of the Punta Torcida Formation*
Journal Article
Published: 01 October 2009
Journal of Foraminiferal Research (2009) 39 (4): 316–321.
... foraminifera ( Náñez, 2007 ). In our search for minute planktonic forms in the Fuegian Paleogene, we also found the triserial Jenkinsina triseriata (Terquem) in the upper lower Eocene, upper Punta Torcida Formation. It is noteworthy that Zeauvigerina, a serial genus typical of the Eocene...
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Figure  1 — 1,  Location map showing the geographic occurrence of the descr...
Published: 01 July 2004
Figure 1 — 1, Location map showing the geographic occurrence of the described trace fossils in James Ross Island, Antarctica, and Tierra del Fuego. 2, Locality map and outcrops of the early Eocene Punta Torcida Formation in Tierra del Fuego. Circled area shows the location of the type section
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1–6  Chiloguembelina noguerensis  Malumián, Jannou and Náñez n. sp., Pun...
Published: 01 October 2009
of the surface. 13 Jenkinsina triseriata (Terquem), SEGEMAR 2892, upper lower Eocene, Punta Torcida Formation, upper member, a, lateral view, b, enlargement showing a dense cover of tubercles. Scale bar = 100 μm, except the details as indicated.
Image
—(A) Structural style and stratigraphic relationships in the type area of t...
Published: 01 February 1999
Figure 2 —(A) Structural style and stratigraphic relationships in the type area of the Punta Torcida, Leticia, and Cerro Colorado formations. See Figure 1 for location. (B) Geological cross section between Río Irigoyen–Cabo Irigoyen.
Journal Article
Published: 01 July 2004
Journal of Paleontology (2004) 78 (4): 783–789.
...Figure 1 — 1, Location map showing the geographic occurrence of the described trace fossils in James Ross Island, Antarctica, and Tierra del Fuego. 2, Locality map and outcrops of the early Eocene Punta Torcida Formation in Tierra del Fuego. Circled area shows the location of the type section...
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Series: SEPM Special Publication, SEPM Special Publication
Published: 01 January 2007
DOI: 10.2110/pec.07.88.0301
EISBN: 9781565762909
... (Nuttall), Early Eocene, Punta Torcida Formation, Austral Basin. Circular holes sharp in outline, perpendicular to test surface without apparent distribution pattern. F.J ) Big solitary borings typical of Polymorphinidae tests. F) Guttulina lactea (Walker and Jacob), Danian, Jagüel Formation, Neuquén...
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Series: Geological Society, London, Special Publications, Geological Society, London, Special Publications
Published: 01 January 2011
DOI: 10.1144/SP349.7
EISBN: 9781862395978
... Leticia Anticline and folding of the Punta Torcida Formation); (c) during the Lutetian, out-of-sequence thrusting acts hinterlandwards from the deformation front (Punta Ancla Thrust); (d) significant subsidence and sedimentation take place from the Late Lutetian–Oligocene; (e) backthrusting occurs...
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Journal Article
Published: 01 May 2013
Journal of Paleontology (2013) 87 (3): 413–426.
... bioturbated and fossil-rich, very fine-grained shelfal sandstones and mudstones ( Olivero and Malumián, 1999 ). The base of the Leticia Formation rests on a major unconformity in the turbidites of the early Eocene Punta Torcida Formation. Another unconformity separates the top of the Leticia Formation from...
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Journal Article
Published: 01 April 2001
Journal of Foraminiferal Research (2001) 31 (2): 164–167.
... continental adyacente, Argentina—Ameghiniana, v. 37, no. 1,2000, p. 91–102, 4 figures (Spanish w/English abstract).—“A diverse group of unilocular calcareous Foraminifera comprising at least twenty five species is described from the Lower Eocene of the Rio Bueno and Punta Torcida Formations, Austral Basin...