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Talacasto Formation

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Image
Stratigraphic sections of the <span class="search-highlight">Talacasto</span> <span class="search-highlight">Formation</span>, showing its diachronic t...
Published: 01 May 2017
Figure 2 Stratigraphic sections of the Talacasto Formation, showing its diachronic top and the position of the bactritid occurrences.
Image
The <span class="search-highlight">Talacasto</span> <span class="search-highlight">Formation</span> in the field. ( 1 ) View to the south showing
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Published: 01 May 2017
Figure 3 The Talacasto Formation in the field. ( 1 ) View to the south showing Keidel’s bed in the middle-upper part of the Talacasto Formation at Loma de los Piojos section, near Jáchal. Younger levels are to the right. ( 2 ) Detail of the large
Journal Article
Journal: Palynology
Published: 22 December 2017
Palynology (2017) 41 (0): 138–157.
...Victoria J. García Muro; Claudia V. Rubinstein; Juan José Rustán ABSTRACT The palynological assemblages of the Talacasto and Punta Negra formations, from the Argentinean Precordillera, were analysed. Marine phytoplankton is dominant in both stratigraphic units. ? Cymatiosphaera florida , Evittia...
Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP325.12
EISBN: 9781862395732
... Abstract Plant assemblages are described from the Talacasto and Punta Negra Formations, San Juan Province, the Argentine Precordillera. A detailed facies study involving trace fossil assemblages indicates that the plants were buried in shallow low- to high-energy marine environments...
FIGURES | View All (10)
Journal Article
Published: 01 May 2017
Journal of Paleontology (2017) 91 (3): 417–433.
...Figure 2 Stratigraphic sections of the Talacasto Formation, showing its diachronic top and the position of the bactritid occurrences. ...
FIGURES | View All (6)
Journal Article
Published: 01 November 2010
Journal of Paleontology (2010) 84 (6): 1082–1098.
...Juan J. Rustán; N. Emilio Vaccari Abstract Five new species of Maurotarion Alberti, 1969 from the Silurian Lipeón Formation and Lower Devonian Talacasto Formation of Argentina are recognized. The comparisons with Bolivian and South African species support a Malvinokaffric clade based...
FIGURES | View All (8)
Journal Article
Published: 19 September 2016
Journal of Paleontology (2016) 90 (6): 1100–1111.
... species, from the Lower Devonian (probably late Lochkovian) of the Talacasto Formation, Argentine Precordillera. The visual surface of E . taphomimus indicates that a irregular pattern of lens arrangement, typical of early phacopids such as the Ordovician Ormathops , can also be recognized in more derived...
FIGURES | View All (5)
Journal Article
Published: 01 May 2020
Journal of Paleontology (2020) 94 (3): 498–512.
...Juan José Rustán; Beatriz G. Waisfeld; N. Emilio Vaccari Abstract The homalonotid trilobite Burmeisteria Salter, 1865 is revised from material from the Lower Devonian of central western Argentina (the Talacasto Formation in the Precordillera Basin). In contrast to other closely related Devonian...
FIGURES | View All (7)
Image
( 1–12 )  Bactrites gracilis  (Blumenbach,  1803 ) from the Early Devonian ...
Published: 01 May 2017
Figure 5 ( 1–12 ) Bactrites gracilis (Blumenbach, 1803 ) from the Early Devonian Talacasto Formation, San Juan, Argentina: ( 1–9 ) specimens from Keidel’s bed (latest Pragian?–earliest Emsian) at the Talacasto section; ( 10–12 ) specimen from
Journal Article
Published: 01 March 2012
Journal of Paleontology (2012) 86 (2): 253–257.
...David J. Holloway; Juan J. Rustán Abstract The trilobite Reedops is documented from strata probably corresponding to the middle part of the Talacasto Formation in the Sierra de las Minitas, at the northernmost extent of the Precordillera in La Rioja Province, northwestern Argentina. The specimens...
FIGURES
Image
Figure 5.  1–5 ,  Maurotarion (Malvinotarion?)  n. sp. A, CEGH-UNC 23.949, ...
Published: 01 November 2010
, external mould (latex replica), upper part of the Talacasto Formation at La Chilca section, Early Emsian, San Juan Province; 11–15 , Maurotarion (Malvinotarion) sp., CEGH-UNC 7.086: 11 ; internal mould, 12–15 external mould (latex replica); lower part of the Talacasto Formation at Portezuelo del
Image
Location map and schematic stratigraphic column of the fossil locality reco...
Published: 19 September 2016
Figure 1 Location map and schematic stratigraphic column of the fossil locality recording Echidnops taphomimus n. sp. in the Lochkovian of the Talacasto Formation, Quebrada de Las Aguaditas, Sierra de Los Blanquitos, San Juan Province, Argentina. LEF=Los Espejos Formation (Upper Silurian); PNF
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U-Pb age distributions along the Devonian basin of the Mendoza and Central ...
Published: 09 September 2023
Block; PN, Punta Negra Formation; T, Talacasto Formation; V, Villavicencio Formation.
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Paciphacops  ( Paciphacops )  Maksimova, 1972 , infaunal  molt  ensembles. ...
Published: 01 May 2011
Formation, San Juan Province, Argentina. D: Paciphacops ( Paciphacops ) new species B, PULR 118 (Paleontología, Universidad de La Rioja), posterolateral dorsal view; note dorsal bending; late Lochkovian, Sierra de las Minitas, Talacasto Formation, La Rioja Province, Argentina. E: Paciphacops
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Figure 1. Location map of the studied areas, with detail of fossiliferous l...
Published: 01 November 2010
(modified from Rickards et al., 2002 ; Benedetto, 1991 ); 2 , Silurian-Devonian outcrops of the Los Espejos and Talacasto Formations in central west Argentina, Argentine Precordillera, San Juan Province. See the section on geological setting in the text for a characterization of each stratigrahic column
Image
Reedops cf. R. bronni ( Barrande, 1846 ), from strata probably correspondin...
Published: 01 March 2012
F igure 2 Reedops cf. R. bronni ( Barrande, 1846 ), from strata probably corresponding with middle part of Talacasto Formation (Pragian), Sierra de las Minitas, northwestern La Rioja Province, Argentina. 1–3, 6 , incomplete cephalon and partially enrolled thorax, PULR 158, cephalon in dorsal
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Figure 2.  1–17 ,  Maurotarion (Malvinotarion) talacastoense  n. sp.;  7–11...
Published: 01 November 2010
cephalon; 12 , CEGH-UNC 23.985; small cranidium showing large palpebral lobes. All from the lower part of the Talacasto Formation, at Talacasto Creek section, Lochkovian, San Juan Province. Scale bar: 5 mm
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( 1–13 )  Burmeisteria notica  (Clarke,  1913 ) cephalic morphology. All sp...
Published: 01 May 2020
Figure 5. ( 1–13 ) Burmeisteria notica (Clarke, 1913 ) cephalic morphology. All specimens from Pragian nodules of the middle upper part of the Talacasto Formation at Cerro la Chilca Section. ( 1–4, 7 ) CEGH-UNC 24187, partially preserved cephalon; ( 1 ) dorsal view; ( 2 ) frontal view; ( 3
Image
Burmeisteria notica  (Clarke,  1913 ), pygidial morphology. ( 1–16 ) Specim...
Published: 01 May 2020
Figure 6. Burmeisteria notica (Clarke, 1913 ), pygidial morphology. ( 1–16 ) Specimens from Pragian nodules of the middle upper part of the Talacasto Formation at Cerro la Chilca Section. ( 1–3. 16 ) CEGH-UNC 24101, partially preserved pygidium; ( 1 ) dorsal view; ( 2 ) posterior view; ( 3
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Figure 4.  1–10 ,  Maurotarion (Malvinotarion) haudei  n. sp.;  1–5 , holot...
Published: 01 November 2010
, dorsoanterolateral view showing wide and depressed thorax; 10 , anterior view, note the extreme lateral expansion of librigenal border. All from the upper part of the Talacasto Formation, at Loma de los Piojos section, Early Emsian, San Juan Province. Scale bar: 5 mm