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Cerro de la Parva Argentina

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Journal Article
Published: 01 May 2014
Journal of Sedimentary Research (2014) 84 (5): 373-393.
... the Pliocene, extensional reactivation of faults inverted during the Miocene coincided with the eruption of the small, intraplate, alkali-basalt cones of Parva Negra (K/Ar of 4.5 Ma ± 0.5 Ma; Ramos and Barbieri 1989 ) and Cerro La Horqueta. Finally, Pleistocene–Holocene normal faulting and basic alkaline...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.04
EISBN: 9781862395008
... Province), Buta Ranquil, Pampa Tril, Cerro La Parva, Mina San Eduardo, Agua de la Mula and El Marucho (Neuquén Province) (Fig. 2 ). The La Amarga Formation includes continental sediments that crop out south of Zapala. The Bañados de Caichigüe Member yields a characteristic palynological assemblage...
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Series: SEPM Special Publication
Published: 01 January 2007
DOI: 10.2110/pec.07.88.0097
EISBN: 9781565762909
...., 1984 ). Northward of the type area, as in Cerro La Parva, the Mulichinco Formation has ammonoids of late Early to Early Late Valanginian age (Olcostephanus (Olcostephanus) atherstoni, Aguirre-Urreta et al., 2005 ). Even farther north, as in the study area ( Fig. 1 B), the lower part...
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Journal Article
Journal: Palynology
Published: 01 December 2013
Palynology (2013) 37 (2): 202-217.
... of the species found in the La Yesera and Lagarcito formations (north and central-western Argentina, respectively). Four genera and 11 species are described: Cicatricosisporites cuneiformis , C. pramparoana , C. sp. 1, Fisciniasporites sp. cf. F. brevilaesuratus , F . sp., Nodosisporites sp., Ruffordiaspora...
FIGURES
Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.15
EISBN: 9781862395008
... at several localities (Aguirre-Urreta 1989 ). M. rapax belongs to the Mecochiridae, a family of decapod crustaceans that became extinct in the Upper Cretaceous, within the Superfamily Glypheaoidea. At Cerro La Parva, specimens of M. rapax are highly abundant, being preserved in incomplete calcareous...
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Journal Article
Published: 01 January 2005
Journal of Paleontology (2005) 79 (1): 89-109.
...) strata in the Las Aguaditas Formation at its type locality near San José de Jáchal in San Juan Province. Baldis and Pöthe (1995) did not take advantage of the silicification of the Las Aguaditas trilobites, which provides a more complete record of ontogeny and morphology than the ‘crack-out...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.12
EISBN: 9781862395008
... opaque (inertinitic) in a northerly, distal direction (an often-observed pattern: Tyson 1995 ). Prámparo & Volkheimer ( 1999 ) report an exclusively terrestrial, phytoclast-dominated kerogen assemblage from clay intraclasts within the Avilé Member at Cerro de la Parva (approximately 15 km NW of Chos...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.02
EISBN: 9781862395008
... basalts developed in the foreland region along the northern end of the Sierra de Los Chihuidos that have been described by Ramos ( 1981 ). These volcanic rocks erupted in the western sector of the Neuquén Embayment, such as in the Cerro Parva Negra volcano, and were dated at 4.5 ± 0.5 Ma (Ramos &...
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Series: Geological Society, London, Special Publications
Published: 01 January 2005
DOI: 10.1144/GSL.SP.2005.252.01.06
EISBN: 9781862395008
... of the study area, showing Mulichinco Formation outcrops, location of measured sections and the three regions in which they were grouped. BL, Barranca de Los Loros; CP, Casa de Piedra; CC, Cerro Curaco; ED, El Durazno; EC, Estancia Coihueco; LM, Los Menucos; LP, La Parva; LR, Loma Rayoso; PC, Puerta Curaco; PN...
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Journal Article
Published: 01 November 2007
Journal of Paleontology (2007) 81 (6): 1442-1453.
.... However, the species was defined on the basis of a single poorly preserved left valve of a juvenile specimen.   Figure 2 —Geological setting and location of the Quebrada Las Aguaditas (1), and Mogotes Azules sections (2) Type and figured specimens are housed in the CIPAL, Centro de...
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Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2407(05)
... Medanito, CL—Catan Lil, LC—Las Coloradas–Cerro Calcatre, Sa—Sañico, CHM—China Muerta, ES—El Sauce, BC—Bajada Colorada, PH—Plaza Huincul, DCh—Dorso de los Chihuidos, SR—Sierra de Reyes, CC—Cara Cura, EL—Entre Lomas, BV—Bajada Vidal, RN—Río Neuquén, EV—Estancia Vieja, EM—El Mangrullo. Dashed lines...
Journal Article
Published: 01 March 2007
Journal of Paleontology (2007) 81 (2): 261-285.
... and Albanesi, 2000 ). Tortello (2003) and Tortello and Esteban (2003) described a varied olenid-agnostoid fauna from the same formation at Sierra de Cajas and recognized the Pseudorhaptagnostus – Gymnagnostus Subzone, which spans the lower half of the Parabolina ( Neoparabolina ) frequens argentina...
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Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2407(02)
.... In contrast, Cerro Bayo de La Esperanza and Cerro Caicayén region samples are more like early Paleocene samples in that they have higher alkali contents, higher La/Ta, Ba/Ta, La/Yb, La/Sm, and Sm/Yb ratios, and lower Ta/Hf ratios than Cayanta samples ( Figs. 5–8 ). Mafic Bayo de la Esperanza region samples...
Journal Article
Published: 01 July 2007
Journal of Paleontology (2007) 81 (4): 754-759.
...) ,, 191 . 201 – 220 . Carrera , M. G. , 1996a , Ordovician Megamorinid demosponges from San Juan Formation, Precordillera, western Argentina : Geobios ,, 29 . 643 – 650 . Carrera , M. G. , 1996b , Nuevos poríferos de la Formación San Juan (Ordovícico), Precordillera Argentina...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 2003
GSA Bulletin (2003) 115 (12): 1523-1537.
... formation (the Colorado–La Parva Formation; Thiele, 1980 ) because of the presence of an angular unconformity at its base. The rocks of this member occur in several separate areas, some of which are eroded volcanic complexes, e.g., Cerro La Parva ( Fig. 2 ) and Cerro El Plomo ∼10 km farther north...
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Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2407(09)
... in Figure 2B . They are: (1) 26 ± 2 Ma for a flow between Loma Alta and Loma Negra, (2) 24 ± 1 Ma for a flow between Mendieta and Puesto Loma Negra, (3) 23 ± 2 Ma for a flow in the Loma de las Ramadas south of Cerro Las Lajas, (4) 22 ± 5 Ma for a flow at the Loma de los Ojos de Agua north of Cerro Las Lajas...
Journal Article
Journal: Economic Geology
Published: 01 August 2005
Economic Geology (2005) 100 (5): 887-904.
...Peter Hollings; David Cooke; Alan Clark Abstract The giant porphyry copper-molybdenum deposits of central Chile formed within a thick sequence of Cretaceous to Pliocene volcanic rocks. The predominantly calc-alkaline basaltic andesites of the Cretaceous Las Chilcas Formation are characterized by La...
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Journal Article
Published: 01 January 2001
Journal of Paleontology (2001) 75 (1): 186-207.
... Argentina (Precordillera), China, and Australia. Bergstroemognathus hubeiensis, described from east-central Iran, has been previously recorded only from China, while the slightly younger B. kirki seems endemic to central and northern Australia, where it was restricted to shallow, warm water environments...
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Journal Article
Journal: Palynology
Published: 03 April 2017
Palynology (2017) 41 (2): 230-254.
... Formation (De Geerdalen Formation equivalent). Samples from core 7830/5-U-1 yielded a well-preserved and taxonomically diverse palynomorph association indicative of an earliest Late Triassic (Carnian) age, consistent with previously published Rhenium-Osmium (Re-Os) dates from other cores drilled in the area...
Series: AAPG Memoir
Published: 01 January 2009
DOI: 10.1306/13191084M902804
EISBN: 9781629810287
... and 10,499 ft), and the second was drilled in the Bejuco 6 and the La Laja 8 wells between 2000 and 2500 m (6562 and 8202 ft). In the Bejuco 6 well, the lower Tamaulipas Formation represents a condensed section. Geophysical logs and ammonites allow the characterization and age dating of these units. Two...
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