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Hecho Group

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Journal Article
Published: 01 September 2009
Journal of Sedimentary Research (2009) 79 (9): 711–735.
... of the Eocene Hecho Group (south-central Pyrenees, Spain). In this succession, hybrid arenites and calclithites are extensively cemented by mesogenetic calcite cement (δ 18 O VPDB = −10.0‰ to −5.8‰; T h , mode = 80° C; salinity mode = 18.8 wt% eq. NaCl), Fe-dolomite (δ 18 O VPDB = −8.5‰ to −6.3‰) and trace...
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Journal Article
Journal: Geology
Published: 01 April 1981
Geology (1981) 9 (4): 161–164.
...D. R. Johns; E. Mutti; J. Rosell; M. Séguret Abstract Large-scale carbonate beds interbedded in basin-plain turbidites of the Eocene Hecho Group, northern Spain, are interpreted as giant turbidity-current deposits because of their internal organization and lateral extent. One such bed, the Roncal...
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Illustration based on <b>Hecho</b> <b>Group</b>, Ainsa area, southern Pyrenees, showing t...
Published: 01 February 2016
Figure 10. Illustration based on Hecho Group, Ainsa area, southern Pyrenees, showing the slope; slide scars on the slope act as downslope sediment conduits. The mass-transport deposit–dominated muddy slope apron captures turbidites in surface relief, which locally fills to spill and bypasses
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Surface ponding, underfilled moderate net-to-gross; <b>Hecho</b> <b>Group</b> (Eocene), A...
Published: 01 February 2016
Figure 23. Surface ponding, underfilled moderate net-to-gross; Hecho Group (Eocene), Ainsa 1 sand body, northern Spain (see Figure 10 above and Cronin et al., 1998 , for interpreted context). (A) Overview of part of lenticular sand body between mass-transport deposits (MTDs). (B) Detail
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Examples and field appearance of sampled outcrops of the <b>Hecho</b> <b>Group</b>.  A)  ...
Published: 01 September 2009
Figure 5 Examples and field appearance of sampled outcrops of the Hecho Group. A) TSU-2, and B) lower TSU-3 or Torla turbidite systems. Both outcrops are located in the Barranco del Sorrosal (west of the Boltaña anticline) and show strongly folded composite depositional sequences (third
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Compositional plots of the <b>Hecho</b> <b>Group</b> carbonate-rich arenites. First-order...
Published: 01 September 2009
Figure 6 Compositional plots of the Hecho Group carbonate-rich arenites. First-order NCE-CE-CI classification (after Zuffa 1985 ), second-order, Q–F–L classification (after Pettijohn et al. 1972 ) and Q–F–L + CE classification. Note the increase in L + CE toward the TSU-5. The most
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Modal analyses of the studied arenites of the <b>Hecho</b> <b>Group</b> “tectonosedimenta...
Published: 01 September 2009
Table 1 Modal analyses of the studied arenites of the Hecho Group “tectonosedimentary units” (TSU).
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Modal analyses of the studied arenites of the <b>Hecho</b> <b>Group</b> “tectonosedimenta...
Published: 01 September 2009
Table 1 Modal analyses of the studied arenites of the Hecho Group “tectonosedimentary units” (TSU).
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General paragenetic sequence of diagenetic events in the <b>Hecho</b> <b>Group</b> turbid...
Published: 01 September 2009
Figure 16 General paragenetic sequence of diagenetic events in the Hecho Group turbidite sandstones constructed on the basis of the textural relationships among diagenetic events.
Journal Article
Published: 08 October 2020
Journal of the Geological Society (2021) 178 (1): jgs2019-131.
... these Upper Hecho Group deposits in the middle Eocene (Lutetian). Nannofossil analysis identifies a biostratigraphic range from Subzone NP14b in the Gerbe System to Subzone NP15b at the top of the Aínsa System using key, age-diagnostic marker species such as Blackites inflatus , Blackites piriformis...
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Journal Article
Published: 01 June 1998
Journal of the Geological Society (1998) 155 (3): 429–432.
...B. CRONIN; D. OWEN; A. HARTLEY; B. KNELLER Abstract The Hecho Group is a classic sedimentary system from which turbidite classifications have been defined. This study of mudstone-rich intervals from this group suggests that published models in which Type 2 and 3 systems develop in response...
Journal Article
Published: 01 September 2005
Journal of Sedimentary Research (2005) 75 (5): 798–819.
.... Mutti et al. (1988) and Remacha et al. (1998b) identified six major Eocene turbidite wedges (allogroups), which stack to form the southward-migrating basin fill of the south-central Pyrenees foreland basin (Hecho Group after Mutti et al. 1972 ). Turbidite wedges are largely eroded in the north...
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Series: AAPG Memoir, AAPG Memoir
Published: 01 January 2004
DOI: 10.1306/M80924C16
EISBN: 9781629810478
... to represent excellent analogs to west African deep-water fields. The general scales of the channels seem similar to those observed in west Africa, and the facies types are comparable. The fact that west African deep-water fields were formed in a passive margin setting and the Hecho Group in a foreland basin...
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Chronostratigraphic succession of the turbidite system within the <b>Hecho</b> Gro...
Published: 01 September 2009
Figure 4 Chronostratigraphic succession of the turbidite system within the Hecho Group, showing the various tectonosedimentary units, the facies, and the studied sections.
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2416(03)
... part of the upper soil horizon. In the absence of a stabilizing rooted vascular plant cover in pre–mid-Paleozoic sediments, such mobile upper soil horizons were likely a common feature. La posibilidad de preservación de paleosuelos es un hecho raramente discutido, a pesar de ser un tema...
Series: GSA Special Papers
Published: 01 January 2005
DOI: 10.1130/0-8137-2393-0.401
... Huizachal Canyon, one of a series of generally east-west trending canyons in Tamaulipas, northeastern Mexico, exposes a pre–Late Jurassic sequence of fossiliferous pyroclastic and epiclastic rocks, the Huizachal Group. Heretofore considered a sedimentary package associated with either...
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2416(09)
... puede ser debido a los controles hidrológicos y climáticos. Así, si se tienen en cuenta las condiciones áridas y semiáridas, el hecho de que los bordes de la cuenca son fallas y la abundancia de travertinos, se puede considerar que los carbonatos se depositaron en una depresión somera y pantanosa...
Journal Article
Journal: AAPG Bulletin
Published: 01 March 2010
AAPG Bulletin (2010) 94 (3): 317–343.
... in the southeast ( Nijman and Nio, 1975 ) and flanked in the southwest by a carbonate slope. The Ainsa slope complex includes erosional and sand bypass elements that fed the deeper-water basin-floor deposits of the Hecho Group ( Mutti et al., 1972 , 1985 ) in the northwestern continuation of the foredeep basin...
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Journal Article
Journal: Geosphere
Published: 01 December 2014
Geosphere (2014) 10 (6): 1076–1093.
... into a retroarc foreland basin during the Triassic ( Tankard et al., 2009 ). In the Laingsburg depocenter the 1.3-km-thick Permian Ecca Group comprises a basal mudrock succession (Vischkuil Formation; Van der Merwe et al., 2009 ) ( Fig. 2 ), overlain by a sand-prone basin-floor to slope succession (Laingsburg...
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Series: GCSSEPM, GCSSEPM
Published: 01 December 2008
DOI: 10.5724/gcs.08.28.0248
EISBN: 978-0-9836096-2-9
... in the channel complex. The Eocene Hecho Group crops out in the southern area of the Central Pyrenees, and makes up a portion of the depositional fill of the Tremp-Pamplona basin; a foreland basin trending axially along the south side of the Pyrenees ( Fig. 1 ). The Hecho Group type area is around Jaca ( Fig.1...