Trace fossils from marginal lacustrine deposits of the Cretaceous Jinju Formation, southern coast of Korea

Kim, Jeong Yul; Keighley, Dave; Pickerill, Ron K.; Hwang, Wongee; Kim, Kyung-Soo

doi:10.1016/j.palaeo.2004.12.008

Cited by 58 publications

(29 citation statements)

References 60 publications

(59 reference statements)

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“…Keighley and Pickerill (2003) offered emended concepts for the Mermia and Skolithos ichnofacies, and in Carboniferous nonmarine rocks of eastern Canada, recognized ichnocoenoses that contained traces from both ichnofacies. In continental rocks from the Cretaceous of South Korea, Kim et al (2005) also concluded that in some of their track bearing ichnocoenoses there were traces characteristic of the Mermia, Skolithos, and Scoyenia ichnofacies. These authors separated traces into "morphological groups" that themselves are characteristic of discrete ichnofacies, and used these groups to conclude that some of their assemblages represented composites of more than one ichnofacies (Keighley and Pickerill 2003;Kim et al 2005).…”

Section: Paleoenvironmental Interpretationsmentioning

confidence: 99%

“…In continental rocks from the Cretaceous of South Korea, Kim et al (2005) also concluded that in some of their track bearing ichnocoenoses there were traces characteristic of the Mermia, Skolithos, and Scoyenia ichnofacies. These authors separated traces into "morphological groups" that themselves are characteristic of discrete ichnofacies, and used these groups to conclude that some of their assemblages represented composites of more than one ichnofacies (Keighley and Pickerill 2003;Kim et al 2005). If the approach of these authors is applied to the Hoover Quarry assemblage, morphological groups VII (Palaeophycus, Planolites), VIII (Eubrontes cf.…”

Section: Paleoenvironmental Interpretationsmentioning

confidence: 99%

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Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Collette

Getty²,

Hagadorn

2011

atgeol

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Jurassic sandstones of the Hartford Basin are well known for their dinosaur trackways, but few studies have characterized their invertebrate ichnofaunas. A notable Portland Formation exposure in this area is the Hoover Quarry in East Longmeadow, Massachusetts, where vertebrate skeletal material (the type specimen of the crocodilian Stegomosuchus longipes) occurs in association with a diverse ichnofauna. Hoover Quarry ichnogenera include Eubrontes cf. gracilis, Planolites beverleyensis, Planolites montanus, probable Scoyenia burrows, and Skolithos isp. Also preserved at the site is Palaeophycus tortuosus, a sinusoidal burrow that had been previously synonymized with Palaeophycus tubularis. A probable Skolithos burrow termination with an unusual pattern of scratches also occurs, along with several problematic stellate structures. At this site, primary sedimentary structures on trace bearing surfaces are consistent with deposition in a shallow aquatic environment that was periodically emergent. Viewed in the context of nearby sections of the Portland Formation, Hoover Quarry exposures could have been deposited in fluvial, ephemeral lacustrine, or playa environments. Traces in the Hoover Quarry indicate Scoyenia-Skolithos-composite ichnofacies, elements of which are commonly produced in continental firmground environments. RÉSUMÉLes grès du Jurassique dans le bassin de Hartford sont reconnus pour la présence d'empreintes de dinosaures. Mais peu d'études ont permis de caractériser l'ichnofaune invertébrée qu'on peut également y observer. Un affleurement notable de la Formation Portland dans la région est présent dans la carrière Hoover, à East Longmeadow, au Massachusetts, où des matériaux de squelettes de vertébrés (le spécimen type du crocodilien Stegomosuchus longipes) et une ichnofaune diversifiée sont présents. L'ichnofaune de la carrière Hoover comprend les espèces comme Eubrontes cf. gracilis, Planolites beverleyensis, Planolites montanus, vraisemblablement des terriers de Scoyenia, et Skolithos. Il y a également sur le site l'espèce Palaeophycus tortuosus, un terrier sinusoïdal qui a déjà été nommé Palaeophycus tubularis. L'extrémité d'un terrier de l'espèce probable Skolithos accompagnée d'une série inusitée de stries ou d'éraflures est en outre présente, tout comme plusieurs structures étoilées dont l'origine demeure mystérieuse. Sur le site, des structures primaires sur des surfaces marquées de traces correspondraient à une sédimentation dans un milieu aquatique peu profond qui a émergé à intervalles périodiques. Considéré dans le contexte des sections de la Formation Portland, situées à proximité, le dépôt des affleurements de la carrière Hoover pourrait être survenu dans un milieu fluvial, lacustre éphémère ou en présence d'un lac temporaire. Les traces relevées dans la carrière Hoover indiquent la présence d'un ichnofaciès composite de type Scoyenia-Skolithos, dont les éléments sont couramment produits dans un milieu de sol continental à cohésion moyenne.[Traduit par la redaction]

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Section: Paleoenvironmental Interpretationsmentioning

confidence: 99%

Section: Paleoenvironmental Interpretationsmentioning

confidence: 99%

Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Collette

Getty²,

Hagadorn

2011

atgeol

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“…could have been already abundant in this period (e.g., Kim et al, 2005;Fernandes and Carvalho, 2006 and references therein). In addition, some vertical burrow traces were also detected in the flood plain deposits of the Iharkút open-pit (Fig.…”

Section: Accepted M Manuscriptmentioning

confidence: 99%

Facies architecture and palaeoenvironmental implications of the upper Cretaceous (Santonian) Csehbánya formation at the Iharkút vertebrate locality (Bakony Mountains, Northwestern Hungary)

Botfalvai

Haas

Bodor

et al. 2016

Palaeogeography, Palaeoclimatology, Palaeoecology

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The Csehbánya Formation (Santonian), exposed in the Iharkút open-pit, BakonyMountains, Hungary, is made up of a cyclic alternation of conglomerate, sandstone, and variegated siltstone and clay deposited in a fluviolacustrine environment. As a result of continuous excavation since 2002 it has yielded rich and diverse continental vertebrate and plant assemblages. A facies and architectural analysis of the Csehbánya Formation at this location identified four main lithofacies associations with eight subtypes consisting of (1) lenticular sandstones representing river channels, (2) conglomerates with sandstone (coarse grained likewise representing channel deposits), (3) heterolithic-channel fill (high density flash flow deposits) (4) splay sandstones produced by crevasse splays, (5) dark sandy siltstone (small-scale stagnant pool deposits with high organic content), (6) greenish-grey claystone (deposits of shallow lakes and ponds), (7) reddish (moderately drained) paleosols, (7) yellowish, mottled (hydromorphic) paleosols.The sedimentological investigations revealed that the terrestrial deposits exposed by the Iharkút open-pit were formed in an anastomosing fluvial system because: (i) the alluvial architecture is characterized by large proportion of overbank deposits encasing the channel sandstone bodies, (ii) the ribbon shaped sandstone bodies are dominant, (iii) cross-bedding and lateral accretion are almost completely absent in the channel fill deposits and (iv) the sandstone bodies are clearly isolated from each other, embedded in floodplain sediments, suggesting multiple co-existing channels.The most important vertebrate fossil site (SZ-6) was examined in special detail because it shows peculiar lithological features. The layers richest in fossils (Unit 1) of site is interpreted as a lag deposit formed during an episodic high density flash flood event representing a relatively short time interval, i.e., probably within a single rainy season. A C C E P T E D M A N U S C R I P T ACCEPTED MANUSCRIPT 1 1. INTRODUCTIONA significant part of continental vertebrate fossils is found in alluvial deposits thus the reconstruction of the depositional history of alluvial sequences is the main goal of any sedimentological, paleontological and taphonomical examination of vertebrate sites (Behrensmeyer, 1982(Behrensmeyer, , 1988Retallack, 1984; Badgley, 1986a,b;Eberth and Miall, 1991;Nadon, 1993;Therrien, 2005;Roberts, 2007). One of the reasons for the accumulation of rich vertebrate fossil-bearing strata is that a relatively high number of animals are attracted to the floodplain due to abundant water and food supply (different plants or prey), which can result in a rich accumulation of bones (Behrensmeyer, 1988;Nadon, 1993;Andersson and Kaakinen, 2004). Furthermore, certain floodplain environments are favourable for bone preservation because of the relatively high depositional rate, post-mortem transportation, and reworking of animal remains by various fluvial processes (Behrensmeyer, 1988;Aslan and Behrensmeyer, 1996)....

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“…The Mermia ichnofacies occurs in shallow to deep lacustrine facies (Buatois & Mangano 2007; reduction in ichnotaxonomic diversity with decreasing depth has been documented; Melchor 2004). Co-occurrence of Mermia and Scoyenia ichnofacies trace fossils have been interpreted as overprinting of marginal lacustrine bioturbation on biogenic structures produced in permanently submerged sediments (Kim et al 2005); this corroborates extension of the Mermia ichnofacies into very shallow water. Because Mermia ichnofacies trace fossils occur in other ichnofacies, modifications in terminology have been suggested to make them more distinctive (Kim et al 2005).…”

Section: Comparing Trace Fossils and Modern Tracesmentioning

confidence: 77%

Benthic invertebrate activity in lakes: linking present and historical bioturbation patterns

White

Miller²

2008

Aquat. Biol.

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Trace fossils of lacustrine benthos are less well known than those of marine benthos, limiting their potential use in interpreting paleo-environmental conditions, including climate change, reconstructing lake ecosystems, and predicting effects of sediment mixing of paleoclimate records.Here, we present a synopsis of limnological controls on the distribution of present day lacustrine benthos, a synopsis of their burrowing and feeding habits, and a summary of the traces they produce. Maximum diversity and density of benthos occur in sublittoral zones and decrease both shoreward and basinward. Common taxa include bivalves (unionids, sphaeriids), snails, oligochaetes, amphipods, and insects (particularly chironomids and ephemeropterans). With a few exceptions, traces produced are morphologically simple, shallowly inscribed, and have low preservation potential. Although lacustrine benthic organisms are widespread, variability within and between lakes causes them and their traces to be patchily distributed. To truly understand the records left in lacustrine sediments and the links between modern and ancient traces, we need comprehensive surveys over a range of lake types and collaborations between ichnologists and benthic ecologists.KEY WORDS: Lake benthos · Lacustrine fauna · Lake ecology · Paleolimnology · Ichnofacies

show abstract

Trace fossils from marginal lacustrine deposits of the Cretaceous Jinju Formation, southern coast of Korea

Cited by 58 publications

References 60 publications

Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Insights into an Early Jurassic dinosaur habitat: ichnofacies and enigmatic structures from the Portland Formation, Hoover Quarry, Massachusetts, U.S.A.

Facies architecture and palaeoenvironmental implications of the upper Cretaceous (Santonian) Csehbánya formation at the Iharkút vertebrate locality (Bakony Mountains, Northwestern Hungary)

Benthic invertebrate activity in lakes: linking present and historical bioturbation patterns

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