Log-Grounds and<i>Teredolites</i>in Transgressive Deposits, Eocene Tallahatta Formation (Southern Alabama, USA)

Savrda, Charles E.; Counts, John W.; McCormick, Olivia; Urash, Rick; Williams, Jason

doi:10.1080/10420940590914507

Cited by 24 publications

(4 citation statements)

References 14 publications

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“…Alabama's Cenozoic formations crop out in a belt running east-west and northwest-southeast through the south central portion of the state (Figure 1). This outcrop belt reflects marine inundation of topographically low-lying areas in the Gulf Coastal Plain during the Late Cretaceous and Cenozoic (Toulmin & La Moreaux, 1963;Ivany, 1998;Manning, 2003;Savrda et al, 2005;. Eocene sediments in Alabama are represented by the upper Wilcox, Claiborne, and Jackson Groups.…”

Section: Geology Of Pigeon Creek Conecuh-covington Counties South-cmentioning

confidence: 99%

Osteichthyans From the Tallahatta–lisbon Formation Contact (Middle Eocene–lutetian) Pigeon Creek, Conecuh-Covington Counties, Alabama

Maisch¹,

Becker²,

Raines³

et al. 2016

Geological Society of America Abstracts With Programs

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A disconformity and lag deposit that separates the Tallahatta and Lisbon Formations along Pigeon Creek near Red Level, Conecuh-Covington Counties, Alabama contains osteichthyan remains belonging to: Pycnodus sp.; Lepisosteus sp.; Albula sp.; Egertonia isodonta Cocchi, 1864; Cylindracanthus rectus Agassiz, 1843; Sphyraena sp.; Triciurides cf. T. sagittidens Winkler, 1874; Scomberomorus sp.; Ariidae gen. indet.; Ostraciidae gen. indet., and cf. Beryciformes. This fossil osteichthyan assemblage is similar to other contemporaneous nearshore faunas found throughout Alabama, the Atlantic and Gulf Coastal Plains, and elsewhere throughout the Northern Ocean Basin. The accumulation and concentration of osteichthyans between the Tallahatta and Lisbon Formations is the result of third order eustatic sea level fluctuation and reflects a complex taphonomic history of exhumation, transport, and reburial across a shallow, middle Eocene shelf. Wide spread distribution of osteichthyan genera found in the Pigeon Creek assemblage demonstrates the continuity of shallow marine shelf environments of the Northern Atlantic Ocean Basin during the middle Eocene and the utility of osteichthyans in regional and transatlantic stratigraphic studies.

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Section: Geology Of Pigeon Creek Conecuh-covington Counties South-cmentioning

confidence: 99%

Osteichthyans From the Tallahatta–lisbon Formation Contact (Middle Eocene–lutetian) Pigeon Creek, Conecuh-Covington Counties, Alabama

Maisch¹,

Becker²,

Raines³

et al. 2016

Geological Society of America Abstracts With Programs

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“…Thalassinoides and Asterosoma (Savrda et al, 2005), as well as from fjord-head deposits (Buatois and Mángano, 2011) and in Pleistocene glaciomarine diamictites of the Yakataga Formation in the Gulf of Alaska, together with Teichichnus, Rhizocorallium, and Zoophycos (James et al, 2009). This ichnogenus was also reported from the Miocene (Badenian) of western Ukraine Diopatraand considered as an (Wysocka et al, 2012), and from middle Pleistocene lower shoreface sediments belonging to the Kongochi Fm.…”

Section: Palaeoenvironmental and Stratigraphic Rangementioning

confidence: 72%

The trace fossil Diopatrichnus santamariensis nov. isp. – a shell armored tube from Pliocene sediments of Santa Maria Island, Azores (NE Atlantic Ocean)

Uchman

Quintino

Rodrigues

et al. 2017

Geobios

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“…The internal wood below the distinct charring layer appears uncharred/unaltered and shows no evidence of decay prior to burning. The absence of bio-erosion, such as Teredolites 30 , also suggests negligible post-mortem residence time at air/water and water/sediment interfaces.…”

Section: Resultsmentioning

confidence: 99%

Timing and causes of forest fire at the K–Pg boundary

Catharina

Kneller

Marques

et al. 2022

Sci Rep

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We report K–Pg-age deposits in Baja California, Mexico, consisting of terrestrial and shallow-marine materials re-sedimented onto the continental slope, including corals, gastropods, bivalves, shocked quartz grains, an andesitic tuff with a SHRIMP U–Pb age (66.12 ± 0.65 Ma) indistinguishable from that of the K–Pg boundary, and charred tree trunks. The overlying mudstones show an iridium anomaly and fungal and fern spores spikes. We interpret these heterogeneous deposits as a direct result of the Chicxulub impact and a mega-tsunami in response to seismically-induced landsliding. The tsunami backwash carried the megaflora offshore in high-density flows, remobilizing shallow-marine fauna and sediment en route. Charring of the trees at temperatures up to > 1000 °C took place in the interval between impact and arrival of the tsunami, which on the basis of seismic velocities and historic analogues amounted to only tens of minutes at most. This constrains the timing and causes of fires and the minimum distance from the impact site over which fires may be ignited.

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Log-Grounds andTeredolitesin Transgressive Deposits, Eocene Tallahatta Formation (Southern Alabama, USA)

Cited by 24 publications

References 14 publications

Osteichthyans From the Tallahatta–lisbon Formation Contact (Middle Eocene–lutetian) Pigeon Creek, Conecuh-Covington Counties, Alabama

Osteichthyans From the Tallahatta–lisbon Formation Contact (Middle Eocene–lutetian) Pigeon Creek, Conecuh-Covington Counties, Alabama

The trace fossil Diopatrichnus santamariensis nov. isp. – a shell armored tube from Pliocene sediments of Santa Maria Island, Azores (NE Atlantic Ocean)

Timing and causes of forest fire at the K–Pg boundary

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