Evolution of Florida Bay from island stratigraphy

Enos, Paul; Perkins, Ronald D.

doi:10.1130/0016-7606(1979)90<59:eofbfi>2.0.co;2

Cited by 102 publications

(116 citation statements)

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“…Such examples are known from south Florida, USA (e.g. Ginsburg and Lowenstam, 1958;Enos and Perkins, 1979;Bosence, 1995;Wanless et al, 1995), Shark Bay, Australia (e.g. Davies, 1970;Read, 1974), and from many other sites (see Roberts and Macintyre, 1988).…”

Section: Genetic Modelmentioning

confidence: 99%

Construction versus accumulation in phylloid algal mounds: an example of a small constructed mound in the Pennsylvanian of Kansas, USA

Samankassou

West

2002

Palaeogeography, Palaeoclimatology, Palaeoecology

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Most phylloid algal mounds are currently interpreted as no more than accumulations of leaf-like thalli supported by mud. We report here phylloid algae from the Upper Pennsylvanian (Late Carboniferous) Frisbie Limestone Member in Kansas, USA, which built small mounds with recognizable primary topographic relief. Cup-shaped algal thalli, growing closely packed and juxtaposed near and above one another, produced a framework in the shapes of topographically conspicuous mounds from smaller, centimeter-scale to meter-scale features. Meter-scale mounds are composites of smaller, juxtaposed, centimeter-scale mounds and intramound areas contain crinoid debris, sponges, bryozoans, brachiopods, and skeletal grains. The intercup voids enclosed in the framework fabrics of individual thalli are filled with a variety of matrix and cements: (1) peloidal grains, both in clotted wackestone and grainstone; (2) early marine cement; (3) microbial encrustations, often oriented against gravity; and (4) mudstone. Bedded limestones equivalent to and overlying the mounds are bioclastic wackestone and differ fundamentally from the mound limestone in facies, biotic components, absence of both frameworks and of peloidal clotted grains. Topographic relief above the sea floor, the growth fabrics with a framework including primary intramound and intercup voids and their complex infillings, and the lithic and biotic differences between mound and off-mound intervals fulfil the stratigraphic and biological criteria characterizing reefs. The model proposed here interprets these mounds as the result of active constructional algal growth, in contrast to published hypotheses that most phylloid algal mounds were passive accumulations of algal thalli within a mud matrix and/or early diagenetic marine cements.

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Section: Genetic Modelmentioning

confidence: 99%

Construction versus accumulation in phylloid algal mounds: an example of a small constructed mound in the Pennsylvanian of Kansas, USA

Samankassou

West

2002

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…The Staraya Rechka oolites formed in protected, shallow epicratonic seas located far from the margins of the Siberian craton, in environments of negligible depositional slope. Water depth probably never exceeded a few metres, and the seascape was likely a complex mosaic of shoals and intervening broad lagoons similar to modem Florida Bay (Enos & Perkins, 1979).…”

Section: Introductionmentioning

confidence: 99%

Integrated chronostratigraphy of Proterozoic–Cambrian boundary beds in the western Anabar region, northern Siberia

et al. 1996

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-Carbonate-rich sedimentary rocks of the western Anabar region, northern Siberia, preserve an exceptional record of evolutionary and biogeochemical events near the Proterozoic/Cambrian boundary. Sedimentologically, the boundary succession can be divided into three sequences representing successive episodes of late transgressive to early highstand deposition; four parasequences are recognized in the sequence corresponding lithostratigraphically to the Manykai Formation. Small shelly fossils are abundant and include many taxa that also occur in standard sections of southeastern Siberia. Despite this coincidence of faunal elements, biostratigraphic correlations between the two regions have been controversial because numerous species that first appear at or immediately above the basal Tommotian boundary in southeastern sections have first appearances scattered through more than thirty metres of section in the western Anabar. Carbon-and Sr-isotopic data on petrographically and geochemically screened samples collected at one-to two-metre intervals in a section along the Kotuikan River, favour correlation of the Staraya Reckha Formation and most of the overlying Manykai Formation with sub-Tommotian carbonates in southeastern Siberia. In contrast, isotopic data suggest that the uppermost Manykai Formation and the basal 26 m of the unconformably overlying Medvezhya Formation may have no equivalent in the southeast; they appear to provide a sedimentary and palaeontological record of an evolutionarily significant time interval represented in southeastern Siberia only by the sub-Tommotian unconformity. Correlations with radiometrically dated horizons in the Olenek and Kharaulakh regions of northern Siberia suggest that this interval lasted approximately three to six million years, during which essentially all 'basal Tommotian' small shelly fossils evolved.

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“…The nearshore subtidal, intertidal, and supratidal shoreline zone of the deposystem was the site of deposition of carbonate sediment that is, in nearly every respect, identical with modern stromatolitic tidal-flat depositional environments. Shallowing-upward sequences were deposited by lateral shoreline progradation and coalescence of islands and mudbanks similar to those of modem Florida Bay (Enos and Perkins, 1979). Sea-level adjustments due to either tectonism or glacial-eustatic change caused relatively abrupt deepening of waters across the shelf and caused shoreline transgression.…”

mentioning

confidence: 98%

“…These are (1) the Persian Gulf (Purser and Evans, 1973); (2) Shark Bay, Australia Logan and others, 1974); (3) Andros Island in the Bahamas (Hardie, 1977); and (4) Florida Bay (Enos and Perkins, 1979). At each of these places, the upward transition from pelloidal, ooidal, or skeletal grainstone into hemispheroidal boundstone and then into planar boundstone occurs over the range from subtidal to the base of the supratidal environment.…”

Section: Interpretive Depositional Modelmentioning

confidence: 99%

“…Maximum relative sea-level stand of each cycle is recorded by lithofacies assemblage "b", which is interpreted as deposits of subtidal mudbanks and is comparable with the locally island-topped mudbanks of modem Florida Bay (Enos and ·Perkins, 1979). Like the bank lithology of modem Florida Bay, lithofacies "b" shows a maximum of burrowing.…”

Section: Interpretive Depositional Modelmentioning

confidence: 99%

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Cross sections of Lower Ordovician carbonate depositional lithofacies and Mississippi Valley-type zinc-and iron-sulfide mineralization in the Caufield district, east-central part of Harrison 1 degree by 2 degrees Quadrangle, Arkansas and Missouri

Hayes¹,

Palmer²,

Krizanich³

1992

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Evolution of Florida Bay from island stratigraphy

Cited by 102 publications

References 0 publications

Construction versus accumulation in phylloid algal mounds: an example of a small constructed mound in the Pennsylvanian of Kansas, USA

Construction versus accumulation in phylloid algal mounds: an example of a small constructed mound in the Pennsylvanian of Kansas, USA

Integrated chronostratigraphy of Proterozoic–Cambrian boundary beds in the western Anabar region, northern Siberia

Cross sections of Lower Ordovician carbonate depositional lithofacies and Mississippi Valley-type zinc-and iron-sulfide mineralization in the Caufield district, east-central part of Harrison 1 degree by 2 degrees Quadrangle, Arkansas and Missouri

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