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Carbonate platform facies in volcanic arc settings; characteristics and controls on deposition and stratigraphic development

Steven L. Dorobek
Carbonate platform facies in volcanic arc settings; characteristics and controls on deposition and stratigraphic development (in Formation and applications of the sedimentary record in arc collision zones, Amy E. Draut (editor), Peter D. Clift (editor) and David W. Scholl (editor))
Special Paper - Geological Society of America (2008) 436: 55-90

Abstract

Shallow-marine carbonate facies from volcanic-arc settings provide an important, but commonly overlooked, record of relative sea-level change, differential subsidence uplift, paleoclimate trends, and other environmental changes. Carbonate strata are thin where volcanic eruptions are frequent and voluminous, unless shallow, bathymetric highs persist for long periods of time and volcaniclastic sediment and erupted materials are trapped in adjacent depocenters. Carbonate platforms and reefs can attain significant thickness, however, if subsidence continues after volcanic activity ceases or the volcanic front migrates. The areal extent of shallow-marine carbonate sedimentation is likewise affected by differential tectonic subsidence, although carbonate platforms are most laterally extensive during transgressive to highstand conditions and when are depocenters are filled with sediment. Tectonic controls on shallow-marine carbonate sedimentation in are depocenters include (1) coseismic fault displacements and associated surface deformation; (2) long-wavelength tectonic subsidence related to dynamic mantle flow, flexure, lithospheric thinning, and thermal subsidence; and (3) large-scale plate deformation related to local conditions of subduction. Depositional controls on carbonate sedimentation in are depocenter include (1) the frequency, volume, and style of volcanic eruptions; (2) accumulation rates for siliciclastic-volcaniclastic sediment; (3) the frequency, volume, and dispersal paths of erupted material; (4) (paleo)wind direction, which influences both carbonate facies development directly and indirectly by controlling the dispersal of volcanic ash and other pyroclastic sediment, which can bury carbonate-producing organisms; (5) the frequency and intensity of tsunami events; and (6) volcanically or seismically triggered mass-wasting events, which can erode or bury carbonate strata. Regarding platform morphologies in are-related settings, (1) fringing reefs or barrier reef systems with lagoons may develop around volcanic edifices throughout the long-term evolution of volcanic arcs; (2) local reefs and mounds may build on intrabasinal, fault-bounded highs within underfilled forearc, intra-arc, and back-arc basins; (3) isolated platforms with variable platform margin-to-basin transitions are common in "underfilled" and tectonically active depocenters; and (4) broad ramps and rimmed carbonate shelves are typically found in tectonically mature and sediment-filled depocenters.


ISSN: 0072-1077
EISSN: 2331-219X
Coden: GSAPAZ
Serial Title: Special Paper - Geological Society of America
Serial Volume: 436
Title: Carbonate platform facies in volcanic arc settings; characteristics and controls on deposition and stratigraphic development
Title: Formation and applications of the sedimentary record in arc collision zones
Author(s): Dorobek, Steven L.
Author(s): Draut, Amy E.editor
Author(s): Clift, Peter D.editor
Author(s): Scholl, David W.editor
Affiliation: Texas A&M University, Department of Geology & Geophysics, College Station, TX, United States
Affiliation: U. S. Geological Survey, Santa Cruz, CA, United States
Pages: 55-90
Published: 2008
Text Language: English
Publisher: Geological Society of America (GSA), Boulder, CO, United States
References: 140
Accession Number: 2008-111756
Categories: StratigraphyStructural geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, sketch maps
N00°00'00" - N08°00'00", E93°00'00" - E98°00'00"
Secondary Affiliation: University of Aberdeen, GBR, United Kingdom
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute.
Update Code: 200841
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