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Modern and ancient sedimentary basins: Comparative accumulation rates

1976; Geological Society of America; Volume: 4; Issue: 12 Linguagem: Inglês

10.1130/0091-7613(1976)4 2.0.co;2

1943-2682

Frederic L. Schwab,

Paleontology and Stratigraphy of Fossils

Research Article| December 01, 1976 Modern and ancient sedimentary basins: Comparative accumulation rates Frederic L. Schwab Frederic L. Schwab 1Department of Geology, Washington and Lee University, Lexington, Virginia 24450 Search for other works by this author on: GSW Google Scholar Author and Article Information Frederic L. Schwab 1Department of Geology, Washington and Lee University, Lexington, Virginia 24450 Publisher: Geological Society of America First Online: 02 Jun 2017 Online ISSN: 1943-2682 Print ISSN: 0091-7613 Geological Society of America Geology (1976) 4 (12): 723–727. https://doi.org/10.1130/0091-7613(1976)4 2.0.CO;2 Article history First Online: 02 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Frederic L. Schwab; Modern and ancient sedimentary basins: Comparative accumulation rates. Geology 1976;; 4 (12): 723–727. doi: https://doi.org/10.1130/0091-7613(1976)4 2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGeology Search Advanced Search Abstract The rate at which sedimentary fill accumulates in both modern and ancient depositional basins is related to plate tectonic setting, among other factors. The tectonic setting of any basin can be specified in terms of type of substratum (oceanic, continental, or transitional), proximity to plate margins (mid-plate versus interplate), and the nature of the nearby plate margins (constructive, destructive, and conservative).Midplate basins generally accumulate sedimentary fill at much slower rates than basins located along or proximal to plate margins. Midplate basins situated entirely above a single substratum type (that is, cratonic basins) ordinarily accumulate sediment cover very slowly (usually less than 0.006 m/1,000 yr), although more rapidly subsiding negative areas within continental blocks and near their margins adjacent to orogenic areas exhibit higher rates. Midplate basins that straddle both continental and oceanic crust (modern continental terraces and rises, ancient miogeoclines and the nonorogenic portion of ancient eugeosynclines) accumulate sediment several times as rapidly as cratonic basins (generally 0.01 to 0.04 m/1,000 yr).Accumulation rates for sediment deposited in basins along or adjacent to plate margins almost invariably exceed 0.04 m/1,000 yr and are commonly much higher than the accumulation rates for midplate basins. However, the accumulation rates for basins along convergent, divergent, and conservative plate margins are not sufficiently different from one another to be distinctive. Sediment filling the successor basins that commonly develop over the site of sutured plate margins has accumulation rates comparable to those of interplate basins. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.