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continental shelf vs. beach

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Journal Article
Published: 01 September 2024
Jour. Geol. Soc. India (2024) 100 (9): 1299–1310.
... and mineral potential studies have been conducted on beach placers ( Dhana Raju, 2021 ), similar studies have not been conducted on continental shelf placers of the SW coast, India. Consequently, the provenance of heavy minerals in continental shelf placers and their mineral potential can be reexamined...
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Journal Article
Journal: Geology
Published: 01 September 2003
Geology (2003) 31 (9): 781–784.
... of turbidity currents during these events. We suggest that much of the sediment load initially bypasses the littoral circulation cells and is directly deposited on the adjacent continental shelf, thus potentially representing a loss of immediate beach sand supply. During particularly exceptional events...
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Journal Article
Published: 10 April 2025
Journal of Sedimentary Research (2025) 95 (2): 383–404.
... seismic Line 25 and biostratigraphic data from outer continental shelf wells. These data were reprocessed in 2016 by Absolute Imaging (AI), where imaging was greatly improved by velocity modeling, data migration, and noise and spike suppression, among other modern reprocessing steps ( Fortin et al. 2017...
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Journal Article
Published: 01 September 1976
Jour. Geol. Soc. India (1976) 17 (3): 401–404.
... to a depth of 8 m, followed by a coarse sand which has a different appearance. Plots of mean diameter vs skewness and standard deviation vs median diameter are effective measures to differentiate the different environments viz. beach, dune and river sands (Moiola and Weiser, 1968). To get an idea about...
Journal Article
Published: 28 January 2025
Journal of Foraminiferal Research (2025) 55 (1): 87–94.
... Beach Beds, and macrofossils and sediments. Microfossils suggested deposition at bathyal depths (>150 m) or deeper, whereas macrofossils and sediments suggested deposition at inner shelf depths (<50 m). Although the microfossil assemblages contained abundant G. girardana planata ( G. soldanii...
FIGURES
Series: SEPM Gulf Coast Section Publications
Published: 01 December 2010
DOI: 10.5724/gcs.10.30.0572
EISBN: 978-0-9836096-0-5
... high accommodation portion of the Santos basin continental margin. Seismic geomorphic elements derived from the interpreted seismic data display beach-ridges, canyons, mass transport deposit, and submarine fans. Corresponding paleo-shorelines and shelf-edge lines are inferred, and capture the dynamic...
Journal Article
Published: 01 January 2013
Jour. Geol. Soc. India (2013) 81 (1): 129–140.
... that the breaker height must have acted as sorting agent and, hence, the finer sediments in the beach environment got accreted due to the ideal breaker heights and the longshore currents. The heavy minerals in the Chavara coast are debouched into the shelf during the southwestern monsoon by the south flowing...
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Journal Article
Published: 30 October 2018
Journal of Sedimentary Research (2018) 88 (10): 1238–1259.
... and lower-energy environments, respectively. Biogenic continental shelf and slope deposits off the Tiber River mouth show very little riverine influence. This study of the last highstand system tract in the Tiber Depositional Sequence clarifies the effects of hydraulic sorting, grain-size dependence...
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Journal Article
Journal: GSA Bulletin
Published: 18 October 2023
GSA Bulletin (2024) 136 (5-6): 2373–2388.
... transport processes, Collaroy-Narrabeen Beach, southeast Australia : Journal of Geophysical Research: Earth Surface , v. 116 , no. F4 , F04033 , https://doi.org/10.1029/2011JF001989 . Harris , P.T. , and Macmillan-Lawler , M. , 2016 , Global overview of continental shelf geomorphology...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2001
GSA Bulletin (2001) 113 (3): 291–304.
... of America Bulletin , 93 . 379 – 390 . Kafescioglu , I.A. , 1975 , A quantitative distribution of Foraminifera on the continental shelf and uppermost slope off Massachusetts : Micropaleontology , 21 . 261 – 305 . Kominz , M.A. , 1984 , Oceanic ridge volumes and sea level change...
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Journal Article
Published: 01 January 2013
Journal of Foraminiferal Research (2013) 43 (1): 14–20.
... distribution. Although this species has been observed in samples from sandy beaches, marginal lakes, and the inner shelf off the east coast of India, its micro-habitats are poorly known. This study provides important insights into the ecology of A. trispinosa as observed and recorded from the Muthupet Lagoon...
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Journal Article
Published: 17 November 2020
Journal of Sedimentary Research (2020) 90 (9): 1198–1221.
...Michael J. Steventon; Christopher A-L. Jackson; David M. Hodgson; Howard D. Johnson ABSTRACT Construction of continental margins is driven by sediment transported across the shelf to the shelf edge, where it is reworked by wave, tide, and fluvial processes in deltas and flanking clastic shorelines...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1989
AAPG Bulletin (1989) 73 (2): 155–165.
... rocks suggest that these units remained relatively isolated and unlinked, perhaps having more architectural similarity to the Basin and Range province morphology than East African expressions. Rosendahl (1988) classified continental rifts into narrow ribbon types (e.g., East Africa, Rhine graben) vs...
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Journal Article
Published: 01 July 2001
Journal of Sedimentary Research (2001) 71 (4): 608–620.
... (seaward of the developing prograding sedimentary wedge), while during late HSTs, paleodepths shoaled to as shallow as 25 ± 10 m near the clinoform rollover. This method can be applied to other continental passive margins to reconstruct the stratal geometry of and estimate water depths on the shelf...
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Journal Article
Published: 15 July 2021
Journal of Sedimentary Research (2021) 91 (7): 710–734.
... strengths of fluvial, wave, and tidal energies ( Fig. 1 C). These authors proposed two methods for quantifying and estimating basinal processes: 1) mapping of depositional elements and 2) understanding basinal characteristics (wave vs. fluvial effectiveness, coastal morphology, shelf width...
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Journal Article
Published: 13 December 2024
Journal of Sedimentary Research (2024) 94 (6): 926–936.
... coast ( Fig. 2 ). Sand in the bayhead-delta region was likely deposited during the mid- to late-Holocene ( Goman and Wells 2000 ; Malkowski et al. 2024 ). Sand in the vicinity of the Golden Gate Strait, outer coast beaches, and the inner continental shelf is a combination of relict sand deposited...
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Journal Article
Published: 23 November 2022
Journal of Sedimentary Research (2022) 92 (11): 1022–1043.
... on the Mozambique coast, and half at sea from the continental shelf to the abysses of the Indian Ocean ( Fig. 1 ). The complex drainage evolution of the Zambezi, the largest river in southern Africa (length 2575 km, basin area ∼ 1.4 million km 2 ; Moore et al. 2007 ), was controlled directly or indirectly...
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Journal Article
Published: 01 July 1998
Jour. Geol. Soc. India (1998) 52 (1): 95–102.
..., VOL.52, JULY 1998 102 P. M. MOHAN AND G. V. RAJAMANICKAM western continental shelf of India. Mathematical Geology, v.l3, pp.291-301. JORDAN, D.W. TOBIN, R.C., LuNDEGARD, P., SAMUELS, N. SCHAUF, F., ThAELER, J., VANBEUREN, V. and POTIER, P.E. (1981). Comparison of methods of size analysis for sands...
Journal Article
Published: 01 March 2010
Bulletin de la Société Géologique de France (2010) 181 (2): 183–196.
... shelf area), drill reports and analysis of a cored drill (Leucate SC1) performed in 2007 on the barrier beach in the North of Leucate lagoon. The lowermost surface (S100/S200), correlated with a pebbles level on the Leucate core SC1 (R0), erosionnally overlies pliocene deposits. It is incised...
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Journal Article
Published: 01 May 2015
Journal of Sedimentary Research (2015) 85 (5): 509–528.
... from high-energy seafloor processes in wave-dominated shelf successions (e.g., Nittrouer and Wright 1994 ). Deltaic continental margins are, during our current state of high eustatic sea level, major sites of organic-carbon remineralization and burial, despite the fact that they capture only...
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