Modern beachrock formation in Durban, KwaZulu-Nata

South African Journal of Science

Volumn 108, Issue 7-8, 2012, Pages

  Cawthra, Hayley ^a   Uken, Ron ^b  

^a Western Cape Regional Office   (South Africa)

^b UNIVERSITY OF KWAZULU NATAL   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

ARTIFACT; BEACHROCK; BEDROCK; CARBONATE ROCK; CEMENTATION; DEPOSITION; DIAGENESIS; HOLOCENE; LATITUDE; MAPPING METHOD; PLEISTOCENE; SEA LEVEL CHANGE; SUBTROPICAL REGION;

DURBAN; KWAZULU-NATAL; SOUTH AFRICA;

EID: 84864658157     PISSN: 00382353     EISSN: 19967489     Source Type: Journal    
DOI: 10.4102/sajs.v108i7/8.935     Document Type: Article

References (29)

1. Bathurst RGC. Carbonate sediments and their diagenesis: Developments in sedimentology. 2nd ed. New York: Elsevier; 1975.
2. Vousdoukas MI, Velegrakis AF, Plomaritis TA. Beachrock occurrence, characteristics, formation mechanisms and impacts. Earth Sci Rev. 2007;85:23-46. http://dx.doi.org/10.1016/j.earscirev.2007.07.002 (Pubitemid 47570716)
3. Milliman JD. Marine carbonates: Recent sedimentary carbonates Part 1. New York: Springer-Verlag; 1974. http://dx.doi.org/10.1007/978-3-642- 65528-9
4. Meyers JH. Marine vadose beachrock cementation by cryptocrystalline magnesian calcite - Maui, Hawaii. J Sediment Petrol. 1987;57:558-570. http://dx.doi.org/10.1306/212F8B93-2B24-11D7-8648000102C1865D
5. Webb GE, Jell JC, Baker JC. Cryptic intertidal microbialites in beachrock, Heron Island, Great Barrier Reef: Implications for the origin of microcrystalline beachrock cement. Sed Geol. 1999;126:317-334. http://dx.doi.org/10.1016/S0037-0738(99)00047-0
6. Vieira MM, De Ros LF. Cementation patterns and genetic implications of Holocene beachrocks from northeastern Brazil. Sed Geol. 2006;192:207-230. http://dx.doi.org/10.1016/j.sedgeo.2006.04.011 (Pubitemid 44734398)
7. Arrieta N, Goienaga N, Martinez-Arkarazo I, et al. Beachrock formation in temperate coastlines: Examples in sand-gravel beaches adjacent to the Nerbioi-Ibaizabal Estuary (Bilbao, Bay of Biscay, North of Spain). Spectrochim Acta A. 2011;80(1):55-65. http://dx.doi.org/10.1016/j.saa. 2011.01.031
8. Neumeier U. Experimental modelling of beachrock cementation under microbial influence. Sed Geol. 1999;126(1-4):35-46. http://dx.doi.org/10. 1016/S0037-0738(99)00030-5
9. Kelletat D. Beachrock as sea-level indicator? Remarks from a geomorphological point of view. J Coastal Res. 2006;22(6):1558-1564. http://dx.doi.org/10.2112/04-0328.1 (Pubitemid 44968552)
10. Cooper JAG. Shoreline changes on the Natal coast: Mkomazi River mouth to Tugela River mouth. Natal Town and Regional Planning Commission Report 77. Pietermaritzburg: Natal Town and Regional Planning Commission; 1991.
11. Rey D, Dubio B, Bernabeu AM, Vilas F. Formation, exposure and evolution of a high-latitude beachrock in the intertidal zone of the Corrubedo complex (Ria de Arousa, Galicia, NW Spain). Sed Geol. 2004;169(1-2):93-105. http://dx.doi.org/10.1016/j.sedgeo.2004.05.001 (Pubitemid 38921158)
12. McCarthy MJ. Stratigraphical and sedimentological evidence from the Durban region of major sea-level movements since the late Tertiary. Trans Geol Soc S Afr. 1967;70:135-165.
13. Siesser WG. Relict and recent beachrock from southern Africa. Geol Soc Am Bull. 1974;85:1849-1854. http://dx.doi.org/10.1130/0016- 7606(1974) 85〈1849:RARBFS〉2.0.CO;2
14. Barwis JH, Tankard AJ. Pleistocene shoreline deposition and sea-level history at Swartklip, South Africa. J Sediment Petrol. 1983;53:1281-1294.
15. Cooper JAG, Flores RM. Shoreline deposits and diagenesis resulting from two Late Pleistocene highstands near +5 and +6 metres, Durban, South Africa. Mar Geol. 1991;97:325-343. http://dx.doi.org/10.1016/0025- 3227(91)90124-M
16. Roberts DL, Botha GA, Maud RR, Pether J. Coastal Cenozoic deposits. In: Johnson MR, Annhauser CR, Thomas RJ, editors. The geology of South Africa. Johannesburg/Pretoria: Geological Society of South Africa/ Council for Geoscience, 2006; p. 605-628.
17. Shinn EA. The mystique of beachrock. Spec Publ Int Assoc Sedimentol. 2009;41:19-28.
18. South African Weather Service [homepage on the Internet]. No date [cited 2008 June 18]. Available from: http://www.weathersa.co.za/Climat/ Climstats/DurbanStats.jsp
19. Miller WR, Mason TR. Erosional features of coastal beachrock and aeolianite outcrops in Natal and Zululand, South Africa. J Coastal Res. 1994;10(2):374-394.
20. Pearson T. African keyport - The story of the Port of Durban. Durban: Accucut Books; 1995.
21. Flügel E. Microfacies of carbonate rocks: Analysis, interpretation and application. Berlin: Springer-Verlag; 2004.
22. Alexandersson T. Intergranular growth of marine aragonite and Mg-calcite: Evidence of precipitation from supersaturated seawater. J Sediment Petrol. 1972;42(2):441-460.
23. Ginsburg RN. Beachrock in South Florida. J Sediment Petrol. 1953;32:89-92.
24. Cawthra HC. The Cretaceous to Cenozoic evolution of the Durban Bluff and adjacent continental shelf. MSc thesis, Durban, University of KwaZulu-Natal, 2010.
25. Greensmith JT. Petrology of sedimentary rocks. London: Allen and Unwin; 1979.
26. Vött A, Bareth G, Brückner H, et al. Beachrock-type calcarenitic tsunamites along the shores of the eastern Ionian Sea (western Greece) - Case studies from Akarnania, the Ionian Islands and the western Peloponnese. Z Geomorphol. 2010;54(3):1-50. http://dx.doi.org/10.1127/0372- 8854/2010/0054S3-0018
27. Ramsay PJ. 9000 Years of sea-level change along the southern African coastline. Quatern Int. 1995;31:71-75. http://dx.doi.org/10.1016/1040- 6182(95)00040-P
28. Vousdoukas MI, Velegrakis AF, Karambas TV. Morphology and sedimentology of a microtidal beach with beachrocks: Vatera, Lesbos, NE Mediterranean. Cont Shelf Res. 2009;29:1937-1947. http://dx.doi.org/10.1016/j.csr.2009.04.003
29. Mather AA, Garland GG, Stretch DD. Southern African sea levels: Corrections, influence and trends. Afr J Mar Sci. 2009;31(2):145-156. http://dx.doi.org/10.2989/AJMS.2009.31.2.3.875