2 resultados para Littoral Drift

em Acceda, el repositorio institucional de la Universidad de Las Palmas de Gran Canaria. España


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This work ls based on a atudy about tbe Dunes Camp of Maspalomas (fígure 1), in Gran Canaria Island (Spaln). Their sedimentary processes are detached and represented separately in order to delimit the diferent sedimentary and eolian sub-unit to get an "spectral" analysls. The developed analytic serie permit us to construct a sequence of thematic maps Later, the cartographlc puzzle is integrated, once the pbyslcal varieties of tbe sedimentary dynamycs that intervene in lbe terrltory 1s well konwn and clearly understood. Tbe cartography of integration or the general vision about the processes of both transport and sedimentary deposits contains yet enough information, inside a physical perspective ( based on the dune biotope ), to decide in relatlon to the arrangement, planning and management of the territory.

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[EN] Several islands in the Canarian archipelago show marine deposits with identical fossil faunas, which are generally assigned to different glacioeustatic marine episodes: mainly Pleistocene episodes in Lanzarote and Fuerteventura, and Mio-Pliocene ones in Gran Canaria. Three fossil species (Saccostrea chili, Nerita emiliana and Strombus coronatus) characterize all the marine deposits from southern Lanzarote, to the west and south of Fuerteventura and northeast of Gran Canaria. Three other species (Ancilla glandiformis, Rothpletzia rudista and Siderastraea miocenica) confirm the chronostratigraphic attribution of these deposits. Other more occasional fossils (as Chlamys latissima, Isognomon soldanii and Clypeaster aegyptiacus) fit an upper Miocene and lower Pliocene age.