Rubrique ‘English materials’

Heavy metals distribution in mangrove sediments along the mobile coastline of French Guiana

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Extrait: The accumulation of nine heavy metals in fine-grained sediments from the mangrove fringed coast of French Guiana is evaluated. The dynamic features of the South American tropical coastline, from the Amazon to the Orinoco Rivers, result in mangrove sediments being alternately submitted to phases of ...

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Campanian Through Eocene Magnetostratigraphy of Sites 1257-1261, ODP Leg 207, Demerara Rise (Western Equatorial Atlantic)

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Extrait: Ocean Drilling Program (ODP) Sites 1257–1261 recovered thick sections of Upper Cretaceous–Eocene oceanic sediments on Demerara Rise off the east coast of Surinam and French Guiana, South America. Paleomagnetic and rock magnetic measurements of ~800 minicores established a high-resolution comp ...

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The Guiana Current. Ocean Surface Currents

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Extrait: Links, summary text detailing velocity and hydrographic observations, and plots such as, average current speed and locations, drifting buoy positions, sea surface temperature maps, and HYCOM simulations. The Guiana Current surface water enters the Caribbean primarily between the Windward Islands ...

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Identification of birds as biological markers along a neotropical urban–rural gradient (Cayenne, French Guiana), using co-inertia analysis

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Extrait: This article examines the utility of particular bird species and guilds as bioindicators in a complex habitat mosaic, namely that of the tropical city of Cayenne (French Guyana). For this purpose, an urbanization gradient was divided up into nine classes based on 576 standard bird counts (using t ...

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An Unusual Diamond-Bearing Talc Schist from the Dachine Area of French Guiana

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Extrait: An unusual metamorphic diamond-bearing rock is part of the 2.11 Ga metavolcanics of the Lower Paramaca series in the Dachine area of the southern greenstone belt of French Guiana. A mineral assemblage corresponding to greenschist facies metamorphism makes up the bulk of the host rock. Mantle-derive ...

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