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Silicification of low-magnesium mollusc shells from the Upper Oligocene of Antigua, Lesser Antilles.

Strang, K.M. and Harper, D.A.T. and Donovan, S.K. and Portell, R.W. (2018) 'Silicification of low-magnesium mollusc shells from the Upper Oligocene of Antigua, Lesser Antilles.', Caribbean journal of earth sciences., 50 . pp. 37-43.

Abstract

Silicified molluscs, namely the oyster Hyotissa and the scallop Aequipecten?, are commonly preserved as silica in the carbonate successions on the island of Antigua. These fossil assemblages are located within the Antigua Formation, above and adjacent to a variety of volcanic and volcaniclastic rocks, suggesting, on geological grounds, an igneous source for the silica. Energy dispersive spectroscopy (EDS) and cathodoluminescence (CL) have been applied to characterise the silcification and its conditions of formation which may have been associated with hydrothermal activity.

Item Type:Article
Full text:Publisher-imposed embargo
(VoR) Version of Record
File format - PDF
(902Kb)
Status:Peer-reviewed
Publisher Web site:http://caribjes.com/CJESpdf/CJES50-6-Strang-Silicification.pdf
Date accepted:01 November 2017
Date deposited:16 April 2018
Date of first online publication:14 April 2018
Date first made open access:No date available

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