Publication details for Professor David HarperStrang, K.M., Harper, D.A.T., Donovan, S.K. & Portell, R.W. (2018). Silicification of low-magnesium mollusc shells from the Upper Oligocene of Antigua, Lesser Antilles. Caribbean Journal of Earth Sciences 50: 37-43.
- Publication type: Journal Article
- ISSN/ISBN: 0799-0901
- Further publication details on publisher web site
- Durham Research Online (DRO) - may include full text
Author(s) from Durham
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.