Hunting the Dutch beach of Hoek van Holland for fossils

Bram Langeveld (The Netherlands) Holland is a small country that lies for the most part below sea level, which can be quite problematical. However, if you are a fossil collector hunting for the fossils of animals from the Weichselian (Last Ice Age) and early Holocene, it is not such a bad thing. That is because the Dutch government regularly has sand deposited on Dutch beaches, which is dredged up from the bottom of the North Sea to fight erosion of the beaches by the sea. Taking this one step further, Holland also has large scale land reclamation projects, where whole new parts of Holland are made by spraying sand from the bottom of the North Sea onto a location close to shore until it rises above sea level. Fig. 1. Map of The Netherlands showing Hoek van Holland. Much of this sand is dredged up by big, specially equipped vessels, called trailing suction hopper dredgers, from a location known as ‘Eurogeul’, which is the route for big vessels to reach the port of Rotterdam. Here, the sea is approximately 13m deep, but is deepened to 30m, by removing sand from the bottom. Much of this sand is used to reinforce beaches and for land reclamation projects. However, it is not just sand that is dredged up … Fig. 2. Simple timescale of the late Pleistocene and Holocene.The North Sea Plain If we could travel back in time – approximately 30,000 to 100,000 years ago – we would find ourselves in … Read More

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