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\u201cAggregates\u201d is the term geologists use to describe rocks used for building and construction purposes. Aggregate Potential Mapping aims to identify areas where aggregate is most likely to be found. <\/SPAN><\/SPAN><\/P>

Overburden is the thickness of soft sediment above a bedrock source of crushed rock aggregate. It is of vital importance to the viability of an extractive operation at that location. <\/SPAN><\/SPAN><\/P>

The county depth to bedrock (DTB) maps compiled by GSI using borehole and outcrop data was used to estimate overburden thickness.<\/SPAN><\/SPAN><\/P>

This map shows the overburden scores used to create the crushed rock aggregate potential across Ireland.<\/SPAN><\/SPAN><\/P>

High scores indicate minimal or no overburden. Low scores indicate thick overburden.<\/SPAN><\/P>

It is a vector dataset. Vector data portray the world using points, lines, and polygons (areas). The data is shown as polygons. Each polygon holds information on the county it is located,<\/SPAN><\/SPAN> <\/SPAN><\/SPAN>Depth to Bedrock (m), Overburden Type and score.<\/SPAN><\/SPAN><\/P>

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