brickclay

brickclay

(ˈbrɪkˌkleɪ)
n
any clay suitable for making bricks
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The Mulde Brickclay Member is developed as marls and marly lime-stones terminating in a halysitid-heliolitid biostrome.
The uppermost part of the Mulde Brickclay Member of the Halla Formation, Homerian, Wenlock, Silurian.
'From the rocks has come enormous mineral wealth, including coal, ironstone, limestone, fireclay, brickclay and roadstone...