1 event found.
Events for September 17, 2026
Etruria Marl: what it is; how it formed; why it’s special – Dr Bernard Besley
In the English Midlands the term ‘Marl’ has meant, from time immemorial, any clay from which bricks can be made. The Etruria Marl is thus not a marl in the geological sense of the word, but a raw material formed by the red mudrocks of the Westphalian Etruria Formation, a marginal alluvial red-bed facies of ...