!!!Mergel Marl, important raw material in the manufacture of concrete. In 1993 8 marlpits were under Mines Inspectorate supervision in Austria; they yielded a total tonnage of 2,838,911 t. %%language [Back to the Austrian Version|AEIOU/Mergel|class='wikipage austrian'] %% [{FreezeArticle author='AEIOU' template='Lexikon_1995_englisch'}] [{ALLOW view All}][{ALLOW comment All}][{ALLOW edit FreezeAdmin}]