Statistics and information on the nonfuel mineral commodities produced in Connecticut
Minerals Yearbook Vol. II - Domestic
2017-2018 data for Connecticut are summarized in the table on this web page. The 2015 chapter data tables (XLS) and 2014 chapter containing text and data tables in PDF and XLS formats are available, with other years, through the links below.
Sources of information
Connecticut produces crushed stone (mainly traprock and limestone), and construction sand and gravel. Clay is mined for brickmaking. Intermittently small dimension stone (granite and sandstone) quarries are active.