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The Mineral Industry of Delaware

By National Minerals Information Center

Statistics and information on the nonfuel mineral commodities produced in Delaware

Minerals Yearbook Vol. II - Domestic

Delaware mineral commodity producing areas map from 2014 Minerals Yearbook

2018-2019 data for Delaware 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

Delaware is a major producer of magnesium compounds and produced construction sand and gravel. Crushed stone was not quarried but was sold at sales yards in the State.

The following data table gives nonfuel mineral commodity production data for Delaware extracted from Table 5 in the 2019 Minerals Yearbook Statistical Summary.

Nonfuel Mineral Commodity Production in Delaware1,2,3
Mineral Commodity Units 2018 Qty 2018 Value
(1000 $)		 2019 Qty 2019 Value
(1000 $)
Gemstones, naturale   NA 2 NA 2
Magnesium compounds   (6) (7) (6) (7)
Sand and gravel, construction 1000
metric tons		 2,680 21,000 2,650 23,500
Stone, crushed   (6) (7) (6) (7)
Total (partial)   XX 21,000 XX 23,500

eEstimated. rRevised. NA Not available. XX Not applicable.

1Includes data from the commodity chapters published in the Minerals Yearbook as they were completed and released through January 2023.

2Production as measured by mine shipments, sales, or marketable production (including consumption by producers).  Mine output measured as sold or used by producers is primarily shown in the tables, because values can be assigned. Where sold or used data are not available, actual mine output is used as the production measurement and value is estimated average price of the mineral commodity for that year. Data are reported in gross weight unless otherwise specified.

3Data are rounded to no more than three significant digits; may not add to totals shown.

6Withheld to avoid disclosing company proprietary data.

7Withheld to avoid disclosing company proprietary data; value included in "Undistributed" in the U.S. total value.

Minerals Yearbook Volume II Delaware chapters:

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Current edition: 

| 2014 PDF format | 2014 XLS format | 2015 tables-only release | 

Recent years:

  • PDF Format:

| 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010-2011 | 2012-2013 | 2014 |

  • XLS Format:

| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010-2011 | 2012-2013 | 2014 | 2015 tables-only release | 

Archive:
| 1932-1993 |

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