National Minerals Information Center

The Mineral Industry of Maine

Statistics and information on the nonfuel mineral commodities produced in Maine

Minerals Yearbook Vol. II - Domestic

Minerals Yearbook Vol. II - Domestic

The 2014 Maine chapter containing text and data tables is available in PDF and XLS formats. Other years are available through the links below, and 2015-2016 data are presented in the table.

Sources of information

Maine is a major producer of peat. It produces construction sand & gravel, crushed & dimension stone, masonry & portland cement, & natural gemstones. Peat is a good plant growth medium because of its fibrous structure and water retention properties.

Statistical Summary

Aggregates Data by State, Type, and End Use

Mineral Commodity Summaries

Mineral Industry Surveys

Minerals Yearbook Volume I -- Metals and Minerals

Mineral Yearbook Volume II - Maine chapters

The following data table gives nonfuel mineral commodity production data for Maine extracted from Table 5 in the 2016 Minerals Yearbook Statistical Summary.

Nonfuel Mineral Commodity Production in Maine1,2,3
Mineral Commodity Units 2015 Quantity 2015 Value (thousands) 2016 Quantity 2016 Value (thousands)
Gemstones, naturale   NA 376 NA 378
Sand and gravel, construction thousand metric tons (1000 t) 7,810r 61,400r 9,040 74,400
Stone, crushed 1000 t 4,240r 33,200r 4,200 33,500
Stone, dimension 1000 t 3 1,840 3 1,880
Combined values of cement, clay (common), peat   XX (7) XX (7)
Total (partial)   XX 96,900r XX 110,000

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 March 2019.

2Production as measured by mine shipments, sales, or marketable production (including consumption by producers).

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

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

Minerals Yearbook Volume II Maine chapters:

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Madan M Singh

State Mineral Specialist
National Minerals Information Center
Phone: 703-648-4916

Robert M Callaghan

State Mineral Specialist
National Minerals Information Center
Phone: 703-648-7709