The Mineral Industry of New Hampshire - USGS
Know Moreborrow material for the base of land fills, ponds, and the core of dams Some New Hampshire glacial tills, rich in silt and clay, are also used for these same purpos Dimension Stone—The demand for New Hampshire’s granite for use in landscaping continued strong in 2004 Granite for curbing was down slightly from that in 2003...
Geologic units containing Pegmatite - USGS
Know MoreCommonly contains granite and pegmatite of Narragansett Pier type (and probably age) In much of area both granites occur as innumerable veins penetrating other units or as larger bodies full of inclusions of those units, which can be mapped through the bodies of granite...