This specimen is available for sponsorship. Become a part of MMGM's foundation.Sponsor
Slate is a fine-grained, foliated (layered) metamorphic rock that has a variety of commercial applications including blackboards, pool tables, roofing tile, and switchboards. Slate quarrying of the Carrabassett Formation in central Maine was well established by the 1880s.
Become a part of MMGM's foundation!
Contact Barbra Barrett, Executive Director at 207.824.3036 or firstname.lastname@example.org