[1]Granite is a type of igneous rock consisting of large interlocking grains of light-colored minerals. Rocks are classified as being either igneous, sedimentary, or metamorphic. Igneous rocks form by the solidification of molten material; sedimentary rocks form by the accumulation of sediments derived from older rocks; and metamorphic rocks form by the recrystallization of older rocks under conditions of high temperatures and pressures.
[2]Dip is the inclination of a surface as, for example, a joint surface described above.
[3]Schist is the name given to rocks in which the minerals have a parallel alignment due to reorganization of the rock constituents during a condition of high temperature and pressure. The platy minerals, like mica, form at right angles to the pressure so that the resulting rock may have a “bedded” appearance.
Looking northwest over Groton Pond toward Owlshead Mountain
Looking north over Groton Pond toward Little Deer Mountain
