The Barre Granite is a Devonian

Devonian

The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...

 granite

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 pluton

Pluton

A pluton in geology is a body of intrusive igneous rock that crystallized from magma slowly cooling below the surface of the Earth. Plutons include batholiths, dikes, sills, laccoliths, lopoliths, and other igneous bodies...

 in Washington County

Washington County, Vermont

Washington County is a county located in the U.S. state of Vermont. As of 2010, the population was 59,534; Vermont's third-most populous county after Chittenden County and Rutland County. Its shire town is Montpelier, the state capital. The center of population of Vermont is located in Washington...

, Vermont. It intrudes into the Waits River Formation

The granite is mined at the E. L. Smith Quarry

Quarry

A quarry is a type of open-pit mine from which rock or minerals are extracted. Quarries are generally used for extracting building materials, such as dimension stone, construction aggregate, riprap, sand, and gravel. They are often collocated with concrete and asphalt plants due to the requirement...

, owned by the Rock of Ages Corporation

Rock of Ages Corporation

Rock of Ages Corporation is a granite quarrying and finishing company located in Graniteville, Vermont. It was founded in 1885. The company was one of the cemetery-related businesses profiled in the 2005 PBS documentary A Cemetery Special....

. "Barre Gray" granite is sought after worldwide for its fine grain, even texture, and superior weather resistance. Many sculpture artists prefer it for outdoor sculpture.