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Pfizer Company Marble Quarry (New England Lime Co. quarry; NELCO quarry; Specialty Minerals Inc.; Minerals Technologies Inc.; Canaan Limestone Quarry; Connecticut Lime Company; Canaan Lime Company; Lewis Quarry), Canaan, North Canaan, Litchfield Co., Connecticut, USA

Latitude: 42°0'49"N
Longitude: 73°18'57"W
A large, long-lived and as of 2012 still active quarry in the Cambrian Stockbridge Marble located on Lower Road up against the north side of Canaan Mountain. Due to its size and longevity, this is most likely the quarry that produced most specimens labeled simply as "Canaan, Connecticut". It is situated near the village of Canaan (aka "Canaan Village", the largest population center in the area) in the Town of North Canaan (not to be confused with the Town of Canaan just to the south, which has a few smaller marble quarries). Schooner (1961) incorrectly refers to it being in East Canaan village.

According to Force (2008) this quarry began as the Lewis Quarry and was taken over by the newly formed Canaan Lime Company in 1888, which merged with other companies in 1902 to form the New England Lime Company, which had other quarries in the area and apparently eventually obtained this one also. Dale (1923), notes that an active quarry of "the Connecticut Lime Co. is a mile southeast of Canaan village", the correct place for this quarry. Moore (1935) also uses this name for the abandoned quarry on the northern slope of Canaan Mountain. Moore (2009) states that the U. S. government bought New England Lime Company in 1942, and a plant was built in the Daisy Hill area of Canaan Village to extract magnesium from dolomite for aircraft parts and incendiary material and, secretly, for the Manhattan Project during WWII. New England Lime Company (NELCO) sold it to Pfizer in 1964, and Pfizer turned the quarry over to a group of their employees, called Specialty Minerals, a subsidiary of Minerals Technologies, Inc., in 1992. As of 2012, it is still used for aggregate and ground products.

Note that New England Lime Co. had other quarries in North Canaan north of U.S. Route 44, one of which could be depicted in the postcard locality photograph rather than the quarry on Lower Road, which is south of U. S. Route 44.

Many old references note the abundance of tremolite and dolomite there, but Januzzi (1976) gives the best descriptions of minerals, from information provided by Jason G. Clark of West Cornwall. Repeated in Januzzi (1994) with a few photographs.

Mineral List

Actinolite
'Apatite'
Baryte
Bornite
Calcite
Chalcopyrite
'Chlorite Group'
Clinochlore
Dolomite
Fluorapatite
var: Mn-bearing Fluorapatite

Limonite
Malachite
Melanterite
'Mountain Leather'
Phlogopite
Pyrite
Pyrolusite
Pyrrhotite
Quartz
Rutile
'Serpentine Group'
Sphalerite
Talc
Tremolite


24 entries listed. 17 valid minerals. 1 erroneous literature entry.

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References

Schrader, Frank C., Stone, Ralph W., and Sanford, Samuel. (1917), Useful Minerals of the United States. U. S. Geological Survey Bulletin 624: 97-101.

Schairer, J. F. (1931), The Minerals of Connecticut. State Geological and Natural History Survey, Hartford Connecticut Bulletin 51.

Dale, T. Nelson. (1923): The Lime Belt of Massachusetts and Parts of Eastern New York and Western Connecticut. U. S. Geological Survey Bulletin 744, Washington, D. C.: 18.

Moore, Fred H. (1935): Marbles and Limestones of Connecticut. State Geological and Natural History Survey Bulletin 56, Hartford: 24.

Januzzi, Ronald E. (1959), The Minerals of Western Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut.

Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.

Ryerson, Kathleen. (1972), Rock Hound's Guide to Connecticut. Pequot Press.

Januzzi, Ronald E. (1976), Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut.

Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.

Weber, Marcelle H. and Earle C. Sullivan. (1995): Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70 (6): 399.

Force, Ed. (2008): Little Iron and Much Flux. Privately published.

Moore, Jim. (2009): Where the End Began. Republican-American, August 7, 2009.

Anonymous. (2012): "2012 USGS Aggregates Industry Atlas" in Aggregates Manager: 17(6): 72, 129.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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