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Francestown Soapstone quarry, Francestown, Hillsborough Co., New Hampshire, USA

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 42° 59' 53'' North , 71° 52' 26'' West (est.)
Margin of Error:~0km
Köppen climate type:Dfb : Warm-summer humid continental climate


Soapstone was discovered here by Daniel Fuller in 1794 while plowing his field (Jackson, 1844), and first worked in the early nineteenth century, possibly in one of these years: 1802 (Jackson, 1844); 1804 (Farmer and Moore, 1823; Carter, 1831) or 1808 (Cochrane and Wood, 1895). The deposit is in talc-phlogopite-actinolite schist and talc-phlogopite schist. The Francestown Soapstone Company was incorporated on June 22, 1865. The quarry closed in 1891.

"Dr. Charles T. Jackson, the distinguished geologist, testifying as an expert in a law case said: 'The Francestown stone, for color, beauty, and evenness, surpasses all other soapstone known.'"(Cochrane and Wood, 1895).


Mineral List


7 valid minerals.

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References

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Cleaveland, Parker (1816): An Elementary Treatise on Mineralogy and Geology, (Boston: Cummings and Hilliard), p. 352.
Farmer, John and Moore, Jacob B. (1823): A Gazetteer of the State of New-Hampshire (Concord, NH: Jacob B. Moore), p. 19.
Carter, James Gordon (1831): A Geography of New-Hampshire (Portsmouth, NH: Nathaniel March)
Jackson, Charles T. (1844): Final Report on the Geology and Mineralogy of the State of New Hampshire. p. 86.
Merrill, George P. (1889): The Collection of Building and Ornamental Stones in the U.S. National Museum, p. 563.
Cochrane, Warren and Wood, George K. (1895): History of Francstown, N.H.
Bertram, G. M. (1907): Soapstone. Mine and Quarry, vol. 2 no. 2. (August, 1907)
Greene, R. C. (1970): The Geology of the Peterborough Quadrangle New Hampshire.

 
Mineral and/or Locality  
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