How is Rosendale cement made?

Natural cement is produced in a process that begins with the calcination of crushed dolomite in large brick kilns, fired initially by wood and then by coal transported to Rosendale by the D&H canal. The resulting clinker is ground into progressively smaller particles. The final product is a fine powder of 50 mesh size.

What did they mine in Rosendale NY?

One hundred miles north of our distillery in Brooklyn lies Rosendale – the origin of the pure limestone water used to proof all of Widow Jane’s whiskeys. Rosendale’s legendary mines include the Widow Jane Mine, now a historical site maintained by the Century House Historical Society and the inspiration for our name.

What is Portland cement made of?

Portland cement is a complex product obtained from unprocessed common natural materials: limestone and clay. Consequently, the characteristics of Portland cement clinker may vary from one cement plant to another.

When was cement first used?

Cement has been in use by humans throughout history; variations of the material were used up to 12,000 years ago, with the earliest archaeological discovery of consolidated whitewashed floor made from burned limestone and clay found in modern-day Turkey.

Why is it called Widow Jane Mine?

Here’s what we know: The name Widow Jane is a reference to Jane LeFevre Snyder who lived at the Century House and was a beloved figure in the community. Jane became a widow the age of 31 and lost all four of her male children as infants.

What did they mine in Widow Jane Mine?

Back in the day, the mining was for natural cement—eponymously known as Rosendale cement—part of the 145-year history of cement manufacturing in New York’s Ulster County.

Who owns portland cement?

Lehigh Portland Cement Company produces cements, concrete and concrete products, lightweight aggregates, and related construction materials and services. After 80 years of independent operation it was purchased by a German company, Heidelberger Zement A.G., in 1977.

Which country invented cement?

British
Cement as we know it was first developed by Joseph Aspdin, an enterprising 19th-century British stonemason, who heated a mix of ground limestone and clay in his kitchen stove, then pulverized the concoction into a fine powder. The result was the world’s first hydraulic cement: one that hardens when water is added.