Complex sentence: Inwood marble is a type of marble named after the neighborhood of Inwood in Manhattan, New York City, and extending northward to Marble Hill; parts of the Bronx, such as Kingsbridge, Mott Haven, Melrose and Tremont; and significantly into Westchester County.
Split into simpler sentences: Inwood marble is a type of marble named after the neighborhood of Inwood in Manhattan, New York City. It is found there and extending northward to Marble Hill; parts of the Bronx, such as Kingsbridge, Mott Haven, Melrose and Tremont; and significantly into Westchester County.