New York City in depth. The ice sheet scraped away large amounts of regolith, leaving the bedrock that serves as the geologic foundation for much of New York City today. Later on, movement of the ice sheet contributed to the separation of what are now Long Island and Staten Island. In the precolonial era, the area of present-day New York City was inhabited by Algonquian Native Americans, including the Lenape, whose homeland, known as Lenapehoking, included Staten Island; the western portion of Long Island, including the area that would become Brooklyn and Queens; Manhattan; the Bronx; and the Lower Hudson Valley. The first
Caribbean immigration to New York City community as "Loisaida"), Spanish Harlem and Williamsburg, Brooklyn since the 1950s. There are large Puerto Rican populations throughout the 5 boroughs, with the Bronx having the largest. Currently, Bushwick and several South Bronx neighborhoods, such as Soundview, have some of the largest numbers of Puerto Ricans in the city. However, there has been an increase in Puerto Ricans in outlying areas of the city, such as the North Shore of Staten Island, and the eastern Bronx. Caribbean immigration to New York City Caribbean immigration to New York City has been prevalent since the early 1900s. This immigration wave saw large