What is the geology of Long Island?

Long Island has been formed by a long progress of glaciers and coastal erosion. Long Island has no mountains or high, steep hills. The south shore is mostly flat and sandy, while the north shore is hilly and rocky. There are many other features, and they all have a story.

What was the major geological event that helped shape Long Island?

continental glacier
The geologic event that most greatly affected the land surface of Long Island was the advance of a massive continental glacier into this region during the Wisconsin stage of the Pleistocene Epoch.

How did the rock deposits get to Long Island?

Introduction. Ages ago, what is now New England and New York State was covered by the great Wisconsin glacier. Then, about ten thousand years ago, the glacier receded, leaving behind deposits of sand, rock, and soil that gradually formed Long Island.

What rock type makes up the geology of Long Island?

metamorphic rock
Long Island’s “basement” bedrock is 230 to 350 million years old and is made of metamorphic rock (Merguerian and Sanders 4). The upper portion of Long Island’s geological layers were formed between the Upper Cretaceous Period (72 to 100 million years ago) and Pleistocene Epoch (.

How was the Long Island Sound formed?

Long Island Sound (LIS), an urban estuary on the east coast of the USA, formed when terminal moraines created Long Island (NY) during the last glaciation. During early deglaciation, a periglacial lake developed behind this moraine (Glacial Lake Connecticut), which was rapidly filled with red, varved lake clays.

How did the Long Island Sound form?

The ice tore a deep gouge in the land and formed Lake Connecticut. Then, as sea levels and sediments rose and shifted, the lake receded while rivers and ocean waters took its place and so was born the Long Island Sound.

What landform is Long Island?

The most prominent landforms of Long Island are (a) the two lines of hills that form the “backbone” and the “forks” of the island, (b) the gently sloping plain that extends southward from the hills, (c) the deeply eroded headlands along the north shore, and (d) the barrier beaches along the south shore.

How was Long Island Sound formed?

Is Long Island a Kame?

In United States v. Maine (1985), the U.S. Supreme Court treated the island as a peninsula for the purposes of a boundary decision. Despite the legal decision, the United States Board on Geographic Names considers Long Island an island, because it is surrounded by water.

What type of landscape is Long Island?

Long Island, as part of the Outer Lands region, is formed largely of four spines of glacial moraine, with a large, sandy outwash plain towards its barrier islands and the Atlantic Ocean.

Why is it called the Long Island Sound?

What is the population of Miller place on Long Island?

The area is hilly in some areas but is level in most places. Much of Miller Place was farm land before the population of Long Island grew. As of the 2010 census, there are 12,339 people (10,580 in 2000), 3,969 households and 3,232 families residing in the CDP.

Where is Miller place on a map?

/  40.94667°N 72.99306°W  / 40.94667; -72.99306 Miller Place is a hamlet and census-designated place (CDP) in Suffolk County, New York, United States, on the North Shore of Long Island. Miller Place has been inhabited since the 17th century and is named for the Miller family that included many of its initial settlers.

What is the geologic history of Long Island?

The prairies were a result of the outwash plains left by the glacier. Long Island certainly has an interesting geological history as a result of glacial movement, which makes it relatively younger than Upstate New York, which experienced varying degrees of mountain building.

Who were the first residents of Miller Place?

The settlement of Miller Place began in 1671 by Andrew Miller, son of John Miller, one of the first East Hampton settlers. The Millers were in time joined by members of such families as the Helmes, Robinsons, Burnetts, Hawkins, and Woodhulls.