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No land animals were present in Florida prior to the Miocene. The largest deposits of rock phosphate in the United States are found in Florida. [1] Most of this is in Bone Valley in central and west-central Florida. [2] Extended systems of underwater caves, sinkholes and springs are found throughout the state and supply most of the water used ...
Florida's written history begins with the arrival of Europeans; the Spanish explorer Juan Ponce de León in 1513 made the first textual records. The state received its name from that conquistador , who called the peninsula La Pascua Florida in recognition of the verdant landscape and because it was the Easter season, which the Spaniards called ...
The discovery, they say, may be the most significant in a series of archaeological finds made at the mouth of the Miami River in the past 25 years that include the Miami Circle National Historic ...
Earth scientists often conduct sophisticated computer analysis or visit an interesting location to study earth phenomena (e.g. Antarctica or hot spot island chains). A foundational idea in Earth science is the notion of uniformitarianism , which states that "ancient geologic features are interpreted by understanding active processes that are ...
The internal structure of Earth are the layers of the Earth, excluding its atmosphere and hydrosphere. The structure consists of an outer silicate solid crust , a highly viscous asthenosphere , and solid mantle , a liquid outer core whose flow generates the Earth's magnetic field , and a solid inner core .
The explorer assumed the Spanish-speaker was from Hispaniola, but anthropologists have suggested that communication and trade between Calusa and native people in Cuba and the Florida Keys was common, or that Ponce de León was not the first Spaniard to make contact with the native people of Florida. [14]
Earth's crust is its thick outer shell of rock, referring to less than one percent of the planet's radius and volume. It is the top component of the lithosphere , a solidified division of Earth 's layers that includes the crust and the upper part of the mantle . [ 1 ]
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