GeoWorld

Prehistoric Connecticut

Prehistory

Geology & Fossils

Connecticut is largely a region of barren rock and thin soil. Many rocks are extremely old, and might be imagined to contain trilobites. But the rocks are mostly metamorphic or igneous, which seldom harbor fossils. During the Ice Age, or Pleistocene, great glaciers scoured the land, destroying many fossils and burying others under glacial rubble.

Connecticut’s fossil heritage would be very poor if it weren’t for the Connecticut Valley. Here are found sedimentary rocks from the Jurassic and Triassic periods that are famous for their fossil dinosaur tracks.

Few dinosaurs approached the sperm whale in size. However, the ghosts of ancient giants that roamed the land can be imagined to haunt the Connecticut Valley.

In summary, the Connecticut Valley can be thought of as a dinosaur oasis in an Ice Age state.



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