Bellwork BOX #6 : Turn to page ES7 in the middle of your textbook ( 7 pages after page 332) 1) Using the map, tell me the name of the 3 regions in.

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Bellwork BOX #6 : Turn to page ES7 in the middle of your textbook ( 7 pages after page 332) 1) Using the map, tell me the name of the 3 regions in North Carolina Read the paragraph at the bottom of the page: 2) When did the modern Appalachian mountains form? 3) What force changed the surface of the Appalachian mountains? 4) What gave rise to our gently sloping Coastal Plain?

Geologic History Geologic history is kept in the rocks! The rocks are grouped together in units called GEOLOGIC BELTS Geologic Belts are rocks with similar characteristics and history

North Carolina's Geologic History In North Carolina, there are 11 different belts of igneous, sedimentary, and metamorphic rocks that have similar geologic history.

How do we know the geologic history?

Earth's history spans over a length of 4.5 billion years Geologists have divided that time into units based on major geologic events and life forms

Past Life Forms We discovered that some organisms only existed during certain time units, so when geologists find the remains, we know exactly which time unit a rock is from.

Fossils are the clues Fossils are the preserved remains and traces of past life forms. They are found in sedimentary rocks.

Geologic Time Scale The time scale was created to show the order of events in Earth's history

Eons Eras Divisions From smallest to largest, the units of time are: Epochs Periods Eras Eons

Each unit of time is recognized by the fossils it contains! Examples: 1. Age of Coal Swamps 2.Age of Reptiles 3.Age of Mammals 4.Age of Fishes

M.Y.A = Million Years Ago Each division is represented by millions of years ago (mya)

North Carolina's Geologic History We know that Wilmington is in the Coastal Plain Belt and some of the rocks here formed 66 million years ago! Let's find out more...... How and Why?