Slide 1Fossils Slide 2 The earliest clues about life on earth are about 3.5 billion years old!!!! Slide 3 What are Fossils The remains of organisms that lived a long time…
Slide 1 Slide 2 FOSSILSFOSSILS Slide 3 In 1869, John Wesley Powell led a pioneering expedition through the Grand Canyon. Powell, who later went on to head the U.S. Geological…
Slide 1Earth Systems Chapter 12 Slide 2 1. Explain how relative dating is used in geology. 2. Explain the principle of superposition. 3. Describe how the geologic column…
Slide 1FOSSILS- Evidence from Once-living Organisms Slide 2 Fossils found in SEDIMENTARY ROCKS The lower the sediment layer is, the older the fossils of the layer will be.-…
Slide 1The Present is the Key to the Past James Hutton, 1700s Slide 2 History of Geology The concept and measurement of geologic time has changed through human history. Planet…
Slide 1814 Compare fossils found in sedimentary rock to determine their relative age. Slide 2 Compare fossils found in sedimentary rock to determine their relative age. Slide…
Slide 1Earth Science 12.1 Discovering Earths History: Geologic Time Discovering Earths History Slide 2 Studying Earths History For geologists today, one goal of geology is…
Slide 1By: Tala Al-saghir Slide 2 Zion National Park became established in the year of 1909 by President William Howard Taft, as Mukuntuweap National Park. But in the year…