'Soft parts' diaporamas de présentation

Transverse spin physics

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718 views • 38 slides

Fossilization and Fossils

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Fossilization and Fossils

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Science Olympiad Fossils Division B 2015 2- How Fossils are Made

Science Olympiad Fossils Division B 2015 2- How Fossils are Made. What is a Fossil?. WHAT IS A FOSSIL? Fossils are the remains, or traces, of once living things which are buried in rocks of the Earth's crust.

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Science Olympiad Fossils Division B 2015 2- How Fossils are Made

Science Olympiad Fossils Division B 2015 2- How Fossils are Made. What is a Fossil?. WHAT IS A FOSSIL? Fossils are the remains, or traces, of once living things which are buried in rocks of the Earth's crust.

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Cosmic Calendar

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Rocks

Rocks . Ch-6. Law of Uniformitarianism. The processes that have occurred in the past are the same ones as are happening today Ex) the erosion rate that you see today is probably the same as what it was like in the past Landforms form most of the time over long periods of time

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Fossils Chapter 21.4

Fossils Chapter 21.4. fossil : remains or evidence of living things. (1) original remains : the actual, unchanged remains of the organism are preserved. (a) frozen in ice. (b) preserved in amber(tree sap that has hardened. (c) mummification.

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Original Preservation

Original Preservation. Natural mummification by drying. Unaltered Preservation. Amber Deposits. Unaltered Preservation. Bison and Woolly Mammoth Skin and Hair. Permineralization/Petrification. Common preservation in wood and bone Which image is the altered/permineralized bone?.

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TYPES OF CORAL REEFS

TYPES OF CORAL REEFS. Coral Atoll Fringing Reef Barrier Reef. CORAL ATOLL. Isolated ring shaped reef rising out of deep water . FRINGING REEF. A shallow water feature found close to and parallel to the shore. Buchanan (1974) maybe 0.5 to 2.5 km in width. . BARRIER REEF.

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Fossils

Fossils. How do fossils form?. http://www.youtube.com/watch?v=SEDfRy6DQns

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What can we learn from fossils?

What can we learn from fossils?. A dinosaur. Its an animal that lived on Earth millions of years ago. Dinosaurs have become extinct . . A fossil. Its what left of an animal or plant that lived long ago. A fossil can be a foot print in a rock. Or bones that have turned to rock.

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Rocks Part #2

Rocks Part #2. Sedimentary rocks. Formed by sediments being buried and compressed. Form in layers (Law of Superposition) oldest layers on the bottom, newest on top If no overturning has Occurred Sediments get sorted so most are formed by material of the same size. Clastic

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