'Geologic time' presentation slideshows

HNRS 353 Astrobiology Chapter 4 - Earth - Bennett & Shostak

HNRS 353 Astrobiology Chapter 4 - Earth - Bennett & Shostak. Lecture Notes for Chapter 4 FALL 2018 Dr. H. Geller. The Habitability of Earth. Geology and Life (4.1) Reconstructing the History of Earth and Life (4.2)

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HNRS 228 Astrobiology Chapter 4 - Earth - Bennett & Shostak

HNRS 228 Astrobiology Chapter 4 - Earth - Bennett & Shostak. Lecture Notes for Chapter 4 15 February & 17 February 2011 Dr. H. Geller. The Habitability of Earth. Geology and Life (4.1) Reconstructing the History of Earth and Life (4.2)

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Fossils & The Geologic Time Scale

Fossils & The Geologic Time Scale. Events in Your Life. Construct a timeline of the important events in your life. Be sure to include all of the events listed below and any other events you feel are important. Your timeline should be constructed TWO ways: Numerical Order (use actual dates)

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Lesson: Geologic Principles (corresponding to Chapter 2: Getting Around in Geology ) by Keith Meldahl

Lesson: Geologic Principles (corresponding to Chapter 2: Getting Around in Geology ) by Keith Meldahl.

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THE PRIMORDIAL EARTH Hadean and Archean Eons Evolution of Early Life

THE PRIMORDIAL EARTH Hadean and Archean Eons Evolution of Early Life. Most likely anaerobic bacteria Were heterotrophs consumed simple organic compounds energy produced by fermentation (CO 2 and alcohol). THE PRIMORDIAL EARTH Hadean and Archean Eons Evolution of Early Life.

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Earthquakes

Earthquakes. An earthquake is shaking or movement of the Earth. They are caused by plate tectonics. . Faults. Earthquakes occur on faults. Faults are fractures along blocks of rock Faults allow the blocks to move relative to one another . Types of Faults.

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EARTH AND SPACE SCIENCE

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Fossils

Fossils. Remains of Ancient Plants And Animals, Evidence of Life . Commonly Preserved:. Hard Parts of Organisms: Bones Shells Hard Parts of Insects Woody Material . Rarely Preserved. Soft or Easily Decayed Parts of Organisms: Internal Organs Skin Hair Feathers. Types of Fossils.

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The Fossil Record

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Union Chapel Mine

Union Chapel Mine. Evidence of Change Through Time. Evidence of Change Found at Union Chapel Mine. Cyclothem Tetrapod Trackways Invertebrate Trackways and Traces Plants (back counter) Marine Invertebrates (back counter) Insects and Arachnids (not pictured). Cyclothem. Vertebrate Trackway.

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Soils and Geologic Time

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Stratigraphy

Stratigraphy. The study of strata (layers) of rocks with an eye toward interpreting the geologic history of the region Closely tied to dating methods Uses a variety of methods - fossils, stable isotopes, paleomagnetics, sedimentary cycles - to correlate and distinguish layers

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Fossils

Fossils. Fossils are traces of organisms from the past. Index fossils can further determine the age of a fossil or the strata (layers of sedimentary rock) in which it was found.

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James Hutton 1726-1797

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Nonconformity - sedimentary rocks over crystalline (metamorphic or igneous) rocks

Nonconformity - sedimentary rocks over crystalline (metamorphic or igneous) rocks. N. Lindsley-Griffin, 1998. Nonconformity - sedimentary rocks over crystalline (metamorphic or igneous) rocks. N. Lindsley-Griffin, 1998.

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Earth in Time The Rock Record and Geologic Time

Earth in Time The Rock Record and Geologic Time. GEOLOGY TODAY Barbara W. Murck Brian J. Skinner Chapter 3. Maroon Bells, Colorado. N. Lindsley-Griffin, 1999 . Relative Age - Principles. Original horizontality: Sediments are deposited on a horizontal surface

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Time Marches On

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Earth Events

Uniformitarianism is a cornerstone of geology ... of historical geology. aid in interpreting ... How Does the Study of Historical Geology Benefit Us? ...

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