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Geologic Time and Earth History The Geologic Time Scale Some Geologic Rates Cutting of Grand Canyon 2 km/3 m.y. = 1 cm/15 yr Uplift of Alps 5 km/10 m.y. = 1 cm/20 yr ...
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Earth's History in Geologic Time. By Dan Cyre, Robert Daub, and Beth Lang ... ask students to give examples of relative and absolute age; know term half-life ...
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Scientific Theory of sequential order of events in earth's history ... Comparative Morphology homologous structures. Biochemistry DNA/RNA; amino acids ...
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Index fossils are another tool to determine the age of rock layers. ... PRECAMBRIAN TIME. Cyanobacteria. This time span makes up the vast majority of Earth's history. ...
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GEOLOGIC TIME - Earth is 4.65 Ga old A diagrammatic representation of the last 3.8 billion years of the geological time scale of the Earth showing the different ...
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The Geologic Time Scale and Early Earth Section Review What is the geologic time scale? A record of the life forms and geological events in Earth s history.
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The Oldest Rocks on Earth and Calibrating the Geologic Time Scale ' ... Since rate is constant, we can know 'how long the clock has been ticking. ...
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Argon-40, produced by decay of potassium-40 accumulates in mineral crystals ... The geologic time scale is a 'calendar' of Earth's 4.5 billion year history ...
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Title: History and Biogeography Self-replicating molecular assemblages Geological Past Shrinking, buckling Earth, Polarity Reversals Paleoclimatology: Milankovitch ...
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Geologic Time Deciphering Earth History and Creating a Time Scale * * * * * * * * * * * * * I this geology class. I will get an A on my exams and quizzes.
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Background: Geology Geology - The scientific study of the origin, history, and structure of the earth - The Science of the Earth - Different disiciplines of Geology
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Geologic Time How is Earth s geologic history classified? We find no vestige of a beginning, no prospect of an end. - James Hutton Geologic Time Scale Record of ...
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Geologic Time & Evolution Objectives: The student understands 1) Geological time is used to understand the Earth s past. 2) Biological Evolution explains the ...
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Geologic Time What is Geologic Time? Geologic time is the history of the Earth from its formation to the present It is broken up into 4 different ERA s: Precambrian ...
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Geologic Time Relative vs. Absolute Time Stratigraphy and Relative Time Relationships Unconformities and Gaps in Stratigraphic Record Stratigraphic Correlation
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Earth s History _____ Geologic Time
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Slide 1 ... Geologic Time
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Earth History The Earth is 4.6 billion years old and its geology has changed greatly with time. Many of the changes in the past can be observed in the rock record.
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Geologic Time ... Geologic Time
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Earth History c. Fossils are almost never found in rocks because magma is found deep within the earth where no living things exist, and lava at the surface of the ...
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Geologic History Created By: Mr. Kreeger
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Geologic Time Scale a timeline of Earth s History divided into periods of time by major events or changes on Earth What do we call these major events or changes?
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Chapter 6 review 1. UNIFORMITARIANISM: -The processes that shape the Earth today are the same processes that occurred in the geologic past The present is the key ...
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... Paleozoic, Mesozoic and Cenozoic Period ... major subdivisions of animal history Sometimes called the Age of Mammals Tertiary Period Quaternary Period ...
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The Geologic Time Scale The Geologic Time Scale Based on their interpretations of the rock record, geologists have divided Earth s 4.56 billion-year history into ...
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76 sheets from today First life forms (prokaryotes) 3,600,000,000 years ago 138 sheets from today Oldest rocks on Earth 4,000,000,000 years ago.
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The Geological Time Scale 8-2.4 Recognize the relationship among the units era, epoch, and period into which the geologic time scale is divided.
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Chapter 2, Section 3 Unit A Science 8 Messana What did you decide was more useful tree rings or ice cores? Why? Geologic Time Scale a timeline of Earth s ...
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Geologic Time * * * * * * * * * * * * * * * * Fossils evidence of past life or time pieces, the remains or traces of prehistoric life Paleontology ...
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California Geologic History Part I: Pre-San Andreas Fault System Acknowledgement Slightly modified from a presentation by Mark W. University of Colorado at Boulder ...
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History of the Earth A matter-of-time scale If the age of the Earth (4.6 billion years) were condensed into one year ... Jan. 1 Earth was born
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Geologic Time Scale How s it divided? Instead of being divided into months or years, the geologic time scale is divided into eras. Eras are divided into periods. 4 ...
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4) Volcanic Time Markers. volcanic ash. small pieces of igneous rock that are shot into the air during eruptions. volcanic ash is deposited rapidly over a large area. ...
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Chapter 5: Fossils and Geologic Time Topic 4: The Geologic Time Scale Geologic Time videos animated song Mr.Parr song Mr.Parr music video Earth history in a year's ...
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Earth's history on the geologic time ... Eryops is much larger than the frogs and toads of the 20th century. ... Volcanoes are active in the American West. ...
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Life and Geologic Time
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Lecture 2 Introduction to Earth History
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Geologic Time 1 * * Paleozoic Era known as ancient life life progressed from marine invertebrates to fish, amphibians, and reptiles Mesozoic Era marks the rise in ...
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History of Life on Earth ... Ice ages Geological Time Scale Began 4.6 billion years ago ... 50 % of marine species and many plants and animals disappear ...
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The Geological Time Scale 8-2.4 Recognize the relationship among the units era, epoch, and period into which the geologic time scale is divided.
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The Geological Time Scale NC Essential Standard that the geologic time scale is a record of the major events and diversity of life forms present in Earth s history.
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Chapter 9 Geologic Time
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Rocks record geological events and changing life forms of the past. However, erosion has removed a lot of Earth's history. ... archaeopteryx ...
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Interpreting Geologic History Unit 13
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Chapter 14 Mesozoic Earth History ...
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HISTORY OF LIFE ON EARTH Physical conditions - last 4 billion years major changes: oxygen in atmosphere climate change ocean currents sea level changes
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Geologic Time Scale Testing Your Prior Knowledge See what you know ALREADY!! 1. How old are you? 2. How old is the Earth? 3. When did the dinosaurs become extinct?
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Chapter 8 Precambrian Earth and Life History The Hadean and Archean
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Title: Geologic Time p. 199-209 Author: Dept. of Geology and Geophysics Last modified by: saar Created Date: 2/18/2004 7:51:15 PM Document presentation format
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End of Snowball Earth. Warmer in Cambrian and Ordovician ... Historical geology provides past geologic and paleogeographic reconstruction of the world ...
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... ball of rock ... Rats from rocks. Special creation A supreme being created earth ... Fossils found in sedimentary rock. Homologous parts similar in ...
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Lecture 10 Stratigraphy and Geologic Time Stratigraphy Basic principles of relative age dating Unconformities: Markers of missing time Correlation of rock units ...
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Life and Geologic Time * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Jurassic Period 180 to 135 million years ago.
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... Life develops into more complex forms through gradual evolution Early organisms had no hard parts to leave fossil Geological Time Scale Catastrophes?
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Relative dating involves sequencing of geologic events ... carbon-14 dating (useful for up to only 70,000 yrs), and dendrochronology ...
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