'Geologic record' presentation slideshows

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Free Book!. Paleocurrents : A Window into Geologic History What can we learn about the past history of the earth from studying the sediments?.

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The Rock & Fossil Record

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Michigan Glacial History

Michigan Glacial History. Extent of ice during Pleistocene glaciations. How thick was the ice that covered Michigan ?. Nobody can say for sure how thick the ice was that covered Michigan during the last glaciation. One could easily assume there was 2 kilometers (~1.25 miles).

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Semester 1 Review Jeopardy

Semester 1 Review Jeopardy. Which law tells us that a fault or igneous intrusion is always younger than the rock layers it cuts through?. Answer. The Law of Crosscutting Relationships. Home. Evidence that an animal was once in a place like footprints or burrows?. Answer. Trace Fossils.

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Impact of eruptions

V. o. s. l. c. e. a. o. n. Part II. Prediction. Impact of eruptions. Supervolcanoes. Prediction of Volcanic Eruptions. Long Term Prediction. Identify volcanoes and the frequency and style of their eruptions (a geological problem).

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Take Notes

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Take Notes

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Finding the Relative Age of Rocks

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Planet Earth

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The Rock and Fossil Record

The Rock and Fossil Record. Chapter 6. Relative Dating. What is it? Figuring out whether an object or event is older or younger than other objects or events is called relative dating. Comparing the age of a rock to the rocks around it.

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III. FOSSIL AND BIOCHEMICAL EVIDENCE

III. FOSSIL AND BIOCHEMICAL EVIDENCE. TYPES 0F FOSSILS. PETRIFIED WOOD. MOLD. CAST. BONES. AMBER. IMPRINTS. PALEONTOLOGY -the study of fossils. Sedimentary rock. Figure 22.18. The Fossil Record.

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November 2,2011

November 2,2011. Objective: To learn how geologists infer the logical sequence of events and establish a probable relative age for a series of rock layers. Agenda: Law of superposition notes Text book questions Page 204-205 answer questions 4,12,13 Geologic Timeline hanging

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Divergent Plate Boundaries

Divergent Plate Boundaries. Lithologic Associations. Global Patterns of Divergence. Doming continental lithosphere. What Processes are Illustrated? What Geologic Features would be Preserved?. Processes Accompanying Doming. Normal Faulting Earthquakes Volcanism

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Relative Dating of Strata

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Ch. 21 Sec. 4

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Disturbed Rock Layers

Disturbed Rock Layers. Geologists often find features that cut across existing layers of rock. Geologists use relationships between rock layers & features that cross them to assign relative ages to features & layers.

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Geology 101

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Relative Dating : Which Came First?

Relative Dating : Which Came First?. Earth Science Chapter 3.2. Objectives:. Explain how relative dating is used in geology. Explain the principle of superposition. Describe how the geologic column is used in relative dating. Identify two events and two features that disrupt rock layers.

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Chapter 25

Chapter 25. The History of Life on Earth. The History of Life on Earth. Macroevolution - the pattern of evolution over large time scales. Earliest evidence of life: 3.5 byo fossils How did the first living cells appear? Abiotic synthesis of small organic molecules

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