'Determining relative age' diaporamas de présentation

Unit 6 Geologic Time

Unit 6 Geologic Time. Chapter 21 Fossils and the Rock Record. 21.1 The Rock Record. The geologic time scale - the Earth is 4.6 billion years old. - in order to break up this vast amount of time, scientists divide it into Eons. Eons.

833 views • 62 slides

READING THE ROCK RECORD

READING THE ROCK RECORD. relative time : events are in sequence, but no actual dates absolute time : identifies actual date of event. Most geologic work is done using relative time !. Determining Relative Age of Rocks.

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The Changing Earth

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Section 1: Determining Relative Age

Section 1: Determining Relative Age. Preview Objectives Uniformitarianism Relative Age Law of Superposition Principle of Original Horizontality Unconformities Crosscutting Relationships. Objectives. State the principle of uniformitarianism.

926 views • 21 slides

Section 1: Determining Relative Age

Section 1: Determining Relative Age. Preview Objectives Uniformitarianism Relative Age Law of Superposition Principle of Original Horizontality Unconformities Crosscutting Relationships. Objectives. State the principle of uniformitarianism.

453 views • 21 slides

The Rock Record

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GEOLOGIC TIME (AGE) RELATIVE Comparison of Features relative to one another ABSOLUTE

GEOLOGIC TIME (AGE) RELATIVE Comparison of Features relative to one another ABSOLUTE Establish or determine numerical dates for Features. LAWS (PRINCIPALS) OF DETERMINING RELATIVE AGE ORIGINAL HORIZONTALITY LATERAL CONTINUITY SUPERPOSITION UNCONFORMITIES (WITH 3 ABOVE) INCLUSIONS

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Dating Rock Layers

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Minerals, rocks, weathering, sequencing & energy

Minerals, rocks, weathering, sequencing & energy. Std. 3. Minerals. Must have the following 5 characteristics: Naturally occurring Inorganic Solid Crystal structure Definite chemical composition. Identifying Minerals (physical properties). Color Streak Luster Density Hardness

298 views • 18 slides

The Relative A ge of Rocks

The Relative A ge of Rocks. Objectives: Explain the law of superposition Explain how geologists determine the relative age of rocks Evaluate the usefulness of index fossils. Relative vs. Absolute age. What is the difference between these two statements: I am older than my sister.

315 views • 14 slides