'Precambrian rocks' diaporamas de présentation

Chapter 8

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Formation of the Great Lakes Part 2 Precambrian and Paleozoic

Formation of the Great Lakes Part 2 Precambrian and Paleozoic. History Channel Video Chapter 2 in Grady Chapter 2 in Greenberg. Great Lakes Basin in the Precambrian. Foundation for Great Lakes Basin (GLB) was formed over 3 bya in Precambrian Canadian Shield Igneous rocks

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Chapter 8

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Chapter 8

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Chapter 8

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Essentials of Geology, 9e

Essentials of Geology, 9e. Earth History: A Brief Summary Chapter 19. Early evolution of Earth. Origin of planet Earth Most researchers believe that Earth and the other planets formed at essentially the same time from the same primordial material as the Sun Nebular hypothesis

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Life and Geologic Time

Life and Geologic Time. Geologic Time. Trilobites are small, hard-shelled organisms that crawled on the seafloor. They are considered to be index fossils because they lived over vast regions of the world during specific periods of geologic time. . The Geologic Time Scale.

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Chapter 8

Chapter 8. Precambrian Earth and Life History The Archean. Introduction. Our reference of time, in geology, spans billions of years. The Earth is 4.6 billion years old The largest unit of time on Earth is the Precambrian . It lasted more than 4 billion years. Fig. 19.1, p. 494.

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Section 2: Precambrian Time

Section 2: Precambrian Time. Section 2: Paleozoic. Section 2: Precambrian Time and the Paleozoic Era. Preview Key Ideas Evolution Precambrian Time The Paleozoic Era. Key Ideas. Summarize how evolution is related to geologic change. Identify two characteristics of Precambrian rock.

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Section 2: Precambrian Time and the Paleozoic Era

Section 2: Precambrian Time and the Paleozoic Era. Preview Objectives Evolution Precambrian Time The Paleozoic Era. Objectives. Summarize how evolution is related to geologic change. Identify two characteristics of Precambrian rock.

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Section 2: Precambrian Time and the Paleozoic Era

Section 2: Precambrian Time and the Paleozoic Era. Preview Key Ideas Evolution Precambrian Time The Paleozoic Era. Key Ideas. Summarize how evolution is related to geologic change. Identify two characteristics of Precambrian rock.

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Precambrian Time and the Paleozoic Era

Precambrian Time and the Paleozoic Era. 9.2. Evolution. Evolution: an inheritable change in the characteristics within a population from one generation to the next; the development of new types of organisms from preexisting types of organisms over time

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Precambrian Time: Vast and Puzzling

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The Geologic Time Scale

The Geologic Time Scale. If we condensed the Geologic Time Scale to One Minute when would humans appear?. Origin of Life in One Minute. Geologic time is divided into: EONS ERAS PERIODS EPOCHS. WHY DO WE HAVE DIFFERENT NAMES FOR EONS AND ERAS?.

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