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GEOL 2207 (204)
J.Finnis (74)
Lecture

Biosphere and Biostratigraphy.docx

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Department
Geology
Course
GEOL 2207
Professor
J.Finnis
Semester
Summer

Description
Biosphere and Biostratigraphy Earth’s Changing Biosphere Mass extinction - A crisis that affects life across the planet - All life on earth part of the biosphere Biosphere - Thin layer of life that exist on surface of planet that interacts with hydrosphere (oceans, lakes, rivers), atmosphere, and lithosphere (earth’s crust) - Evolved through time over billion of years o Species evolve or go into extinction over time as biosphere evolves and changes Biostratigraphy Geologists and Paleontologists measure the passage of geological time as recorded on the geological rock record Stratigraphy – study of rock layers 2 CONCEPTS OF GEOLOGICAL RECORD AND ANCIENT
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