Lab4GeochronologyIsochron[1]

Lab4GeochronologyIsochron[1] - QUIZ!! You have a quiz! Labs...

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Unformatted text preview: QUIZ!! You have a quiz! Labs 1-4 are fair game! Last Week: Lab 1 Identify Sedimentary Rocks , Where they form Lab 2 Vertical Sequencing, Sea Level Rise/Fall Lab 3 Dating rock layers Lithology Fossils Lab 4 Geochronology: Constructing an Isochron Relative vs. Absolute Age in Geology Relative Age Dating Gives only an approximate age Not a number Utilizes Laws of Superposition, Cross-Cutting Relationships, Concurrent Age Zones Absolute Age Dating Yields precise ages Radioactive decay Radioactive decay gives us this information What Happened First? Last? Relative Dating How old is the limestone? I g n e o u s i n t r u s i o n Igneous intrusion Relative Dating Law of Superposition Principle of Cross-Cutting Relationships What is the age of the fossil assemblage? I g n e o u s i n t r u s i o n Igneous intrusion I g n e o u s i n t r u s i o n Igneous intrusion Relative Dating Law of Superposition Principle of Cross-Cutting Relationships What is the age of the fossil assemblage? I...
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Lab4GeochronologyIsochron[1] - QUIZ!! You have a quiz! Labs...

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