Class Notes (836,992)
Canada (510,027)
ERS120H5 (153)
Lecture

Geology.docx

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Department
Earth Science
Course
ERS120H5
Professor
Lindsay Schoenbohm
Semester
Winter

Description
Telling time: geologic Time and rock dating methods Measure time • Relative age o Putting events in order to figure out time span o Easier and cheaper • Numerical age o Utilizing dates o Expensive and labour intensive Most recent event to oldest • Erosion • Basalt I • Basalt II • Conglomerate • Breccia • Erosion • Tilting • Limestone • Shale • Sandstone • Erosion • Gneiss The principle of cross cutting relationships – any features which cuts across other rocks and features must be younger (dike) The principle of inclusion/xenoliths.Any p
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