GEOLOGY JAN 27

GEOLOGY JAN 27 - GEOLOGYJAN27 27/01/200911:12:00

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GEOLOGY JAN 27 27/01/2009 11:12:00 SOLE MARKS: OCCUR ON THE BOTTOM; LITTLE CRITTER PATHS --RELATIVE AGES FROM ABOVE— EX OF ONLAP: GREEN ISLANDS IN THE BROWN ON RANDOM ASS MAP? WHICH UNITS ARE OLDER? (IGNORING SYMBOLS & COLOR?)
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GEOLOGY NOTES>> FEB 3 27/01/2009 11:12:00 RADIOACTIVE DECAY: A GEOLOGIC CLOCK  SIMPLIFIES TO:  N daughter = N parent  IN REALITY: N daughter = N parent + N parent -IN PRACTICE, WE MEASURE ISOTOPIC RATIOS OF RADIOACTIVE AND  RADIOGENIC ISOTOPES RELATIVE TO A STABLE ISOTOPE -AND WE DEVELOP SERIES OF EQUATIONS WITH TWO UNKNOWNS FROM  ANALYSIS OF DIFFERENT MINERALS IN A ROCK OR DIFFERENT ROCKS WITH A  COMMON ORIGIN -HALF LIFE IS THE AMOUNT OF TIME IT TAKES FOR ½ OF THE PARENT  ATOMS TO DECAY TO THE DAUGHTER.  K-Ar DATING 40K decays to 40 Ar
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This note was uploaded on 03/17/2011 for the course GEOL 2002 taught by Professor Harris during the Spring '09 term at Georgia State.

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GEOLOGY JAN 27 - GEOLOGYJAN27 27/01/200911:12:00

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