A Reconnaissance Paleomagnetic Study of the Tertiary Volcanic Tuffs Exposed in the Cedar Hills, Utah
Creators:Breininger, Debra El
Advisor:Noltimier, Hallan C.
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Publisher:The Ohio State University
Series/Report no.:The Ohio State University. Department of Geology and Mineralogy Senior Theses; 1984
Nine samples of the Moroni Formation were sampled from Apple Tree Spring f o r paleomognetic investigation. The Moroni Formation i s a series of ash-flow t u f f s representing a portion of the extensive volcanic extrusive5 that covered Utah and Nevada during the Tertiary. Magnetic properties provide support f o r the existence of a f a u l t proposed by Cooper (1956) i n the sampled sequence. The magnetic declination (17') of the mean group of t u f f s helps t o provide a closer estimate of the age than was previously possible. A11 remanence directions are down, indicating normal polarity, and the rapid, successive extrusion of the t u f f s i n order f o r them t o a l l be of normal p o l a r i t y .
Research Award 1984
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