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RECONSTRUCTING PAST ANTARCTIC ICE FLOW PATHS IN THE ROSS EMBAYMENT, ANTARCTICA USING SAND PETROGRAPHY, PARTICLE SIZE AND DETRITAL ZIRCON PROVENANCE

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Title: RECONSTRUCTING PAST ANTARCTIC ICE FLOW PATHS IN THE ROSS EMBAYMENT, ANTARCTICA USING SAND PETROGRAPHY, PARTICLE SIZE AND DETRITAL ZIRCON PROVENANCE
Author: Schilling, Andrea J.
Advisor: Licht, Kathy J.
Swope, R. Jeffery
Pachut, Joseph F., 1950-
Degree: M.S.
Degree Year: 2010
Department: Department of Earth Science
Grantor: Indiana University
Permanent Link: http://hdl.handle.net/1805/2133
Abstract: Tills for this study were analyzed from sites in East Antarctica (EA), West Antarctica (WA) and along a transect in the Ross Sea. Particle size, sand petrography, and detrital zircons were used to provide new information on the subglacial geology of Antarctica, as well as assisting in the reconstruction of Last Glacial Maximum (LGM) ice flow paths. Statistical analyses using the Kolmogorov-Smirnov (K-S test) reveal that EA and WA zircon age distributions are distinct at a P-value <0.05. This makes it possible to trace the unique signatures from EA and WA into the Ross Sea.
Keywords: Provenance
Antarctica
zircons
Till
LC Subject: Drift -- Antarctica
Petrology -- Antarctica
Zircon -- Antarctica
Date: 2010-05-03
Description: Indiana University-Purdue University Indianapolis (IUPUI)
Appears in Collections: Earth Sciences Department Theses and Dissertations


 

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