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Kyle  Makovsky

Kyle Makovsky

kamakovs@syr.edu

PhD Student Earth Sciences

308A Heroy GL

Kyle's CV

Advisor:  Dr. Scott D. Samson

BS Earth Science, Minnesota State University, Mankato, 2010

MS Geology, Boise State University, 2013

 

Research Interests

My research interests are broad, but in general I focus on the geochemical, petrological, and geochronological aspects of magmatic processes.  The processes I investigate primarily operate at the micro-scale within magma chambers, yet they can provide enormous insight into processes at the continental-scale.  Volcanic-plutonic associations are another topic of interest.  Laboratory and field- work are both vital components to my research methodology, as geologic context starts (and arguably ends) at the outcrop.

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Grenville Granitoids

My doctoral research is focused on understanding the process(es) that generated granitoids with exceptionally high zirconium (Zr) concentrations during the Grenville Orogeny.  These rocks are a volumetrically significant part of the exposed orogenic belt and can be found in the eastern US, Australia, South America, and Scandinavia.  Specifically, I am interested in evaluating the role of crustal recycling to their petrogenesis.  I am using the Sensitive High Resolution Ion Microprobe (SHRIMP) to measure titanium (Ti) concentrations in zircon to determine the temperature at which these rocks may have formed.  I am also using Hf isotope data from zircon to assess if the melts that produced these rocks were derived from continental crust.  In the future, I plan to measure zircon stable oxygen isotope ratios to gain further insight into their origin.

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Paleogene Volcanism in Southern Oregon

This project is somewhat of a continuation of my Masters work at Boise State University.  It started as a need to place poorly constrained volcanic units into a proper regional stratigraphic framework.  I obtained zircon U/Pb dates via LA-ICP-MS for this portion of the project.  However, upon continued field work and review of old geologic maps, I have learned of a plutonic system in the same area (within 5 km), which I have determined to be of similar age (also by zircon U/Pb).  Hence, there is a unique opportunity to study the relationship between ignimbrites and their plutonic counterparts.  I am in the process of obtaining chemical data from individual glass shards via EPMA.  With these data, I am trying to demonstrate that both the volcanic and plutonic rocks were derived from the same magma.  Future high precision zircon U/Pb ages may offer insight into the timescales in which magmas are emplaced to shallow crustal levels.  Lastly, at the latitude at which the field area resides, there is a ~200 km eastward shift in the axis of the ancient Cascadian arc, leading some workers to suggest that this is the product of a slab tear.  Using the trace element geochemistry of these rocks, one goal is to determine if this tectonic model is a viable explanation for their origin.

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