Environmental Internship Program - 2019 Booklet
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Galen Cadley ’21<br />
GEOSCIENCES<br />
CLIMATE CHANGE AND<br />
ENVIRONMENTAL SCIENCE<br />
PROJECT TITLE<br />
Sponge Reef Morphology<br />
as a Driver of the<br />
Cambrian Explosion<br />
ORGANIZATION(S)<br />
Maloof Group, Department<br />
of Geosciences,<br />
Princeton University<br />
LOCATION(S)<br />
Yukon Province, Canada;<br />
Princeton, New Jersey<br />
MENTOR(S)<br />
Adam Maloof, Associate<br />
Professor of Geosciences;<br />
Bolton Howes, Ph.D.<br />
candidate, Geosciences;<br />
Ryan Manzuk, Ph.D.<br />
candidate, Geosciences<br />
I conducted fieldwork to locate Archaeocyathid<br />
sponges within early Cambrian rock in order<br />
to understand the role of early reef structure<br />
in creating the biodiversity we see in the<br />
fossil record after the Cambrian explosion.<br />
The research team and I investigated how<br />
Archaeocyathid sponges might have contributed<br />
to the creation of reef structure. We collected<br />
samples from early-Cambrian rock for further<br />
study in the lab at Princeton. I used GPS<br />
coordinates to record where we gathered each<br />
sample and to mark approximately 1,000 random<br />
points within a diamond grid for the purpose of<br />
creating a rendering of our site. Using these data<br />
and aerial photographs taken during two drone<br />
flights, we digitally reconstructed a 3D model<br />
of our site. This internship enhanced my course<br />
of study and helped me develop a skill base and<br />
excitement for fieldwork. I am more excited<br />
about the research opportunities that my junior<br />
paper and senior thesis will provide and am<br />
considering postgraduate education.<br />
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