Charles C. Plummer,
California State University at Sacramento Diane H. Carlson,
California State University at Sacramento Lisa Hammersley,
California State University at Sacramento
ISBN: 0077373731 Copyright year: 2010
About the Authors
CHARLES PLUMMER Professor
Charles “Carlos” Plummer grew up in the
shadows of volcanoes in Mexico City.
There, he developed a love for mountains
and mountaineering that eventually led
him into geology. He received his B.A.
degree from Dartmouth College. After
graduation, he served in the U.S. Army as
an artillery officer. He resumed his geological
education at the University of
Washington, where he received his M.S.
and Ph.D. degrees. His geologic work has
been in mountainous and polar regions,
notably Antarctica (where a glacier is
named in his honor). He taught at Olympic
Community College in Washington
and worked for the U.S. Geologic Survey
before joining the faculty at California
State University, Sacramento.
At CSUS, he taught optical mineralogy,
metamorphic petrology, and field
courses as well as introductory courses.
He retired from teaching in 2003. He
skis, has a private pilot license, and is
certified for open-water SCUBA diving.
plummercc@csus.eduDIANE CARLSON Professor Diane
Carlson grew up on the glaciated Precambrian
shield of northern Wisconsin
and received an A.A. degree at Nicolet
College in Rhinelander and B.S. in geology
at the University of Wisconsin at Eau
Claire. She continued her studies at the
University of Minnesota–Duluth, where
she focused on the structural complexities
of high-grade metamorphic rocks
along the margin of the Idaho batholith
for her master’s thesis. The lure of the
West and an opportunity to work with the
U.S. Geological Survey to map the
Colville batholith in northeastern Washington
led her to Washington State University
for her Ph.D. Dr. Carlson accepted
a position at California State University,
Sacramento, after receiving her doctorate
and teaches physical geology, structural
geology, environmental geology, and
field geology. Professor Carlson is a
recipient of the Outstanding Teacher
Award from the CSUS School of Arts
and Sciences. She is also engaged in
researching the structural and tectonic
evolution of part of the Foothill Fault
System in the northern Sierra Nevada of
California.
carlsondh@csus.eduLISA HAMMERSLEY Dr. Lisa Hammersley
hails originally from England
and received a BSc. in geology from the
University of Birmingham. After graduating
she travelled the world for a couple
of years before returning to her studies
and received a Ph.D. in Geology from the
University of California at Berkeley. She
joined the faculty at California State University,
Sacramento in 2003 where she
teaches physical geology, geology of
Mexico, mineralogy and metallic ore
deposits. Dr. Hammersley specializes in
igneous petrology with an emphasis on
geochemistry. Her interests involve
understanding magma chamber processes
and how they affect the evolution of
volcanic systems. She has worked on volcanic
systems in Ecuador and the U.S.
and is currently studying areas in northern
California and central Mexico. Dr.
Hammersley also works in the field of
geoarcheology; using geologic techniques
to identify the sources of rocks
used to produce stone grinding tools
found near the pyramids of Teotihuacan
in Mexico.
hammersley@csus.edu
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