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Anderson co-authors paper at
conference in England
Dr. Steve Anderson, associate professor of geology at
Black Hills State University, co-authored a paper that
was recently presented at a conference in England.
The paper "Development of tumuli in the medial
portion of the 1983 flow-field, Mount Etna, Sicily"
was presented at the Volcanic and Magmatic Studies Annual
Meeting at the University of Lancaster, U.K. Colleagues
Anderson collaborated with on this work are Dr. Angus
Duncan, University of Luton, U.K.; Dr. John Guest,
University College London, U.K.; Dr. Ellen Stofan, Jet
Propulsion Laboratory; Dr. Harry Pinkerton, University of
Lancaster, U.K.; and Dr. Sonia Calvari, Instituto
Internazionale di Vulcanologia, Italy.
The scientists' research is a result of an ongoing
project to determine how changes in volcanic behavior
affect the formation of lava-flow surface structures.
Anderson explained, The surface of an active
lava flow responds to changes in the rate at which a
volcano erupts. The surface features that we are studying
are called "tumuli", which are a characteristic
bumpy, fractured surface that forms as lava erupts from
the volcano at low rates. Therefore, by looking at what
kind of features form on a lava flow surface, we can
figure out eruption rates.
The BH geologist says this is useful research data for
trying to figure out eruption rates for prehistoric
volcanoes or volcanoes on other planets such as Mars.
Anderson returned this fall from a one-year teaching
sabbatical at the University of Arizona and is currently
teaching and serving as chairman of the university's
science department. He has been a member of the BHSU
faculty since 1991. He completed his doctorate in geology
from Arizona State University in 1990.
Anderson's participation in this project was funded in
part by the BHSU Faculty Research Committee.
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