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New Impact Factors Announced
Geology Still #1
Geology has continued its reign as the Journal Citation While Thomson Reuters does not produce impact factors
Reports’ #1 ranked geology journal for the ninth year in a for book series, it indexes GSA’s Special Papers, Memoirs,
row. This year, the journal’s impact factor rose to 4.884, and and Reviews in Engineering Geology in its Book Citation
its five-year impact factor rose to 4.962. Index, which is part of the Web of Science.
GSA TODAY | SEPTEMBER 2015 The Geological Society of America Bulletin’s impact factor
dipped slightly to 3.870, with a five-year impact factor of
4.634. It is the #12 ranked multidisciplinary geosciences
journal.
After increasing 24% last year, Lithosphere’s impact factor
rose again to 3.013. Its five-year impact factor is 2.743.
Geosphere had an impact factor of 2.012, with a five-year
impact factor of 2.652.
Browse GSA’s journals & books at www.gsapubs.org
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