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In Memoriam

The Society notes with regret the deaths of the following members (notifications received 30 April–31 July 2019). Memorials to deceased
members are published open access at www.geosociety.org/memorials Visit that page to learn about how to honor someone with a memorial.

Sam L. Agron Eugene E. Brucker Marvin L. Ivey Jeremy P. Richards
Verona, New Jersey, USA St. Louis, Missouri, USA Largo, Florida, USA Sudberry, Ontario, Canada
Date of death: 12 Aug. 2018 Date of death: 10 May 2019 Date of death: 5 Apr. 2019 Date of death: 7 June 2019

Sam Boggs Jr. Jean F. Demouthe Alfred Kroener Henry R. Schmoll
Eugene, Oregon, USA San Francisco, California, USA Mainz, Germany Denver, Colorado, USA
Date notified: 21 June 2019 Date of death: 20 Oct. 2018 Date of death: 22 May 2019 Date of death: 5 Dec. 2018

Samuel A. Bowring T. Randolph Gray Sr. David B. MacKenzie Robert E. Sloan
Cambridge, Massachusetts, Birmingham, Alabama, USA Denver, Colorado, USA Winona, Minnesota, USA
USA Date notified: 5 May 2019 Date of death: 13 May 2019 Date of death: 17 June 2019
Date of death: 17 July 2019
Sherman Gromme Glenn M. Mason Jerry D. Vineyard
Willi K. Braun Palo Alto, California, USA New Albany, Indiana, USA Ozark, Missouri, USA
Warman, Saskatchewan, Date of death: 8 Aug. 2018 Date of death: 7 Nov. 2018 Date notified: 15 May 2019
Canada
Date of death: 1 Jan. 2019 Gregg F. Gunnell Lucian B. Platt Rolf E. Westgard
Durham, North Carolina, USA Gladwyne, Pennsylvania, USA Saint Paul, Minnesota, USA
Severn P. Brown Date of death: 20 Sept. 2017 Date of death: 1 Jan. 2019 Date of death: 20 May 2019
Canton, New York, USA
Date of death: 4 May 2019

2020
GSA PUBLICATIONS AUGUST 2019 VOL. 47 NO. 8 ISSN 0091-7613 AUGUST 2019 VOL. 47 NO. 8 P. 689–800
ONLY
CALENDAR
9
.95
$
MILESTONES
BUY ONLINE }
rock.geosociety.org/store
ISSN 0016-7606 VOL. 131 NO. 11/12VOL. 131 NO. 11/12VOL. 131 NO. 11/12 NOVEMBER/DECEMBER 2019
ISSN 0016-7606
NOVEMBER/DECEMBER 2019
NOVEMBER/DECEMBER 2019
ISSN 0016-7606
Geology continues its reign as Geosphere, reaching 2.847. THE GEOLOGICAL SOCIETY OF AMERICA BULLETIN, VOLUME 131, NO. 11/12, P. 1761–2112
the Journal Citation Reports’ The five-year impact factor
#1 ranked geology journal for also increased to 2.989.
the thirteenth year in a row.
According to Clarivate Analytics The impact factor for } rock.geosociety.org/store
BUY ONLINE
toll‑free 1.888.443.4472 | +1.303.357.1000, option 3 | gsaservice@geosociety.org
(Web of Science Group, 2019), Lithosphere was 2.486, with
it had a 2019 impact factor of a five-year impact factor NOVEMBER/DECEMBER 2019
5.006 and a five-year impact of 2.961.
factor of 5.406. While Clarivate Analytics does
The Geological Society of not produce impact factors for
America Bulletin’s impact book series, it indexes GSA’s
factor was 3.970, with a five- Special Papers, Memoirs, ISSN 1941-8264 | VOLUME 11 | NUMBER 4 | AUGUST 2019
year impact factor of 4.708. and Reviews in Engineering
Bulletin ranks #27 among Geology in its Book Citation
multidisciplinary geoscience Index, which is part of the
journals. Web of Science.
For the fourth year running, Explore GSA’s journals and
the impact factor soared for books at www.gsapubs.org.
Fresh look at an old turtle in Death Valley 436
Detached in South Tibet 465
A tale of trans-American zircons 581

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