![]() |
22 Coring
the Chesapeake Bay Impact Crater
An extraterrestrial impact 36 million years ago left a lasting impression in
the Chesapeake Bay and continues to affect the region's environment today.
C. Wylie Poag
26 The Many Faces of the Alamo Breccia
In Nevada, with no visible crater, researchers are piecing together evidence
of a 370 million-year-old impact based on widely dispersed pieces of rock.
John E. Warme
30 Impacts in Space and on Earth: An Interview with Carolyn Shoemaker
Carolyn Shoemaker reflects on a lifetime of work with her husband Gene, uncovering
impact structures around the world.
Lisa M. Pinsker
NEWS
& VIEWS 5 COMMENT Asteroid Futures Although the near-term risk of a catastrophic asteroid collision on Earth may be slim, scientists acting now can provide insurance to protect future generations. Richard P. Binzel 6 NEWS NOTES 13 POLITICAL SCENE 14 EDUCATION &
OUTREACH 34 GEOPHENOMENA
36 PROFILES
38 ENERGY & RESOURCES 56 GEOLOGIC COLUMN
|
DEPARTMENTS
2 From the Editor 4 Letters: Perspectives from readers 32 Where on Earth? 37 Benchmarks: Looking back in Geotimes 40 Geomedia: Life on a Young Planet 44 GeoMarketplace 45 Classified Ads: Career Opportunities 55 Contributors Page Want to attend a geoscience meeting? Visit the online Calendar. Research out of the ashes, p.34
|
![]() |
Geotimes Home | AGI Home | Information Services | Geoscience Education | Public Policy | Programs | Publications | Careers ![]() |