Geological Society of America

8:00 AM

REASSESSING AND RECLASSIFYING THE ROLE OF THE APEX CHERT IN ASTROBIOLOGY

Julienne R. Emry, University of Kansas, Lawrence, KS and Alison Olcott Marshall, University of Kansas, Lawrence, KS and Craig P. Marshall, University of Kansas, Lawrence, KS

180564 (Technical Sessions)

8:15 AM

NEW CONSTRAINTS FOR THE OXIDIZATION OF DEEP OCEANS

Michiel O. de Kock, University of Johannesburg, Johannesburg, N/A and Nicholas J. Beukes, University of Johannesburg, Johannesburg, N/A and Jens Gutzmer, TU Bergakademie, Freiberg, N/A and Joydip Mukhopadhyay, Presidency College, Kolkata, N/A

175679 (Technical Sessions)

8:30 AM

RE-OS GEOCHRONOLOGY OF THE NEOPROTEROZOIC – CAMBRIAN DALRADIAN SUPERGROUP OF SCOTLAND AND IRELAND: IMPLICATIONS FOR NEOPROTEROZOIC STRATIGRAPHY, GLACIATIONS AND RE-OS SYSTEMATICS

Alan D. Rooney, Harvard University, Cambridge, MA and David M. Chew, Trinity College, Dublin, N/A and David Selby, Durham University, Durham, N/A

176324 (Technical Sessions)

8:45 AM

THE ORIGIN OF ROLL-UP STRUCTURES AND SYNDEPOSITIONAL FOLDS IN A STURTIAN CAP CARBONATE, THE RASTHOF FORMATION, NORTHERN NAMIBIA

Sara Pruss, Smith College, Northampton, MA and Tanja Bosak, Massachusetts Institute of Technology, Cambridge, MA and Francis A. Macdonald, Harvard University, Cambridge, MA and Paul F. Hoffman, Harvard Univ, Cambridge, MA

178039 (Technical Sessions)

9:00 AM

NEW U-PB SHRIMP AGES AND THE STRATIGRAPHY OF THE CHHATTISGARH BASIN, BASTAR CRATON, CENTRAL INDIA: SIGNIFICANCE FOR GLOBAL STUDIES OF MESOPROTEROZOIC SEDIMENTARY ASSEMBLAGES

Abhijit Basu, Indiana Univ, Bloomington, IN and Marion E. Bickford, Syracuse University, Syracuse, NY and Arunangshu Mukherjee, Central Ground Water Board, Faridabad, N/A and Sarbani Patranabis-Deb, Indian Statistical Institute, Kolkata, N/A and Juergen Schieber, Indiana University, Bloomington, IN and Rajeeva Guhey, Government Science College, Raipur, N/A and Ranjan Ray, Central Ground Water Board, Raipur, Chhattisgarh, N/A and Purbasha Bhattacharya, Indian Statistical Institute, Kolkata, N/A and Pratap Dhang, Indian Statistical Institute, Kolkata, N/A

179629 (Technical Sessions)

9:15 AM

TECTONIC IMPLICATIONS OF CA. 1000 MA MAGMATIC EVENTS IN CENTRAL INDIA

M.E. Bickford, Syracuse University, Syracuse, NY and Abhijit Basu, Indiana Univ, Bloomington, IN

178109 (Technical Sessions)

9:30 AM

A DETRITAL ZIRCON TRANSECT ACROSS THE SON VALLEY SECTOR OF THE VINDHYAN BASIN, INDIA: FURTHER CONSTRAINTS ON BASIN EVOLUTION

Candler C. Turner, University of Florida, Gainesville, FL and Joseph G. Meert, University of Florida, Gainesville, FL and G.D. Kamenov, University of Florida, Gainesville, FL and M.K. Pandit, University of Rajasthan, Jaipur, N/A

181143 (Technical Sessions)

9:45 AM

TECTONIC EVOLUTION OF THE PRECAMBRIAN BUNDELKHAND CRATON, CENTRAL INDIA: INSIGHTS FROM THE PALEOMAGNETIC AND GEOCHRONOLOGIC STUDIES ON THE MAFIC DYKE SWARMS

Vimal Roy Pradhan, Gainesville, FL and Joseph G. Meert, University of Florida, Gainesville, FL and M.K. Pandit, University of Rajasthan, Jaipur, N/A and George D. Kamenov, University of Florida, Gainesville, FL and Md. Erfan Ali Mondal, Aligarh Muslim University, Aligarh, N/A

179827 (Technical Sessions)

10:00 AM

OH MY! MALANI PALEOMAGNETISM AGAIN?

Joseph G. Meert, University of Florida, Gainesville, FL and Mercedes Belica, University of Florida, Gainesville, FL and Manoj K. Pandit, University of Rajasthan, Jaipur, N/A and Vimal R. Pradhan, University of Florida, Gainesville, FL

181065 (Technical Sessions)

78 Recent Advances in Precambrian Geology

Presentations