A Possible Impact Crater in Basalt at Meseta De La Barda Negra, Neuquen, Argentina Ocampo, A. C. ; Garrido, A. C. ; Rabassa, J. ; Rocca, M. C. L. ; Echaurren, J. C. ; Mazzoni, E. Abstract Publication: Meteoritics and Planetary Science Supplement Pub Date: September 2005 Bibcode: 2005M&PSA..40.5005O