The authors belong to a unique and multidisciplinary geological research group in South America, with a substantial background in Near Earth Objects, meteoritic and impact cratering studies. The group has been working on these subjects for more than 10 years in Argentina.R.D. Acevedo is a geologist and graduate of the University of Buenos Aires (UBA), currently working as a scientific investigator for the Argentine National Council of Science (CONICET). M. Rocca is a computer systems analyst, who also studied Geological Sciences at the UBA. Today his work is supported by The Planetary Society. V.M. García is a technical expert at CONICET; his work focuses on researching satellite information, looking for critical localities for impact crater studies.

• Introduction.- Argentina.- Bolivia.- Brazil.- Chile.- Colombia.- Ecuador.- Paraguay.- Peru.- Uruguay.- Venezuela.

The authors belong to a unique and multidisciplinary geological research group in South America, with a substantial background in Near Earth Objects, meteoritic and impact cratering studies. The group has been working on these subjects for more than 10 years in Argentina.R.D. Acevedo is a geologist and graduate of the University of Buenos Aires (UBA), currently working as a scientific investigator for the Argentine National Council of Science (CONICET). M. Rocca is a computer systems analyst, who also studied Geological Sciences at the UBA. Today his work is supported by The Planetary Society. V.M. García is a technical expert at CONICET; his work focuses on researching satellite information, looking for critical localities for impact crater studies.

• Introduction.- Argentina.- Bolivia.- Brazil.- Chile.- Colombia.- Ecuador.- Paraguay.- Peru.- Uruguay.- Venezuela.