Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Araguainha  Brazil  S 16° 47'  W 52° 59'  40  254.7 ± 2.5  Y  N  M  -

1. Landsat image

2. Landsat Thematic Mapper RGB (bands 4,5,3)

3. DEM image Provided by Dr. Carlos Roberto de Souza Filho

4 & 5. Image Provided by Dr. Carlos Roberto de Souza Filho


Bischoff, L., Brockmeyer, P., Jenchen, U. and Swietlik,R.-M., Structural aspects of the Araguainha impact structure (Brazil) (abstract). International Conference on Large Meteorite Impacts and Planetary Evolution, LPI Contribution No. 790, pp. 6-7. 1992.
Bland, P. A., Artemieva, N. A. , de Souza Filho, C.R., The Production Rate of Small Craters on Earth, and the Expected Crater Population in South America. 67th Annual Meteoritical Society Meeting. 2004.
Buhl, D., Deutsch, A and Langenhorst,F., On the significance of ages for impact melts: New RB-Sr and Sm-Nd data for Dellen (Sweden) and Araguainha (Brazil) (abstract). Meteoritics, v. 25, p. 352. 1990.
Crosta, A. P., Araguainha Dome. The largest astrobleme in South America, published on the internet at the address: 1999.
Crosta, A. P., Impact Craters in Brazil: How Far We've Got. 2004.
Crosta, A. P., Impact structures in Brazil. Research in Terrestrial Impact Structures, J. Pohl, Friedrich, Vieweg & Sohn, Braunschweig/Wiesbad, pp. 30-38. 1987.
De Souza Filho, C.R., Bland, P. A., Proven, Probably and Possible Impact Craters in South America Revealed by Aster and SRTM Data and Image Processing Techniques. 67th Annual Meteoritical Society Meeting. 2004.
Deutsch, A., Buhl, D. and Langenhorst,F., On the significance of crater ages: new ages for Dellen (Sweden) and Araguainha (Brazil). Tectonophysics, v. 216, pp. 205-218. 1992.
Deutsch, A., Buhl, D. and Langenhorst,F., Rb-Sr and Sm-Nd-dating of impact melts: Dellen (Sweden) and Araguainha (Brazil) (abstract). Pesonen, L.J. and Niemisara, H., eds., Symposium Fennoscandian Impact Structures, p. 36. 1990.
Dietz, R. S., French, B. M., Araguainha Dome and Serra de Cangalha, Brazil: Probable astroblemes (abstract). Meteoritics, v. 8, pp. 345-347. 1973.
Dietz, R. S., French, B. M., Two new astroblemes (one definite, one probable) in Brazil (abstract). Geological Society of America, v. 5, p. 598. 1973.
Dietz, R. S., French, B. M., Two probable astroblemes in Brazil. Nature, v. 244, pp. 561-562. 1973.
Echaurren, J.C., Ocampo, A.C., Rocca, M.C.L., A mathematic model for the Araguainha impact structure, Brazil, South America, Meteoritics and Planetary Science, v. 39, pp. A35, 2004
Engelhardt, W. v., Matthäi, S.K. and Walzebuck,J., Araguainha impact crater, Brazil. I. The interior part of the uplift. Meteoritics, v. 27, pp. 442-457. 1992.
Englehardt, W. v., Matthäi, S. and Walzebuck,J., Araguainha impact structure, Brazil: Shocked rocks of the central uplift (abstract). Lunar and Planetary Science XXII, pp. 351-352. 1991.
Grieve, R. A. F., The record of impact on Earth: Implications for a major Cretaceous/Tertiary impact event. Geological Society of America, Special Paper 190, pp. 25-37. 1982.
Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987.
Hachiro, J., Four Impact cratering on the Parana Sedimentary Basin (South America), 31st International Geological Congress Abstract #G2505011.
Hammerschmidt, K., Engelhardt, W. v., 40Ar/39Ar dating of the Araguainha impact structure, Mato Grosso, Brazil. Meteoritics, v. 30, pp. 227-233. 1995.
Hippertt, J., Lana, C., Aerial crystallization of hematite in impact bombs from the Araguainha astrobleme, Mato Grosso, central Brazil, Meteoritics & Planetary Science, 33, pp. 1303-1309. 1998.
Lana, C., et al., Collapse of large complex impact craters: Implications from the Araguainha impact structure, central Brazil, Geology, v. 34, pp. 9-12, 2006
Lana, C., et al., Insights into the morphology, geometry, and post-impact erosion of the Araguainha peak-ring structure, central Brazil, Bulletin of the Geological Society of America, v. 119, pp. 1135-1150, 2007
Lana, C., et al., Structural evolution of the 40 km wide Araguainha impact structure, central Brazil, Meteoritics and Planetary Science, v. 43, pp. 701-716, 2008
Lana, C., Hippertt, J., Dynamic Sculpturing and Segregation by Mass in Ejecta Bombs from the Araguainha Astrobleme, Central Brazil, Meteoritics; vol. 34, No. 4, Supp. p. A71. 1999.
Machado, R., et al. , Generation, mobilization and crystallization of impact-induced alkali-rich melts in granitic target rocks: Evidence from the Araguainha impact structure, central Brazil, Geochimica et Cosmochimica Acta, v. 73, pp. 7183-7201, 2009
McHone J. F. Jr., Astroblemes in Brazil, 1978.
Martinez, I., Schärer, U. and Deutsch,A., Determination of shock-wave peak pressure and Rb-Sr isotope systematics in a granite from the Araguainha impact crater (Brazil) (abstract). Lunar and Planetary Science XXII, pp. 857-858. 1991.
Masaitis, V. L., Danilin, A.N., Maschak, M.S., Raykhlin, A.I., Selivanovskaya, T.V. and Shadenkov,Ye.M., The Geology of Astroblemes (in Russian). Leningrad, Nedra, 231 p. 1980.
Masero, W., Fischer, G., Schnegg., Electrical Conductivity and Crustal Deformation from Magnetotelluric Results in the Region of the Araguainha Impact, Brazil, Physics of the Earth and Planetary Interiors v. 101, pp. 271- 289. 1997.
Masero, W., Schnegg, P.-A. and Fontes,S.L., A magnetotelluric investigation of the Araguainha impact structure in Mato Grosso-Goiás, central Brazil. Geophysics Journal International, v. 116, pp. 366-376. 1994.
Penteado Crosta, A., ( Geologic mapping of the Araguainha Dome using remote sensing techniques). [Mapeamento geologico do Domo de Araguainha utilizando tecnicas de sensoriamento remoto.], [No source information available]   , N/A, 1983
Romano, R., Crosta, A. P., Brazilian Impact craters: A review, Lunar and Planetary Science XXXV. 2004.
Romano, R., Reimold, W. U. , Lana, C., The Araguainha Impact Structure, Central Brazil: A Perfect Example to Study Collapse of Large Complex Impact Craters, 68th Annual Meteoritical Society Meeting. 2005.
Schnegg, P.-A., Fontes, S.L., Feasibility study of the geoelectric structure of the Araguainha impact, Brazil, Earth, Planets and Space, v. 54, pp. 597-606, 2002
Silva, D., Lana, C., Stevens, G., & Souza Filho, C.,R., Effects of shock-induced incongruent melting within earths crust; the case of biotite melting. Terra Nova, 23(4), 225-231. 2011.
Theilen-Willige, B., The Araguainha astrobleme/Central Brazil, Geologische Rundschau, v. 71, pp. 318-327, 1982
Tohver, E. et al., Geochronological constraints on the age of a Permo-Triassic impact event: U-Pb and 40Ar/39Ar results for the 40 km Araguainha structure of central Brazil, Geochemica et Cosmochimica Acta v. 86, pp. 241-227, 2012.
Tong, C.H., et al., Geoelectric evidence for centripetal resurge of impact melt and breccias over central uplift of Araguainha impact structure, Geology, v. 38, pp. 91-94, 2010
* pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present.

** Abbreviations: C - Crystalline Target; C-Ms - Metasedimentary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press.

***From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite)