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Earth Impact Database Sorted by : | Name | Diameter | Age |



Crater Name
Diameter (km)
Age (Ma)*
Target Rock**
Bolide Type***
S 23° 56'
W 68° 17'
< 1


Photo looking to the north - submitted by Hernan A. Ugalde, Univ. Toronto Physics

Photo looking to the south - submitted by Hernan A. Ugalde, Univ. Toronto Physics



DEM Image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

Bunch, T. E., Cassidy, W. A., Petrographic and electron microprobe study of the Monturaqui impactite. Contributions to Mineralogy and Petrology, v. 36, pp. 95-112. 1972.
Cockell, C. S., Lee, P., The Biology of Impact Craters - a review. Biol. Rev., 77, P. 279 - 310. 2002.
Crosta, A. P., Impact Craters in Brazil: How Far We've Got. 2004.
Cukierski, D., Peate, D.W., Peate, I.U., and Anonymous. Petrographic and compositional characterization of metallic spherules in impact melt at Monturaqui Crater, Chile. Geological Society of America, vol.33, pp.307. 2011.
Cukierski, D.O., Textural and compositional analysis of Fe-Ni metallic spherules in impact melt from Monturaqui Crater, Chile.  University of Iowa. 2013.
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.
Echaurren, J. C., Ocampo, A. C. , Rocca, M. C. L., A Mathematic model for the Monturaqui Impact Crater, Chile, South America, 68th Annual Meteoritical Society Meeting; 5004.pdf. 2005.
Gibbons, R. V., Horz, F., Thompson, T.D. and Brownlee,D.E., Metal spherules in Wabar, Monturaqui, and Henbury impactites. Proceedings Lunar and Planatary Science Conference 7th, pp. 863-880. 1976.
Gibbons, R. V., Horz, F. and Morris,R.V., Fractionation of metallic spherules in Wabar, Henbury, and Monturaqui impactites (abstract). EOS, v. 56, pp. 1017. 1975.
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.
Kloberdanz, C.M., Peate, U.I., Pete, D., Cabrol, N., Grin, E., and Anonymous.  Geochemical investigations of the Monturaqui impact crater, Chile (abstract). Eos, Transactions, American Geophysical Union, vol.90, abstract no. GA33B-05. 2009.
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.
Parfenova O V., Yakovlev, O. I., Some peculiarities of selective evaporation in target rocks after meteoritic impact. Impact and Explosion Cratering, D. J. Roddy, R. O. Pepin and R. B. Merrill, Pergamon Press, New York, pp. 843-859. 1977.
Peate, U.I.,Kloberdanz, C., Peate, D.W., Wan, L.C., Cabrol, N.,Grin, E., Piatek, J., Chong, G. Non-modal melting of target rocks to produce impactite at Monturaqui Crater, Chile (abstract). 41st Lunar and Planetary Science Conference, abstract no. 2089. 2010.
Piatek, J.L., et.al. Monturaqui Crater (Atacama Desert, Chile) as a Mars analog; exploring the impact spherule hypothesis for Meridiani (abstract). 41st Lunar and Planetary Science Conference, abstact no. 2236. 2010.
Rathbun, K., and Peate, U.I. Investigation of a possible link between external morphology and internal texture in impact melt ejecta from Monturaqui Crater, Chile (abstract). Geological Society of America, vol.47, pp. 69. 2015.
Rathbun, K. and Peate, U., Modeling ejecta distribution and modification at Monturaqui Crater, Chile; a multi-source application of ArcGIS (abstract). 46th Lunar and Planetary Science in Conference, abstract no. 2778. 2015.
Rissmann, C., Leybourne, M.I., Benn, C., and Christenson, B. The origin of solutes within the ground waters of a high Andean aquifer. Chemical Geology, vol.396, pp.164. 2015. 
Sanchez, J., Cassidy, W. A., A previously undescribed meteorite crater in Chile. Journal of Geophysical Research, v. 71, pp. 4891-4895. 1966.
Ugalde, H., Valenzuela, M., and Milkereit, B. An integrated geophysical and geological study of the Monturaqui impact crater, Chile. Meteoritics & Planetary Science, vol.42, pp.2153-2163. 2007.
Ukstins Peate, I., Van Soest, M.C., Wartho, J.A., and Anonymous.  A novel application of (U-Th)/He geochronology to constrain the age of small, young meteorite impact craters; a case study of Monturaqui Crater, Chile. Mineralogical Magazine, vol.75, pp.2047. 2011.
Valenzuela, M., Rochette, P., Bourles, D.L., Braucher, R., Faestermann, T., Finkel, R.C., Gattacceca, J., Korschinek, G., Merchel, S., Morata, D., Poutivtsev, M., Rugel, G., Suavet, C., and Anonymous. The age of the Monturaqui imapact crater (abstract). Meteoritics & Planetary Science, vol.44, abstract no. 5185. 2009. 


* 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)



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