Serra da Cangalha

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Serra da Cangalha  Brazil  S 8° 5'  W 46° 52'  12  < 300  Y  Y  S  -

1. Aerial view (Image credit: Andrea Bartorelli and Alvaro Crósta)

2. Landsat Image (Riachao in inset)

3. ***

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

5, 6, 7 & 8. Image Provided by Dr. Carlos Roberto de Souza Filho

9. TanDEM-X elevation model of Serra da Cangalha (provided by Manfred Gottwald,German Aerospace Center)


Adepelumi, A. A., Fontes, S.L., Schnegg, P.A., Flexor,J.M., An integrated magnetotelluric and aeromagnetic investigation of the Serra da Cangalha impact crater, Brazil, Physics of the Earth and Planetary Interiors, v. 150 , n. 1 , p. 159-182. 2005.
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.
Cockell, C. S., Lee, P., The Biology of Impact Craters - a review. Biol. Rev., 77, P. 279 - 310. 2002.
Crosta, A. P. 2004. Impact Craters in Brazil: How Far We've Got. Meteoritics & Planetary Science, vol. 39, Supplement. Proceedings of the 67th Annual Meeting of the Meteoritical Society, August 2-6, 2004, Rio de Janeiro, Brazil, abstract #5049.
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.
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.
Dietz, R. S., McHone, J. F., Volcanic landforms and astroblemes. In: El-Baz, F. and Warner, D.M., eds., NASA, Scientific and Technical Information Branch, pp. 183-202. 1979.
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.
Kenkmann, T., Vasconcelos, M., Crosta, A.P. and Reimold, W.U., Serra da Cangalha, Tochantins, Brazil: Insights to the Structure of a Complex Impact Crater with an overturned central uplift, Lunar and Planetary Science Conference XXXXI, abstract #1237. 2010.
Kenkmann, T., Vasconcelos, M.A.R., Crósta, A.P., Reimold, W.U. 2011. The complex impact structure Serra da Cangalha, Tocantins State, Brazil. Meteoritics & Planetary Science, v. 46, n. 6, pp. 875-889(DOI: 10.1111/j.1945-5100.2011.01199.x).
Lyndon B., Apollo-Soyuz Test Project, 1979.
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.
McHone J F., Dietz, R. S., Earth's multiple impact craters and astroblemes (abstract). Lunar and Planetary Science, v. XXIII, pp. 887-888. 1992.
McHone, J. F. Jr., Dietz, R. S., Astroblemes in Brazil (abstract). Geological Society of America, v. 10, pp. 136-137. 1978.
McHone, J. F. Jr., Riachao Ring, Brazil: A possible meteorite crater discovered by the Apollo astronauts. National Aeronautics and Space Administration (NASA) Special Publication SP-412, pp. 193-202. 1979.
Reimold, W. U., Cooper, G. R. J. , Romano, R. , Cowan, D. R. and Koeberl, C., Investigation of Shuttle Radar Topography Mission data of the possible impact structure at Serra da Cangalha, Brazil, Meteoritics & Planetary Science, Vol. 41, No. 2, P. 237 - 246. 2006.
Reimold, W. U., Cooper, G.R.J., Romano, R., Koeberl,C., A SRTM Investigation of Serra Da Cangalha Impact Structure, Brazil. Lunar and Planetary Science XXXV. 2004.
Romano, R., Crosta, A. P., Brazilian Impact Craters: A Review, Lunar and Planetary Science Conference XXXV, abstract #1546. 2004.
Vasconcelos, M.A.R., Goes, A.M., Crosta, Ap.P., Kenkman, T. and Reimold, W.U., Serra da Cangalha impact structure, Parnaiba Basin, northeast Brazil: Target characterization and stratigraphic estimates of uplift, Lunar and Planetary Science Conference XXXXI, abstract #1868. 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)