1. Feldman V.I. (1987) "The catalog of astroblems and meteorite craters of the Earth." Meteoritika. Issue 46, p. 154-171 (in Russian)
  2. Alekseev A.S., etc. (1991) An estimation of the Earth's cosmic bomblet frequency, research into a possibility of their preliminary detection and change of trajectories // Report of SB AS USSR, Computer Center, Novosibirsk, 128p. (in Russian)
  3. Ernstson K., Hammann W., Fiebag J., Graup G. (1985). Evidence of an impact origin for the Azuara structure (Spain). Earth. and Planet. Sci. Lett., Vol.74, No.4, P. 361-370
  4. Ernstson K., Feld H., Fiebag J. (1987). Impact hypothesis for the Azuara structure (Spain) strengthened . Meteoritics , Vol.22, No.4, P. 373
  5. Grieve R.A.F. (1987). Terrestrial impact structures. Ann.Rev.Earth Planet.Sci., Vol.15, p. 245-270
  6. Ernstson K., Claudin F. (1989). Pelarda formation (Eastern Iberian chains, Ne Spain) - continuous deposit of the Azuara impact structure. Meteoritics, Houston (Tex.), Vol.24, No.4, P.53, P.264
  7. Ernstson Kord, Claudin Fernando (1990). Pelarda formation (Eastern Iberian Chains, NE Spain): Ejecta of the Azuara impact structure . Neues jahrb. Geol. und Palaontol. Monatsh., No.10, P. 581-599
  8. Hodge, Paul W., (1994). Meteorite craters and impact structures of the Earth. Cambridge University Press , 122 pp.
  9. Langenhorst F., Deutsch A. (1996). The Azuara and Rubielos strictures, Spain: Twin impact craters of Alpine thrust systems? TEM investigation on deformed quartz disprove shock origin. Lunar and Planet. Sci. , Vol.27, P. 725-726
  10. Sanchez Cela V. (1997). La estructura circular de Azuara (Zaragoza). Origen endogeno versus impacto. Bol. geol. y minero, Vol.108, No.2, P. 121-128
  11. Jarmo Moilanen (2004). References.
  12. D. Rajmon (2009).
A Ries impact structure analog.

Foto from Google Earth.

Provisional Bouguer anomalies. Counter interval 1 mgal. see

Geologic excerpt map (from ITGE 1991) showing most part of the Azuara impact structure and the geologic units involved in the model for the Daroca thrust. Unit 7 is composed of non-differentiated units 5 and 6. (cm.)

The negative gravity anomaly (obtained by data SANDWELL AND SMITH: GLOBAL MARINE GRAVITY, and means by ENDDB-system).

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