Bulletin Volcanologique

, Volume 40, Issue 3, pp 201–208 | Cite as

Qal’eh hasan ali maars, central Iran

  • D. J. Milton


A group of craters 120 km southeast of Kerman, the largest 1200 m across and 300 m deep, are typical maars, excavated depression with rims of bedded pyroclastic debris. Most of the crater rims are composed entirely of country rock clasts, but the largest crater yields tephrite, composed of phenocrysts of phlogopite, clinopyroxene, and olivine in a groundmass of anorthoclase, analcime, hauyne, clinopyroxene and magnetite, and a cumulate of phlogopite and clinopyroxene with highly potassic glass. The occurrence of hauyne as a ground mass mineral is a rare or unique feature. The maar field lies in the projection to the south of the Nayband fault and, with some flows near that fault, represents a province of Quaternary alkali basalt volcanism.


Travertine Juvenile Material Accretionary Lapillus Quaternary Volcano Ground Mass Mineral 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. Conrad, G., Conrad, J. andGirod, M., 1970,Données sur le volcanisme tertiare et quaternaire affectant le bloc du Lout et les monts de Kerman (Iran oriental). C. R. Somm. Soc. Geol. France,271, p. 196–198.Google Scholar
  2. Coombs, D. S. andWhetten, J. T., 1967,Compositions of Analcime from Sedimentary and Burial Metamorphic Rocks. Geol. Soc. Amer. Bull.,78, p. 269–282.CrossRefGoogle Scholar
  3. Crawford, A. R., 1972,Iran, Continental Drift and Plate Tectonics, 24th Int’l. Geol. Congr. Montreal, section 3, p. 106–112.Google Scholar
  4. Förster, H., Fesefeldt, K. andKürsten, M., 1972,Magmatic and Orogenic Evolution of the Central Iranian Volcanic Belt. 24th Int’l. Geol. Cong., Montreal, section 2, p. 198–210.Google Scholar
  5. Gansser, A., 1971,The Taftan Volcano (SE Iran). Eclog. Geol. Helv.,64, p. 319–334.Google Scholar
  6. Gojković, S. E., 1972,Qal’eh Hasan Ali Impact Craters Area, South-central Iran. Geol. Surv. Iran internal note.Google Scholar
  7. Hieke Merlin, O., 1964,Le vulcaniti del settore nord-orientale del Monte Vulture (Lucania). Mem. Ist. Geol. Mineral. Univ. Padova,24, 74 pp.Google Scholar
  8. Katsura, Takashashi andNagashima, S., 1974,Solubility of Sulfur in Some Magmas at 1 Atmosphere. Geochim. Cosmochim. Acta,38, p. 517–531.CrossRefGoogle Scholar
  9. Kaibullin, I. Kh. andBorisov, N. M., 1966,(Experimental investigations of the thermal properties of aqueous and gaseous solutions of sodium and potassium chloride in the presence of a vapor phase). Akad. Nauk SSSR, Teplofiz. Vysokikh Temperatur,4, p. 518–523.Google Scholar
  10. Kim, K.-T. andBurley, B. J., 1971,Phase Equilibria in the System NaAlSiO4-H2O with Special Emphasis on the Stability of Analcite. Can. J. Earth Sci.,8, p. 311–337.Google Scholar
  11. Lorenz, V., 1974,On the Formation of Maars. Bull. Volcanol.,37, p. 183–204.CrossRefGoogle Scholar
  12. Mohajer-Ashjai, A., Behzadi, H. andBerberian, M., 1975,Reflections on the Rigidity of the Lut Block and Recent Crustal Deformation in Eastern Iran. Tectonophysics,25, p. 281–301.CrossRefGoogle Scholar
  13. Peters, Tj., Luth, W. C. andTuttle, O. F., 1966,The Melting of Analcite Solid Solutions in the System NaAlSiO4NaAlSi3O5H2O. Amer. Mineral.,51, 736–753.Google Scholar
  14. Shapiro, L., 1967,Rapid Analysis of Rocks and Minerals by a Single Solution Method. U.S. Geol. Survey Prof. Pap.,575B, p. 187–191.Google Scholar
  15. Sourirajan, S. andKennedy, G. C., 1962,The System H2O-NaCl at Elevated Temperatures and Pressures. Am. J. Sci,260, p. 115–41.CrossRefGoogle Scholar
  16. Stormer, J. C., Jr. andCarmichael, I.S.E., 1971,The Free Energy of Sodalite and the Behavior of Chloride, Fluoride and Sulfate in Silicate Magmas. Am. Mineral.,56, p. 292–306.Google Scholar
  17. Taylor, D., 1967,The Sodalite Group of Minerals. Cont. Mineral. and Petrol.,16, p. 172–188.CrossRefGoogle Scholar
  18. Van Peteghem, J. K. andBurley, B. J., 1962,Studies in the Sodalite Group of Minerals. Trans. Roy. Soc. Canada,51, ser. III, p. 37–53.Google Scholar
  19. Wellman, T. R., 1970,The Stability of Sodalite in a Synthetic Syenite plus Aqueous Chloride Fluid System. Jour. Petrol.,11, p. 49–71.Google Scholar

Copyright information

© Stabilimento Tipografico Francesco Giannini & Figli 1977

Authors and Affiliations

  • D. J. Milton
    • 1
  1. 1.U.S. Geological SurveyReston

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