Vol. 35 No. 3 (196) (2001)

Geology

• THE ROLE OF THE TRANSVERSE TECTONIC STRUCTURES OF THE TERRITORY OF THE REPUBLIC OF ARMENIA IN SEISMIC HAZARD ASSESSMENT

  H. H. Sargsian, A. S. Avanessian, M. A. Avanessian

  134-142

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  DOI: https://doi.org/10.46991/PYSUC.2001.35.3.134

• THE FUMAROLE-SULFATE ORIGIN OPALITES AS A MINE-DEPOSITE OF NEW TYPE AND A HIGH TECHNOLOGICAL BASE FOR SILICATE PRODUCTION

  H. P. Guyumjyan

  143-148

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  DOI: https://doi.org/10.46991/PYSUC.2001.35.3.143