CONTRIBUTIONS TO THE KNOWLEDGE OF THE LITHOSPHERE STRUCTURE IN ROMANIA ON THE BASIS OF SEISMIC DATA

DUMITRU ENESCU
Centre for Earth Physics and Seismology

CONTRIBUTII LA CUNOASTEREA STRUCTURII LITOSFEREI IN ROMANIA
PE BAZA DATELOR SEISMICE
(Rezumat)

Datele seismice oferite de 98 explozii industriale puternice, inregistrate la 24 statii seismologice (fig. 1), au permis evaluarea vitezelor medii ale undelor P si S in principalele strate ale litosferei in Romania (valorile (1)) si determinarea grosimilor medii ale acestor strate (valorile (2) si (3)). La estimarea grosimii litosferei (valori cuprinse intre 50–60 km si 180–200 km – fig. 5) au fost folosite si date oferite de cutremure de pamant (fig. 2 –4).
Key words: subcrustal lithosphere, Mohorovicic discontinuity, quarry blast, astenosphere, low velocity layer.
Cuvinte cheie: litosfera subcrustala, discontinuitatea Mohorovicic, explozie in cariera, astenosfera, strat de viteze joasa.