Contatto
Come acquistare
Consegna
Guida all'acquisto
Abu Khruq and El Kahfa alkaline ring complexes
Petrogenesis, Petrology, and Geochemistry study
Inglese
106 b
Fino a 30 giorni per il reso
I clienti hanno acquistato anche
Abu Khruq and El Kahfa ring complexes are the youngest alkaline ring complexes in Egypt, characterized by the coexistence of rocks, with plutonic and volcanic textures. Their formation started by the development of a volcanic cone composed of lavas (trachytic and rhyolitic) this followed by the intrusion of gabbroic lapolith. Differentiation, accompanied by some assimilation, probably produced intermediate syenitic rocks. Cauldron subsidence would take place only if there was a large volcanic cone. On entering the brittle zone of the upper crust diapiric movement would have been retard which led to a slow buildup of fluid pressure and caused tension fractures focused on the arrested diapirs-break through to the surface. The formation of the ring intrusion and that of most of the ring dykes is related to the cauldron subsidence and the passive infilling of the released space with magma.
Informazioni sul libro
Inglese
Regala questo libro oggi stesso
È facile
1 Aggiungi il libro al carrello e scegli la consegna come regalo 2 Ti invieremo subito il buono 3 Il libro arriverà all'indirizzo del destinatarioPotrebbe interessarti anche
Ciao! Sono Libroamiko, il tuo consulente di libri.
Come posso aiutarti?