| | Journal (article/letter/editorial) | silica-undersaturatedrocks from the Roccamonfina complex of the Roman Volcanic Region, Italy, may be partially explained...found in the Roman Volcanic Region, Italy. Several authors have suggestedthat the volcanic seriesin this region...tephritic leucitite; PLT : phonolitic leucite tephrite; TLP : tephritic leucite phonolite; LP : leucite...P(H2O)=P(tot) high-K lavasplottedin termsof the Fig. 2. Roccamonfina systemQ-An-Lc. Field boundariesat P(H,O) : I...ocrcAr- APPLTCATToN citite (TL), phonolitic leucite tephrite (PLT), tephritic leucite The ternary systemQ-An-Ks | | | Journal (article/letter/editorial) | of the potassium-rich rocks of the Roman Volcanic Region, Italy. Differentiation of the phonolitic series...observed may be important in the interpretation of volcanic leucite-bearing rocks (see Petrologic Application)...the leucitebearing rocks of the Roman Volcanic Region of Italy. The potassium-rich, silica-undersaturated...large and complex range of compositions. A general compositional trend recurs in several volcanic centres...the compositions of lavas from the Roccamonfina volcanic complex of the Roman Region, whose normative | | D'Antonio, M., Mariconte, R., Arienzo, I., Mazzeo, F.C., Carandente, A., Perugini, D., Petrelli, M., Corselli, C., Orsi, G., Principato, M.S., Civetta, L. (2016) Combined Sr-Nd isotopic and geochemical fingerprinting as a tool for identifying tephra layers: Application to deep-sea cores from Eastern Mediterranean Sea. Chemical Geology, 443. 121-136 doi:10.1016/j.chemgeo.2016.09.022 | Journal (article/letter/editorial) | II, Largo S. NU Marcellino 10, 80138 Naples, Italy 2 – Istituto Nazionale di Geofisica e Vulcanologia...Vesuviano, Via Diocleziano 328, MA 80124 Naples, Italy 3 – Dipartimento di Fisica e Geologia, University...University of Perugia, Via A. Pascoli, 06123 Perugia, Italy D 4 – Istituto Nazionale di Geofisica e Vulcanologia...di Palermo, Via U. La Malfa 153, 90146 Palermo, Italy TE 5 – Dipartimento di Scienze dell’Ambiente e... AC CE P Piazza della Scienza 4, 20126 Milan, Italy * corresponding author Abstract Tephra layers | | | Book | will appreciate that this problem is extremely complex, particularly since this relationship forms the...produced in the calculation of extremely subsilicic volcanic rocks have recently been briefly discussed by...calculation. The new scheme was originally applied to volcanic rocks only, but was later modified and extended...between the mode and the chemical composition of volcanic rocks. At the request of G. B. EscHER, then president...that the solution of the problem was much more complex than had initially appeared. The results of experimental |
|