Provinces in Italy

The strong regionality for major, trace element and isotopic compositions of Italian Plio-Quatemary volcanism allows subdivision into several com-positionally different magmatic provinces. For the purpose of this review, a magmatic province is defined as a relatively restricted zone within 

This is part of the belt of potassic and ultrapotassic rocks running from northern Latium to the Neapolitan area, which was defined as the Roman Comagmatic Region by Washington (1906). The Roman Province (or 

Latium Province) defined here only includes Vulsini, Vico, Sabatini and Colli Albani volcanoes. Potassic rocks (KS) basically consist of trachyba-salts, latites and trachytes ultrapotassic rocks (HKS) are represented by 

This province is characterised by the close association of KS and HKS rocks, showing diverse geochemical and isotopic signatures. Some low-potassium mafic rocks falling in the calc-alkaline compositional field have been also found. Potassic rocks display ratios of some incompatible trace elements such as Ba/La, and radiogenic isotope signatures that are close to those of the Neapolitan volcanoes (Vesuvio, Campi Flegrei, Ischia). On the contrary, ultrapotassic rocks resemble the Colle Albani and other Roman volcanoes. Therefore, the Ernici-Roccamonfina zone is characterised by the coexistence of Roman-type and Campanian-type rocks. 

This volcano is located east of the southern Apennines and is composed of alkaline rocks that are enriched in both Na20 and K20 (De Fino et al. 1986). Haiiyne is common in these rocks. Vulture is petrologically and 

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Table 1.1. Petrological characteristics and ages of Plio-Quatemary volcanic provinces in Italy. ...

Fig. 1.8. Magmatic provinces in Italy, as identified from major, trace element and isotopic characteristics of mafic rocks. The Ancona-Anzio, Ortona-Roccamonfina, 41° Parallel, Tindari-Letojanni-Malta and the Sangineto tectonic lines are also indicated. Inset distribution of volcanism with orogenic (i.e. high LILE/HFSE ratios) and anorogenic (i.e. low LILE/HFSE ratios) compositions. Arrows indicates migration of orogenic magmatism from Oligocene to present. See text for explanation.

There is a general agreement that the magmatism from the internal zones of Apennines has been generated in anomalous mantle sources, which have been affected by metasomatic enrichment in incompatible elements. However, the nature and timing of mantle metasomatic processes are still debated. This issue has paramount geodynamic implications and applies to all ultrapotassic magmatic provinces in Italy. 

Fig. 10.1. Distribution of magmatic provinces in Italy. Open symbols indicate seamounts. Ages (in Ma) for some volcanoes are given in parentheses.

Fig. 1.1. Distribution, petrochemical affinity and ages of the main Plio-Quatemary magmatic centres in Italy. Location of the Eocene igneous body of Pietre Nere (Apulia) and of the Oligocene to Miocene magmatic provinces of Sardinia, Western Alps and Veneto is also indicated. Open symbols refer to outcrops below the sea level.

Fig. 7.17.206Pb/204Pb vs. 87Sr/86Sr for the Aeolian arc and other volcanic provinces in central and southern Italy. Composition of HIMU, DMM and EMI mantle reservoirs is also show. 

Stoppa F, Woolley AR (1997) The Italian carbonatites field occurrence, petrology and regional significance. Mineral Petrol 59 43-67 Stoppa F, Wooley AR, Cundari A (2002) Extension of the melilite-carbonatite province in the Apennines of Italy the kamafugite of Grotta del Cervo. Mineral Mag 66 555-574... 

The lowest arc-related He/" He ratio (0.01 Ra) is found at the transition between the east Sunda and Banda arcs in Indonesia (Hilton et al. 1992). Other arc segments with low He/" He ratios (<1 Ra) are the Chilean Andes (Hilton et al. 1993a), Colombia (Williams et al. 1987) and the Campanian Magmatic Province of Italy (Graham et al. 1993). Therefore, in a relatively small number of samples from these localities, radiogenic helium (with He/" He ratios -0.05 Ra see Andrews 1985) dominates over any magmatic helium input. 

In addition to the majority of arcs with predominantly mantle-derived helium, there are 3 segments which stand out as emitting helium with He/" He values consistently lower than the MORE range the east Sunda/Banda arc of eastern Indonesia, the Campanian Magmatic Province of Italy and the Andes—particularly the Chilean segments. These arc systems are clearly unusual, at least in terms of their helium isotope systematics, and merit further comment. 

According to the latest available data, there were 468 organic livestock farms in Italy at the end of 1999. More than 60% of these farms were located in northern Italy. In particular 16% were found in the Province of Trento and 11.8% in Veneto, with an incidence on total organic agricultural farms respectively of 22.2% and 7.4% (Lunati, 2001b). 

Asbestos fibres are extracted from natural deposits in several regions of the world. The best known are in Qnebec province in Canada, near Sverdlovsk in Rnssia, in Cyprus, near Tnrin in Italy, in Zimbabwe and in the Republic of South Africa. The rock containing asbestos is crushed to separate fibres by mechanical methods. 

During these same years the Latin provinces of the Late Roman Empire did not experience the same population boom nor the same expansion of urban populations. In the largely rural West, people remained in their village communities and were able to depend on extended family and local community networks for assistance. Thus, the Western bishops were less active in founding philanthropic institutions in their sees than were their Eastern brethren. Only in Italy did a few urban communities remain large enough to need specialized welfare institutions. 

DC072 De Feo, V., and F. Senatore. Medicinal plants and phytotherapy in the amalfital coast, Salerno province, Campania, southern Italy. J Ethno-farmacol 1993 39(1) 39—51. 

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