The archiepiscopal sees of the island are: Cagliari (under which are the suffragan sees of Galtelli-Nuoro, Iglesias and Ogliastra), Oristano (with the suffragan see of Ales and Terralba) and Sassari (under which are the suffragan sees of Alghero, Ampurias and Tempio, Bisarchio and Bosa).
Leone to the west of Cagliari, and antimony and other metals near Lanusei, but in smaller quantities than in the Iglesias district, so that comparatively little mining has as yet been done there.
Free sulphur may also result from the decomposition of pyrites, as in pyritic shales and lignites, or from the alteration of galena: thus crystals of sulphur occur, with anglesite, in cavities in galena at Monteponi near Iglesias in Sardinia; whilst the pyrites of Rio Tinto in Spain sometimes yield sulphur on weathering.
A provisional treaty of peace was then drawn up and signed by General Iglesias and the Chilean representative, and this was finally ratified by the Chilean and Peruvian congresses respectively in April 1884.
The former company's lines (of the ordinary gauge) run from Cagliari, past Macomer, to Chilivani (with a branch at Decimomannu for Iglesias and Monteponi).
Sardinia is divided into two provinces - Cagliari and Sassari; the chief towns of the former (with their communal population in 1901) are: Cagliari (53,057); Iglesias (20,874); Quartu S.
General Iglesias was nominated to the office of president of the republic, and in October 1883 a treaty of peace, known as the treaty of Ancon, between Peru and Chile was signed.