Farther east the sea was interrupted by the still existing land-connexion between Tasmania and Victoria; but beyond it, the marine deposits are found again, fringing the coasts of eastern Gippsland and Croajingolong.
Here the broad distinction has been drawn between volcanic and coral islands; but this requires amplification, both because the coral islands follow more than one type, and because the work of corals is in many cases associated with the volcanic islands in the form of fringing or barrier reefs.
The Wami and Kingani, smaller streams, have their origin in the mountainous region fringing the central plateau, and reach the ocean opposite the island of Zanzibar.
The fringing islands which encircle the islands, especially on the north and west, leave a few deep passages wide enough to admit the largest vessels.
The numerous invasions p g have naturally introduced a certain amount of foreign blood among the tribes fringing the Mediterranean, but those farther inland have preserved their racial purity to a surprising degree.
Gold-dust is found in almost all the alpine regions fringing the great plateau.
Others, especially the hill tribes of the Basque and Asturian mountains fringing the north coast, were still unquiet under Augustus, and we find a large Roman garrison maintained throughbut the empire at Leon (Legio) to overawe these tribes.
Barrier and fringing reefs, as well as atolls, occur in the group, but the channels between the islands are dangerous chiefly from the strong currents which set through them.
The four fringing seas of eastern Asia, those of Bering, Okhotsk, Japan and East China, are arranged parallel to the main lines of dislocation in the neighbouring land-masses, and so are the Andaman Sea and the Gulf of California.
The coral reefs fringing the coast are here broken by a straight channel with deep water giving access to the harbour, which consists of a series of natural channels and basins.