Nature Terrain shapes and bedrock According to COUNTRYAAH, the Vanuatu archipelago and the deep-sea tomb The New Hebrides tomb west of the islands originated in the collision between two large oceanic crustal plates. This has provided a geological environment with earthquakes,...
Vanuatu consists partly of islands of volcanic origin and partly of coral islands. The islands often have a rugged inland with relatively high coral plateaus. They are located in a geologically unstable zone and are frequently exposed to earthquakes. Several of...
Nature Terrain shapes and bedrock According to COUNTRYAAH, Tonga encompasses about 170 islands, most in two rows in the north-north-south-west, parallel to the Tongagraven further east. The islands form the peaks of volcanoes and are higher in the western line due...
Nature Terrain shapes and bedrock According to COUNTRYAAH, the individual islands lie in two parallel rows in the northwest – southeast direction. They form part of a larger volcanic arch extending from the east of New Guinea to Vanuatu. The highest...
Nature Terrain shapes and bedrock According to COUNTRYAAH, the islands of Samoa are of volcanic origin and are built up of lava and rough but consist of the lower, coastal parts of coral reefs. The islands are surrounded by coral reefs...
According to COUNTRYAAH, Papua New Guinea encompasses the eastern half of New Guinea. The island is approx. 785 000 km 2 and separated from Australia by the Torres Strait and Lake Arafura. Islands and atolls To the north and northeast of...
Nature According to COUNTRYAAH, Palau’s island world is largely surrounded by an elongated coral reef, and many of the islands are also coral islands. However, the largest island, Babelthuap, has bedrock formed by volcanism and reaches up to more than 200...
Nature Terrain shapes and bedrock According to Abbreviationfinder, New Zealand was originally part of the supercontinent Gondwana, and its oldest rocks are from the upper Precambrian. By continental displacement, a system of arches and deep-sea tombs was formed under carbon. Many...
Nature According to COUNTRYAAH, Nauru is an oval atoll with a central plateau, composed mainly of coral limestone with layers of guano. The plateau, which reaches up to about 65 m above sea level, is very rich in phosphate and is...
Nature Most of the islands are atolls and consist of volcanic rocks deposited with coral lime. They often have a thin fertile soil layer. However, Yap, farthest to the west, is of continental origin and has been formed by folding the...
Nature Geologically, the Marshall Islands have been built from the beginning as volcanoes, which have dropped. At the same rate, the corals have been able to grow upwards. Islands like Bikini can be considered the final stage in the development of...
Nature Terrain shapes and bedrock The islands in the three included island groups are all coral islands, lower than 8 m above sea level, and have been built up on the sides of volcanoes that are sinking. They consist of barrier...
Nature Terrain shapes and bedrock The larger islands in the western part of the archipelago are of volcanic origin, while the approximately 300 small islands, like the approximately 540 islands, are coral reefs. All are grouped on an underwater plateau around...
Nature Terrain shapes and bedrock Low relief and extreme drought leave their mark on most of Australia’s land surface. Less than 6% of the area is above 700 m level, and larger altitude areas are missing, with the exception of a...
According to Countryaah, Australia is the biggest country while Nauru is the smallest one in Oceania. In Australia, the western half is occupied by a flat plateau, 300 m above sea level. in medium height. Over this, mountain areas rise up...