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These volcanic islands like some of the high mountains in the north of Madagascar were formed in the Tertiary and Quaternary Eras.
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These formations became exposed when the ocean floor was raised by a major volcanic activity in the Devonian forming much of the east coast of Australia.
These outcroppings are the result of volcanic activity.
These " sister and brother " volcanic mountains are approximately from Mount Rainier, the highest of Cascade volcanoes.
These volcanic rocks are the youngest in the canyon.
These peaks are formed of volcanic rock and covered with loose surface rubble.
These volcanic explosions produce vertical columns of rock that rise from deep magma reservoirs.
These mantle-derived magmas ( which are basaltic in composition ) can continue to rise, ultimately to the Earth's surface, resulting in a volcanic eruption.
These rest on older volcanic rocks 15-25 million years old with some older granites and fossil-bearing sedimentary rocks from around 100 million years ago.
These effects are believed to be small in comparison to GHG forcing in the long term, but large volcanic eruptions, for example, are known to exert a temporary cooling effect.
These sequences of fluid volcanic rock cover about of the Interior Plateau and have a volume of about, forming a large volcanic plateau constructed atop of the Interior Plateau.
These volcanic islands, known as the Insular Islands by geoscientists, were formed on a pre-existing tectonic plate called the Insular Plate by subduction of the former Farallon Plate to the west during the early Paleozoic era.
These games were originally scheduled to be held in Rome, but were re-located due to volcanic eruption.
These tubes probably were the magma feeding tubes for volcanic flow that would have once overlain the existing rock, but have since been eroded.
These sulfur and halogen gases and metals are removed from the atmosphere by processes of chemical reaction, dry and wet deposition, and by adsorption onto the surface of volcanic ash.
These techniques date metamorphic, igneous and volcanic rocks.
These consist of a large Carboniferous mountain eroded just before the Permian era with gneiss, granites, porphyritic masses or other volcanic intrusions.
These also include the large lake, the Laacher See, a volcanic caldera formed 12000 years ago.
These calderas and associated volcanic structures lie within the Jemez Volcanic Field.
These volcanic islands are located 646 kilometres ( Suva to Ahau ) north of Fiji.
These dark-halo craters are cinder cone-shaped and are believed by some to be volcanic in origin, although others think they were caused by impacts that excavated darker mare material from underneath the lighter lunar regolith.
These paths show a variety of volcanic activity such as conic depressions, lava tubes and fields, as well as a spatter cone at the northern end of Spatter Cone Loop Trail.
These were once volcanic islands, much like Mauritius and Réunion, which have now sunk or eroded to below sea level or, in the case of the Cargados Carajos, to low coral islands.
These mountains, which are at the extreme southeast end of the East Hesse Highlands ( Osthessisches Bergland ), are partly a result of ancient volcanic activity.
These Kuppen are the remnants of former volcanos or volcanic activity.
These and islands
* Aran Islands: These islands off the west coast of Ireland, ( not to be confused with the Isle of Arran in Scotland's Firth of Clyde ), were unsuitable for arable farming because they were too rocky.
These beliefs have persisted despite ( and have been influenced by ) the introduction of Islam and Catholicism to the islands in the 13th and 16th centuries, respectively.
These islands are now under Serbian police control.
These include introductions to Florida and to the islands of Hawaii, as well as largely unsuccessful introductions to Louisiana.
These events were nearly the cause of a war between Britain and Spain, both countries having sent armed fleets to contest sovereignty of the strategically important islands.
These restrictions effectively give the British Government the ability to prevent the island's government from declaring the islands to be a tax haven or from establishing a central bank.
These forest-covered and bare bedrock islands were, and continue to be, formed by the process of uplift following the last glaciation.
These fled to three small islands which could be seen off shore and named them the Iles de Salut ( or " Islands of Salvation ").
These sailors also introduced rats onto the islands.
These islands have a long history of occupation dating back to the Mesolithic and the culture of the residents has been affected by the successive influences of Celtic, Norse and English-speaking peoples.
These islands arise from volcanoes where the subduction of one plate under another is occurring.
These ships generally provide the least expensive way to cover long distances between islands.
These two islands are separated by the Sunda Strait, which is located at a bend in the axis of the island arc.
These stupas and other archaeological remains, like foundations of Buddhist buildings Vihara, compound walls and stone baths, are found on many islands of the Maldives.
These islands, named by him " Los Pintados ," may have been Ujelang.
These islands, " Los Jardines ," could be Eniwetok or Bikini Atoll.
These islands have all been inhabited at one time or another.
These islands became known as German Samoa.
These are commonly grouped into four types: the Meseta Central and associated mountains, other mountainous regions, lowland regions, and islands.
These islands are the northern outpost of the Caledonian orogeny and there are outcrops of Lewisian, Dalriadan and Moine metamorphic rocks with similar histories to their equivalents on the Scottish mainland.
These islands are however not part of the Taiwanese archipelago.
These facts made it impractical to use Preece's system on either ships, boats, or ordinary islands ( ones much smaller than Great Britain or Greenland ), and the relatively short distances that a practical Preece system could span meant that it had few advantages over underwater telegraph cables.
These conditions included the return of the sugar islands ( but Britain retained Dominica ); trading stations in West Africa ( won by Boscawen ); Pondicherry, ( France's Indian colony ); and fishing rights in Newfoundland.
These beaver likely swam from the mainland and could have recolonized the islands.
These isolated ecological systems, or microclimates, are known as sky islands.
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