Adjective:

எரிமலையால் ஏற்ப்பட்ட, எரிமலைப் போன்ற,

volcanic's Usage Examples:

Several quiescent volcanic peaks, reaching 5700 ft.

Another group of islands consists of elevated masses of submarine volcanic deposits, upon some of which coral-reef limestone forms a more or less complete covering; such are Tonumeia and the Nomuka group (Mango, Tonua, Nomuka-iki).

The term lava is applied by geologists to all matter of volcanic origin, which is, or has been, in a molten state.

At the beginning of the Christian era, and for many previous centuries, no eruption had been known to take place from the mountain, and the volcanic nature of the locality was perhaps not even suspected by the inhabitants who planted their vineyards along its fertile slopes, and built their numerous villages and towns around its base.

The mineral products of the district also include lignite, copper, manganese, vitriol, lime, gypsum, volcanic stones (used for millstones) and slates.

The Lemnian version is due to the prominence of his cult at Lemnos in very early times; and his fall into the sea may have been suggested by volcanic activity in Mediterranean islands, as at Lipara, and Thera.

The central Cevennes, comprising the volcanic chain of Vivarais, incline south-east and extend as far as the Lozere group.

The lava is emitted from the volcanic vent at a high temperature, but on exposure to the air it rapidly consolidates superficially, forming a crust which in many cases is soon broken up by the continued flow of the subjacent liquid lava, so that the surface becomes rugged with clinkers.

Close to Kara Dag the soils are derived from the volcanic massif.

It is in association with this field of extinct volcanic activity that a remarkable group of geysers and hot springs has been developed, from which the Yellowstone river, a branch of the Missouri, flows northeastward, and the Snake river, a branch of the Columbia, flows south-westward.

In 1883 Sunda Strait was the scene of the most terrific results of the eruption of Krakatoa, a volcanic island further west in the strait.

Dr Rink of the former found no trace of true volcanic rocks, though the chain as a whole is known for its volcanic activity, but features were not wanting to indicate considerable upheavals in the most recent periods.

Synonyms:

extrusive,

Antonyms:

steady, intrusive,