scoriae

There are also calderas, scoriae cones, lava streams, cinder fields, over 160 thermal and mineral springs, geysers, solfataras, mud pots and many other volcanic features.

Volcanoes of Kamchatka, Russian Federation 2008

It has a variety of features: several lateral craters, shield volcanoes, scoriae and lava cones, extrusive domes and huge detached rocks.

Volcanoes of Kamchatka, Russian Federation 2008

“Material objects,” said a French philosopher, “are necessarily kinds of scoriae of the substantial thoughts of the Creator, which must always preserve an exact relation to their first origin; in other words, visible nature must have a spiritual and moral side.”

Nature 2006

Pillars of smoke and flame escaped from the crater; a hail of scoriae fell on the ground; but no current of lava burst from the mouth of the volcano, which proved that the volcanic matter had not yet attained the level of the superior orifice of the central shaft.

The Mysterious Island 2005

So much smoke, and possibly scoriae and cinders were mingled with them, that their light gleamed but faintly amid the gloom of the night.

The Mysterious Island 2005

So much smoke, and possibly scoriae and cinders were mingled with them, that their light gleamed but faintly amid the gloom of the night.

The Mysterious Island 2005

Pillars of smoke and flame escaped from the crater; a hail of scoriae fell on the ground; but no current of lava burst from the mouth of the volcano, which proved that the volcanic matter had not yet attained the level of the superior orifice of the central shaft.

The Mysterious Island 2005

There was light pumice everywhere, but nothing like recent lava or scoriae.

Unbeaten Tracks in Japan Isabella Lucy 2004

This area of tufa cones, dark and grey basalt, clinkers, scoriae, fine ash, and ferruginous basalt, is something gigantic.

The Hawaiian Archipelago Isabella Lucy 2004

Horrid streams of a-a have to be cautiously skirted, which after rushing remorselessly over the kindlier lava have heaped rugged pinnacles of brown scoriae into impassable walls.

The Hawaiian Archipelago Isabella Lucy 2004