EXAMPLE SENTENCES FROM THE WEB
The country for five to ten miles to the east of our track appeared open and grassy, basalt being the prevailing rock.
The well-rounded pebbles of porphyry were mingled with many immense angular fragments of basalt and of primary rocks.
Seven specimens were of basalt and one each of chert and porphyry.
Tippenhauer describes extensive eruptions of basalt of Post-pliocene age.
The old man stood like an image, and the aged woman sat in her chair like a figure in basalt.
The heights to the westward were all composed of basalt, whilst those to the eastward were sandstone.
Basalt, bas-awlt′, n. a hard, dark-coloured rock of igneous origin.
The larger island has coral rock to a height of three or four hundred feet, while above is lava and basalt.
Sometimes they are articulated like the pillars of basalt, and separated at some distance by the intervening quartz.
Was it cliff of basalt, or was it reedy swamp, that was to receive us.