1.   It consisted of a cruciform church whose stone was hewn from hardened lava.

2.   Could Goma possibly exist with a lake of hardened lava covering a third of the city, drowning much of its business district and thousands of its homes?

3.   Park yourself on a hardened old lava ledge and prepare to gape.

4.   The waters scoured off the soft, windblown soil near the surface and eventually reached bedrock, the hardened lava of the Columbia Plateau.

5.   Back in Goma, residents scoured the hardened lava slabs for scorched sheets of corrugated iron for roofs for makeshift dwellings.

6.   At least eight sand miners were killed Thursday when a flood washed tons of hardened lava down the slopes of the Mount Kelud volcano.

7.   The terrain of hardened lava made it difficult to build badly needed latrines.

8.   The view from the helicopter showed a barren landscape, with hardened lava lining the sides of the volcanos and covering most of the ground.

9.   When archaeologists unearthed the great Grecian city of Pompeii, buried under layers of hardened lava, fossilised pulses were brought out amongst the many artefacts unearthed.