basalt lava

It was formed from a basalt lava dome ten million years ago.

The southern part of the city rests on hardened basalt lava flows.

Much of the island is covered by basalt lava flows and cinder cones.

Basalt lava filled the Skafta valley and reached the sea more than 35 km away.

The walls were built of reinforced concrete with native basalt lava rock veneer.

He is said to have designed it to resemble the basalt lava flows of Iceland's landscape.

Traces of this survive under the basalt lava that is found in parts of the north.

These flood basalt lava flows were erupted during a single event that lasted less than five million years.

The range is the remains of a shield volcano which was built from numerous basalt lava flows about 23-24 million years ago.

A round bubble in appearance, it pops up from a flat wide bed of ancient basalt lava.

If basalt lava sets instantaneously it makes the volcanic glass, obsidian.

The range is a basalt lava dome and is no longer volcanically active.

A half million years ago, basalt lava flows from nearby volcanoes covered the older tuff.

In this mountainous area, the rock varies from basalt lava, gabbro, and granite.

In Brimbank, plains built of these basalt lava flows are the dominant surface geology.

At low tide columnar basalt lava is revealed on the rock and cobble beach.

Also part of the Tweed Volcano's flows are many widespread basalt lavas.

One of the most characteristic features of basalt lavas is that they are often riddled with holes.

Major eruptive pulses of flood basalt lavas are laid down stratigraphically.

Zhokhov Island consists of extrusive basalt lava flows and tuffs.

Reconstructing flood basalt lava flows in three dimensions using terrestrial laser scanning.

The basalt lava flows provide habitat for some of the more diverse reptile fauna in Idaho.

The basalt lavas are related to carbonatite intrusions in the Zambezi valley.