andesite , auch: andesyte

Outside the andesite line, volcanism is of the explosive type.

The continental crust has an average composition similar to that of andesite.

The name andesite is derived from the Andes mountain range.

Basalt and andesite are the most common rock types in this region.

This possibly points to a new mechanism to generate andesite crust.

Andesite is different than the rocks found in meteorites that have come from Mars.

In 1928 a pyroxene and andesite mine was opened.

The rock composition in the area is mainly basalt or andesite.

Rock type on the volcano is predominantly basalt and andesite.

Andesite and basalt are the most abundant rocks found on the mountain.

The year 1921 brought the first discovery of one of the andesite tablets.

Below these distinctive rock units the andesite lava flows are seen again.

The level also contains a remarkable block of andesite with relief textures.

Its central peak rises some 710 m above mean sea level, and is formed of andesite.

The mountain is made mainly of andesite and basalt.

Between the two is an area of garnet bearing porphyritic andesite.

Andesite is used for building stone and monuments.

The profile is broad with basaltic andesite type of geological stone.

They mined andesite, which was useful for making agave knives.

The andesite cap is covered by the fourth region, mounded prairie.

Built during the Quaternary period, it is composed of basaltic andesite.

Early analysis of data sent from Sojourner led scientists to speculate that the rock was andesite.

Andesite, a fine-grained rock that is widely distributed in the earth's crust.

The rock is a very compact andesite lava, generally sound, with a reasonable degree of friction.

The main rock type of the volcanoes is andesite and dacite.