This photo provided by the Korea Heritage Service (KHS) on July 15, 2025, shows that the “Rhyolitic Breccia Field at Mosewat, ...

While Guinness World Records officially lists the Djoser Step pyramid in Egypt as the world’s oldest pyramid (around 2,630 BC), one paper published in October claimed a layer of the Gunung Padang ...

Lava is the form of magma that erupts to the surface, such as via a volcano. Here is how hot it is.

While rare in Hawaii, andesite is common in subduction zone volcanoes, such as along South Americaand Alaska.But there is an andesite lava, called hawaiite, that is found only on Mauna Kea and ...

A closer look at basaltic lava, which blankets the Utah golf resort that recently hosted a PGA Tour stop.

Stretching more than 4 miles long and 4,000 feet wide, the picturesque pile of blocky andesite, known as the Parkdale Lava Flow, offers panoramic, backcountry views of snow-capped mountains and ...

What's the difference between lava and magma? What are volcanic vents, dikes, and fissures? In this anatomy of a volcano, explore the basic geological features of a volcano such as Mt. St. Helens ...

The dome (see above and below) had been growing off and on since 1980. Domes like this are created by the slow extrusion of sticky andesite lava. This viscous stuff doesn't flow particularly well, so ...

Since about ~300,000 year ago, the LVC has been in what we call the "Lassen Domefield" phase, where domes of sticky silicic lava (like andesite, dacite and rhyodacite) or cinder cones of runnier ...

You see this is Andesitic Lava. And even though that particular brand makes up only about 10% of all lava, in the lava community this is considered the “famous” lava.

You see this is Andesitic Lava. And even though that particular brand makes up only about 10% of all lava, in the lava community this is considered the “famous” lava.