The carbonate deposits exhibit three distinct stages, each characterized by different sedimentary features. Igneous rocks observed in thin sections can be classified into three types of volcanic ...

Volcanic rocks include felsic lapilli tuffs, pillowed basalts, andesites, and komatiite flows. Several banded iron formations are layered within the pillow basalt and likely represent ancient seafloor ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

New data is challenging what scientists previously knew about one of the youngest geological features on the Red Planet. That feature is Athabasca Valles, a system of valleys carved into volcanic ...

A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts. Hundreds of small earthquakes have ...

The earthquakes have also sparked fears of volcanic eruptions because they are happening near two active volcanoes, Fentale and Dofen. The Conversation Africa asked volcano researcher Amdemichael ...

Kilauea volcano began erupting and shooting lava into the air once again Tuesday on the Big Island of Hawaii. The latest release of molten rock began 10:16 a.m. with lava flowing on to the floor ...

Kilauea volcano on Hawaii's Big Island began erupting this week for the ninth time since December, shooting lava over 300 feet into the air. One of the world's most active volcanoes, Kilauea ...

Sep. 30, 2024 — The Hunga Tonga underwater volcano was one of the largest volcanic eruptions in history, and now, two years later, new research has revealed its main ... Extinct Volcanoes a ...

The volcano has been periodically erupting over the past month. One of the world’s most active volcanoes, located in Kilauea, Hawaii, erupted for the seventh time since December, according to ...

Hear from volcanologists about these stunning geological phenomena and the thrill of working in volcanic landscapes ...