Category: Volcanism

February 28, 2025

Volcanoes and the products of volcanism Volcanoes shape our earth: landscapes, the air we breathe,

July 20, 2024

Prevailing scientific wisdom tells us that volcanic seamounts and oceanic islands are forged from magma

July 1, 2024

Seamounts and volcanic islands – the foundations for atolls and fringing reefs. A historical interlude

May 25, 2024

Every geological outcrop tells a story. How often do you pass a road-side rock outcrop

April 1, 2022

Pyroclastic surges, are dilute, ground-hugging turbulent flows of hot, juvenile volcanic particles and a fluid

March 18, 2022

I have been under the (mistaken) impression that accretionary aggregates, including accretionary lapilli, are occasional

March 9, 2022

Block and ash flows – a hot pyroclastic flows that transport big chunks of rock

February 21, 2022

Ignimbrite is a rock name. Ignimbrites form primarily from the collapse of eruption columns during

December 3, 2021

This post continues the series on volcanic and volcaniclastic rocks in outcrop, with a brief

June 21, 2020

A look at volcaniclastics – pyroclastic fall deposits in outcrop This is part of the