GeoLog

Energy, Resources and the Environment

Imaggeo On Monday: Marble quarry west of Alicante, Spain

August 15, 2022
Imaggeo On Monday: Marble quarry west of Alicante, Spain
Marble quarry west of Alicante, Spain. Credit: Christoph Mayr (distributed via imaggeo.egu.eu)

The largest marble quarry in Europe is located at Monte Coto next to Pinoso in the Spanish Alicante province. Here an Eocene limestone named “Crema Marfil” is exploited on a large scale.   Photo by Christoph Mayr, as described on imaggeo.egu.eu.   Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) can submit their photographs ...[Read More]

This World Biofuel Day, we look to the future with optimism

August 10, 2022
This World Biofuel Day, we look to the future with optimism
Credit: Gabriel Sigmund (from imaggeo.egu.eu)

Fossil fuels have dominated the global energy market for centuries, and so most people find it surprising to learn that the first ever diesel engine (1892) was run entirely on peanut oil. German engineer Sir Rudolf Diesel who built the engine was almost prophetic when he said the use of vegetable oils for engine fuels “may seem insignificant today, but such oils may become in course of time as imp ...[Read More]

Imaggeo On Monday: Works of art – works of muck

August 8, 2022
Imaggeo On Monday: Works of art – works of muck
Works of art - works of muck. Credit: Irene Marzolff (distributed via imaggeo.egu.eu)

Dung cakes made from buffalo manure are artfully piled up in a village in Madhya Pradesh. Used as fuel for cooking fires, they are a sustainable energy source in rural areas of India, but add to air pollution by biomass burning.   Photo by Irene Marzolff, as described on imaggeo.egu.eu.   Imaggeo is the EGU’s online open access geosciences image repository. All geoscientists (and others) ...[Read More]

Imaggeo On Monday: Beech leaves on burned ground

August 1, 2022
Imaggeo On Monday: Beech leaves on burned ground
Beech leaves don't burn. Credit: Gabriel Sigmund (distributed via imaggeo.egu.eu)

A charred pine cone lies on the ground of a mixed beech-pine forest following a forest fire in the Rax-Schneeberg region of Austria in 2021. The charred pine cone and litter are surrounded by unburned yellow beech leaves that fell to the ground after the surface fire. Pyrogenic carbon such as the charred pine cone can remain stable in the environment for extended periods of time and can affect bio ...[Read More]