GeoLog

Geochemistry, Mineralogy, Petrology & Volcanology

Imaggeo on Mondays: Setting trees aflame to understand the carbon balance of fires

Imaggeo on Mondays: Setting trees aflame to understand the carbon balance of fires

Smoke clears after an experimental wildfire in Australian eucalyptus forest carried out for carbon balance estimations of wildfires. We meticulously measured the carbon in all leaves, twigs, logs and bark in a forest block about 35km east of Manjimup and then they set it on fire with help from the Dept. of Parks and Wildlife, [Western Australia]. We the counted the carbon all over again including ...[Read More]

Imaggeo on Mondays: Mount Bromo – volcanic deity

Imaggeo on Mondays: Mount Bromo – volcanic deity

Featured in this photo, rising out from a sea of violet fog at dawn, is one of Indonesia’s most iconic volcanoes, Mount Bromo. The mountain is a large volcanic crater, also known as a caldera, which formed when an ancient cone volcano collapsed in the late Pleistocene and early Holocene epochs, between 126,000 and 8,300 years ago. The current structure stands at 2,392 metres in the eastern region ...[Read More]

Imaggeo on Mondays: Civita di Bagnoregio – the dying town

Imaggeo on Mondays: Civita di Bagnoregio – the dying town

On top of a steep cliff standing out from the surrounding countryside, lies the small town of Civita di Bagnoregio, one of the most famous villages of Italy. It is often called the dying town, although more recently people have started to refer to it as fighting to live. What this little town is fighting against is the threat of erosion, as its walls are slowly crumbling down. Located in central I ...[Read More]

Imaggeo on Mondays: The colourful sinkhole clusters at Ghor Al-Haditha

Imaggeo on Mondays: The colourful sinkhole clusters at Ghor Al-Haditha

Sinkholes that form on the Dead Sea shore at Ghor Al-Haditha, Jordan, often occur in clusters, with many holes packed into a small area. However the visual appearance of neighbouring sinkholes can vary significantly. Mineral precipitation in the foremost sinkhole in this picture, which has no fresh water supply, gives it a garish pink-orange colouration. The larger hole behind has a groundwater-de ...[Read More]