GeoLog

Geochemistry, Mineralogy, Petrology & Volcanology

Imaggeo on Mondays: Fresh breakout in the lava fields

Kate Dobson was a volunteer at the Hawaii Volcano Observatory (HVO) in 2001/02 and revisited the stunning Big Island in 2006. During her holidays Kate ventured out to the coastal section of the Pu’uO’o lava flow field and captured this spectacular image of a fresh lava breakout. The Pu‘u ‘Ō‘ō vent is in the East Rift Zone of Kīlauea Volcano and began erupting on January 3, 1983, and has continued ...[Read More]

GeoCinema Online: What a difference technology can make.

Advances in technology mean research that was unthinkable some years ago is now possible. For instance, geographically remote areas which were once out of reach have become more accessible through better (not always easier) transportation, so what we understand by ‘remote areas’ has changed significantly over time. The films in this edition of GeoCinema online are fascinating because they showcase ...[Read More]

Imaggeo on Mondays: A mysterious shrinking lake

From this week’s Imaggeo on Mondays image it’s easy to see why Iceland is the setting of so many books, films and TV shows, inspiring and inciting writers and film crews alike. The picture was taken on the shores of Lake Kleifarvatn, in Reykjanes peninsula, approximately 30 km to the west of the country’s capital, Reykjavík. “The Reykjanes peninsula is unique because it marks theboundary between t ...[Read More]

The known unknowns – the outstanding 49 questions in Earth sciences (Part III)

We continue exploring the biggest conundrums in Earth sciences in this third post of the known unknowns. In the two previous instalments of the series we’ve discovered what the major questions still to be answered about the early days of planet Earth and its inner workings are. We now move onto the planet’s surface. The advent of plate tectonic theory, arguably one of the biggest advancements in t ...[Read More]