GeoLog

Tectonics and Structural Geology

MinCup: Elevating humble minerals to new heights

December 27, 2017
MinCup: Elevating humble minerals to new heights
Olivine – the winner of #MinCup 2017. Credit: Hazel Gibson.

Throughout October and November, the world of (Earth science) Twitter was taken by storm: Day after day, Eddie Dempsey (a lecturer at the University of Hull, and @Tectonictweets for those of you more familair with his Twitter handle) pitted minerals against each other, in a knock out style popular contest. The aim? To see which mineral would eventually be crowned the best of 2017. Who knew fiery ( ...[Read More]

Imaggeo on Mondays: Smoking mountain top

December 18, 2017
Imaggeo on Mondays: Smoking mountain top
Smoking mountain top . Credit: Daniela Domeisen (distributed via imaggeo.egu.eu)

Japan’s northernmost, second largest and least developed island, Hokkaido, is famous for its unspoilt nature. Harsh, cold and snowy winters make way for pleasant summers, which allow tourists and locals to enjoy a variety of outdoor activities, year-round, in the island’s six protected areas. The largest of the natural parks is Daisetsuzan: known for it’s wilderness and volcanoes. It is formed by ...[Read More]

Imaggeo on Mondays: Angular unconformity

November 27, 2017
Imaggeo on Mondays: Angular unconformity
Angular unconformity. Credit: Daniele Penna (distributed via imaggeo.egu.eu)

It is not unusual to observe abrupt contacts between two, seemingly, contiguous rock layers, such as the one featured in today’s featured image. This type of contact is called an unconformity and marks two very distinct times periods, where the rocks formed under very different conditions. Telheiro Beach is located at the western tip of the Algarve; Portugal’s southernmost mainland region and the ...[Read More]