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TS Must-read – Buck (1991): Modes of continental lithospheric extension

TS Must-read – Buck (1991): Modes of continental lithospheric extension

Buck (1991) aims at solving the  intense ‘70s and ‘80s tectonic debate concerning the way extension is accommodated in continental regions (see our previous blog posts here and here). His article explores the physical conditions that can lead to the three end-member modes of lithospheric extension in continents: core complex mode, wide rift mode and …[Read More]

CR

Living IN the Greenland ice sheet: the story of Sites I and II, Camp Century’s older, smaller siblings

Living IN the Greenland ice sheet: the story of Sites I and II, Camp Century’s older, smaller siblings

Greenland, cold as it is, was appropriately front and center in the Cold War. Strategically placed between Europe and North America, the United States sought to maintain and enhance its position on the island so that American missiles and bombers were in striking range of many Soviet targets. Soviet bombers and missiles coming toward North …[Read More]

GD

Continental drift in academia

Continental drift in academia

After spending about three decades in the hustle-bustle of Asian megacities, I landed up in a quiet European town to continue my research work as a postdoc. When you know you will not meet your family soon in person, you know that you will not get the food you love and, the climate that has …[Read More]

Imaggeo On Monday: Quartz – sericite mylonite, Calamita, Elba

Imaggeo On Monday: Quartz – sericite mylonite, Calamita, Elba

Concomitant thrusting and magmatism resulted in the development of ductile mylonites in the Calamita Schists, part of the contact aureole of the Late Miocene Porto Azzurro pluton. This mylonite is made up of stretched and recrystallized quartz layers, interlayered with thin sericite-rich levels. Sericite resulted from the crushing of contact-metamorphic minerals such as andalusite, cordierite, …[Read More]