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A detail of the southern wall of the Las Cañadas caldera de . It is the best exposed sector of this volcanic structure. (Imagen: Joan Martí)

Study provides new insight into the origin of Las Cañadas caldera...

Fig. 1 Map of the 2016 Kaikōura earthquake and surrounding area. (A) Transpressional tectonic setting of the northeastern South Island of New Zealand. (B) Map of surface ruptures from the 2016 Mw 7.8 Kaikōura earthquake, shown in bold black lines with the Papatea fault in red (8, 28). Dots represent scaled relative energy release from back-projection results (15) and are colored by time since rupture onset. Mapped active faults that did not rupture during the Kaikōura event are indicated by thin black lines (28). Credit: Science Advances 02 Oct 2019: Vol. 5, no. 10, eaax5703, DOI: 10.1126/sciadv.aax5703

Unusual fault rupture during Kaikōura quake

A river flows between mountains at Yellowstone National Park in Wyoming. New research tests a 30-year-old theory on the relationship between erosion and mountain height. Photo credit: Seth Cottle/Unsplash

Why are mountains so high?

Machu Pichu. Detailed mapping indicates the World Heritage Site’s location and layout were dictated by the underlying geological faults. Photo taken 5 Nov. 2010; credit: Rualdo Menegat.

Machu Picchu: Ancient Incan sanctuary intentionally built on faults

Photographs of alkaline magmatic intrusions in Greenland. The region was volcanically and tectonically active around 1.2 billion years ago. Although no longer active, it is of major interest to geologists because the subsequent uplift and glacial erosion have cut deep into the rift and exposed the magma chambers that once lay well below the surface. Greenland’s magmas were sourced from a mantle that was enriched and contaminated by ancient crustal materials. Credit: University of St Andrews

Ancient volcanoes reveal Earth’s recycled crust

Global paleomagnetic plate reconstructions a. 270 Ma, b. 180 Ma, and inset the Present Tethyan Realm. Credit: ©Science China Press

What drives plate tectonics?

Continents breaking up and getting back together. Image credit: Naeblys / Getty Images

Researchers uncover 2.5 billion years of Earth’s continents breaking up and...

Schematic diagram of water and chlorine transfer by the oceanic crust into the transitional zone of the mantle and the subsequent capture of the resulting material by an Archaean mantle plume. Credit: Evgeny Asafov

Scientists discover how and when a subterranean ocean emerged

A fresh surface rupture of the Kekerengu fault, taken 4 days after the Kaikoura earthquake, with lead author Jesse Kearse leaning next to a curved slickenline (the subject of this article). Photo credit - Professor Tim Little (Victoria University of Wellington).

Curved slickenlines preserve the direction of rupture propagation

continents

New model suggests lost continents for early Earth

Deep earthquake swarms show the path of fluids released from the subducted Pacific Plate.

Earthquake swarms reveal missing piece of tectonic plate-volcano puzzle

Plate Tectonics

Plate tectonics may have driven ‘Cambrian Explosion’

Grand Canyon

Glacial sediments greased the gears of plate tectonics

Contact Metamorphism Vs. Regional Metamorphism

Contact Metamorphism Vs. Regional Metamorphism

Contact Metamorphism

Contact Metamorphism : What is Contact Metamorphism? How it formed?

Regional Metamorphism

Regional Metamorphism : What is regional metamorphism? How it formed?

Subsidence in Tuscany

Monitoring Earth’s shifting land

Subduction Zone - Earth

How life on Earth affected its inner workings

Diamond

Diamonds reveal how continents are stabilized, key to Earth’s habitability

India , Asia

When India Slammed Into Asia

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