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Journal of Geophysical Research: Solid Earth

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解释明显异常数据的两种简单情况的其中一种:山弯构造弯曲。图片来源
Posted inEditors' Highlights

地心轴向偶极子假说足矣!

by Daniel Pastor-Galán 25 September 202425 September 2024

在中国的一项详尽的研究发现在新元古代早期没有援引极端真正极移或异常地磁场的必要。

Diagram from the study.
Posted inEditors' Highlights

Cyclic Opening of Deep Fractures Regulates Plate Boundary Slip

by Brandon Schmandt 24 September 202420 September 2024

Seismic anisotropy changes through time suggest that cyclical opening of fluid-filled fractures is synchronized with subduction zone slow slip events.

Aerial photo of Mount Kīlauea
Posted inEditors' Highlights

Forecasting Caldera Collapse Using Deep Learning

by Olivier Roche 18 September 202417 September 2024

A deep learning model trained with geophysical data recorded during the well-documented 2018 Kilauea volcano eruption, Hawaii, predicts recurrent caldera collapse events.

Posted inResearch Spotlights

南海微生物可能形成磁铁矿

Rachel Fritts, Science Writer by Rachel Fritts 23 August 202423 August 2024

研究人员对沉积物岩心进行了采样,发现磁铁矿丰富的地方也存在产甲烷细菌。

Map of Paradox Basin with symbols
Posted inEditors' Highlights

Faults Along Salt Walls Are Less Stressed in the Paradox Basin

by Birgit Müller 22 July 202422 July 2024

Based on an extended stress database, scientists observe systematic changes in the tectonic stress state and a reduction in fault reactivation potential near salt walls in the Paradox Basin.

A black-and-white image from an electron microscope shows a gray substance made up of many smaller uneven balls of material (similar to Nerds Rope candy).
Posted inResearch Spotlights

Microbes Likely Form Magnetite in the South China Sea

Rachel Fritts, Science Writer by Rachel Fritts 22 July 202423 August 2024

Researchers sampled sediment cores and found that where magnetite was abundant, methane-producing bacteria were as well.

An aerial photo of a large crater.
Posted inEditors' Highlights

Caldera Collapse as a Natural Example of Rock Friction

by Yosuke Aoki 25 June 202424 June 2024

Recurrent slips on the caldera wall of the Kīlauea Volcano are a natural experiment not only to understand the mechanics of caldera formation but also to gain more insights into fault friction.

Acantilados grises y beige a la izquierda con vistas a un océano azul a la derecha.
Posted inResearch Spotlights

Cómo los movimientos del manto dan forma a la superficie terrestre

Rachel Fritts, Science Writer by Rachel Fritts 18 June 202418 June 2024

Dos nuevos conjuntos de datos ayudan a los investigadores a separar las influencias de la tectónica de placas y el movimiento del manto en la topografía de la superficie.

Cientifico preparando muestras en el laboratorio
Posted inResearch Spotlights

¿El secreto para imitar fallas naturales? Plexiglás y teflón

Sarah Derouin, Science Writer by Sarah Derouin 13 June 202413 June 2024

Investigadores encontraron una manera eficaz para producir un comportamiento de fallas natural en el laboratorio.

A map and graph from the paper.
Posted inEditors' Highlights

The Not-So-Quiet Cretaceous Quiet Zone

by Bjarne S. G. Almqvist 4 June 20243 June 2024

A new study finds that Earth’s magnetic field intensity varied significantly during the Cretaceous Normal Superchron, providing insights into the operation of the geodynamo during superchrons.

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