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stratigraphy

数座高低错落的烟囱将浓烟倾泻在城市上空。从建筑物的顶部可以隐约看到山脉和橙色的天空。
Posted inResearch Spotlights

一些专家认为人类世应得到官方认可

by Saima May Sidik 29 April 20255 May 2025

国际地质科学联合会选择不指定新的地质时代,但这个问题还没有得到解决。

Varias chimeneas a diferentes niveles lanzan humo sobre una ciudad. Una cadena montañosa y un cielo anaranjado se pueden ver detrás de la cima de los edificios.
Posted inResearch Spotlights

El Antropoceno merece reconocimiento oficial, sostienen algunos expertos

by Saima May Sidik 3 April 20253 April 2025

La Unión Internacional de Ciencias Geológicas decidió no designar una nueva época geológica, pero el asunto aún no se ha resuelto.

Several smokestacks at different levels pour smoke over a city. A mountain range and orange sky can just be seen peeking out over the tops of the buildings.
Posted inResearch Spotlights

Anthropocene Deserves Official Recognition, Some Experts Maintain

by Saima May Sidik 25 March 202530 April 2025

The International Union of Geological Sciences chose not to designate a new geologic epoch, but the matter is not yet settled.

Photomicrographs of minerals.
Posted inEditors' Highlights

Unlocking Earth’s Terrestrial Sedimentary Record with Paleosols

by Maria Giuditta Fellin 9 July 20241 July 2024

Harnessing the micro-stratigraphy of pedogenic carbonates, scientists have demonstrated that age determination of fossil soils is possible via uranium-lead dating.

Old phones, computer parts, and random human garbage trapped in sediment
Posted inNews

What’s Next for the Anthropocene?

by Meghie Rodrigues 23 April 202423 April 2024

Researchers weigh in on the meaning and aftermath of the decision to reject designating “Anthropocene” as an official geological epoch.

Three people stand on a wooden platform in a lake, and a white, inflatable boat next to the platform holds another person. A 3-meter-tall metal tripod extends above the platform.
Posted inNews

A Lake Paves the Way for Defining the Anthropocene

Katherine Kornei, Science Writer by Katherine Kornei 25 August 202325 August 2023

Scientists recently voted to designate Crawford Lake, a small body of water in southern Canada, as the reference site of the “Age of Man.”

Layers of stacked sedimentary rock of different thicknesses.
Posted inResearch Spotlights

Specious Timescales from Sedimentary Layers

by Saima May Sidik 12 July 202322 August 2023

Changing environments can dramatically change how quickly layers form in sedimentary rocks, leading to incorrect time estimates.

Wireframe view of the Mare Tranquillitatis pit.
Posted inEditors' Highlights

The Shape of Pits on the Moon

by Laurent G. J. Montési 24 August 202222 August 2023

Three-dimensional reconstructions enable virtual exploration of pits on the Moon.

Location of the buried peak ring of the Chicxulub crater and inferred pool impact melt reported on a Bouguer gravity anomaly map.
Posted inEditors' Highlights

Shining a Spotlight on the Chicxulub Impact Crater

by Laurent G. J. Montési 12 October 202122 August 2023

A new seismic survey of the Chicxulub impact crater reveals the structure of its peak ring and the sediments that cover it.

The restored floodplain of the South Fork McKenzie River in Oregon
Posted inEditors' Vox

Why Rivers Need Their Floodplains

by E. Wohl 22 April 202122 August 2023

Floodplain storage of water, nutrients, and sediment is critical to sustaining river ecosystems but has been reduced by human activities.

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Deforestation Is Reducing Rainfall in the Amazon

19 May 202519 May 2025
Editors' Highlights

Bringing Storms into Focus

19 May 202515 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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