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clays

Clay chemist Lynda Williams holds a handful of green clay, which she shows has healing properties.
Posted inNews

Healing Power of Clay? Not as Off-the-Wall as You Might Think

by H. Hagemann 12 December 201811 January 2022

An ancient folk remedy, blue-green iron-rich clay, kills antibiotic-resistant bacteria using a one-two punch, a new study shows.

A trilobite fossil from the Burgess Shale in British Columbia, Canada.
Posted inNews

Rocks with Soft-Tissue Fossils Share a Mineral Fingerprint

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 20 March 201830 January 2023

Discovering new resting places of these rare and information-rich fossils will be critical to understanding the largest expansion of life in Earth’s history, according to researchers.

Posted inResearch Spotlights

Accounting for the Missing Silica in the Marine Sediment Cycle

by Terri Cook 16 January 201828 January 2022

Cosmogenic silicon-based estimates of the amount of biogenic silica stored in clays along continental margins could explain the large discrepancy in the nutrient’s global marine budget.

Variations in rock hold clues to the movement of the intertropical convergence zone and how it may have influenced the Earth’s climate. Title tag: Variations in rock hold clues to the movement of the intertropical convergence zone and how it may have influenced the Earth’s climate.
Posted inResearch Spotlights

Simulating the Climate 145 Million Years Ago

Shannon Hall by S. Hall 10 October 201620 April 2022

A new model shows that the Intertropical Convergence Zone wasn't always a single band around the equator, which had drastic effects on climate.

cyanobacteria coated in clay minerals
Posted inNews

How Did Fragile Early Microbes Become Fossils?

Lucas Joel by L. Joel 12 August 201630 January 2023

During the Ediacaran period more than a half billion years ago, clay mineral coats likely shielded delicate remains, helping them become exquisitely preserved in rock, recent experiments suggest.

Posted inNews

The Dwarf Planet That Came in from the Cold—Maybe

by R. Cowen 12 November 201517 February 2023

The presence of ammonia-rich clay on much of the surface of Ceres suggests that this dwarf planet—the largest object in the asteroid belt—may have formed far out in the solar system, then wandered in.

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