Tag Geology

Wisconsin corn maze features 480-foot trilobite

October 4, 2017

Wiped out more than 250 million years ago, a trilobite today is the Wisconsin state fossil. It is also the defining feature of this year’s award-winning Treinen Farm Corn Maze in Lodi.

UW-Madison course examines natural disasters

September 13, 2017

When Harold Tobin was planning the course on "Natural Hazards and Disasters" last spring, he could not know that hurricanes and wildfires would own the news cycle this semester.

Charles Bentley, pioneering UW–Madison glaciologist, dies

August 23, 2017

Bentley was among the first scientists to measure the West Antarctic Ice Sheet in the late 1950s. His findings resonate today as marine ice sheets are particularly vulnerable to melting and collapse in climate change scenarios.

Geologists use radioactive clock to document longest earthquake record

May 1, 2017

UW-Madison geoscience department researchers have peered back in time more than 400,000 years to illuminate a record of earthquakes along the Loma Blanca fault in New Mexico.

Returning adult students honored for overcoming obstacles

April 7, 2017

The winners of the Outstanding Undergraduate Returning Adult Student Award have resumed their academic pursuits after a significant interruption and have attained senior status while handling all the demands of adult life.

Massive, computer-analyzed geological database reveals chemistry of ancient ocean

March 30, 2017

Why did easy-to-see and once-common structures called stromatolites essentially cease forming over the long arc of earth history?

From rocks in Colorado, evidence of a ‘chaotic solar system’

February 22, 2017

New evidence confirms a critical theory of how the planets in our solar system behave in their orbits around the sun, producing big changes in Earth's climate.

Fossil fuel formation: Key to atmosphere’s oxygen?

December 30, 2016

“Why is there oxygen in the atmosphere?" asks researcher Shanan Peters. The high school explanation is 'photosynthesis.' But we’ve known for a long time ... that building up oxygen requires the formation of rocks like black shale."

Life in ancient oceans enabled by erosion from land

September 26, 2016

As scientists continue finding evidence for life in the ocean more than 3 billion years ago, those ancient fossils pose a paradox that raises questions about whether there was more land mass than previously thought.

Cataclysm at Meteor Crater: Crystal sheds light on Earth, moon, Mars

July 26, 2016

In molten sandstone extracted by prospectors a century ago, an international team of scientists has discovered microscopic crystals telling of unimaginable pressures and temperatures when an asteroid formed Meteor Crater in northern Arizona some 49,000 years ago.

10,000-year record shows dramatic uplift at Andean volcano

December 16, 2015

The dramatic finding rested on a simple, painstaking study of the ancient lakeshore, which resembles a bathtub ring.