Ortiz Contributes to Article About Coral Reef Island Resiliency

Alejandra Ortiz, assistant professor of geology, was interviewed for an article titled “A Brighter Future for Coral Reef Islands” that appeared in Eos, a source of news and science for the American Geophysical Union. The article reports on new research that shows low-lying coral reef island may be more resilient to rising ocean levels than previously thought. If...

Gastaldo and Kus ’18 Coauthor Paper Published in Journal of Sedimentary Research

Robert Gastaldo, the Whipple-Coddington Professor of Geology, and Kaci Kus ’18 have coauthored a paper just published in the Journal of Sedimentary Research that’s based on Kus’s honors thesis. The paper, “Calcic Vertisols in the upper Daptocephalus Assemblage Zone, Balfour Formation, Karoo Basin, South Africa: Implications for Late Permian Climate,” stems from research Kus conducted for a project in South Africa...

Professor Robert Gastaldo Published in Nature Communications

Current Ocean Crisis Indicates Land May Be Experiencing Even More Stress New research from an international team of scientists led by Colby College Professor of Geology Robert Gastaldo appears this week in Nature Communications, the world’s leading multidisciplinary science journal. Titled “The base of the Lystrosaurus Assemblage Zone, Karoo Basin, predates the end-Permian marine extinction,”...

Smithsonian Continues Gastaldo’s Appointment as Academic Researcher

The Smithsonian Institution Fellowship Program (SIFP) has continued the appointment of Robert Gastaldo as an academic researcher. Gastaldo, the Whipple-Coddington Professor of Geology, had been associated with the Smithsonian for close to 35 years. His current research with SIFP is with the Smithsonian’s William DiMichele, and together they seek to understand what happened to Deep Time...

Gastaldo’s Findings on Simultaneous Mass Extinctions Covered by Phys.org and Others

Recently released findings by Robert Gastaldo, the Whipple-Coddington Professor of Geology, were covered at Phys.org, as provided by the National Science Foundation. “New research led by Colby College geologist Robert Gastaldo has revealed the most definitive proof to date that the extinctions did not occur at the same time. The findings, published in the journal PALAIOS,...

Professor Proves Mass Extinction of Land and Sea Biodiversity 250 Million Years Ago Did Not Occur Simultaneously

Vertebrate Fossil Record from Earlier Studies is Inaccurate. New research from a team of leading scientists led by Colby College professor and geologist Robert Gastaldo has revealed the most definitive proof to date that a near-instantaneous marine and terrestrial end-Permian mass extinction did not occur simultaneously. The important findings, recently published in the leading academic...

Gastaldo Publications Cast More Shade on Long-held Extinction Model

Robert Gastaldo, Colby’s Whipple-Coddington Professor of Geology, and colleagues recently published an article in the journal PALAIOS, that upsets long-held beliefs about the End-Permian mass extinction 252 million years ago. Gastaldo is coauthor of an article titled “Testing the Daptocephalus and Lystrosaurus Assemblage Zones in a Lithostratographic, Magnetostratigraphic, and Palynological Framework in the Free State,...

Gastaldo is Featured Speaker at Fall Meeting of the New Hampshire Geological Society

Robert Gastaldo, the Whipple-Coddington Professor of Geology, is the featured speaker at the New Hampshire Geological Society’s fall meeting. Gastaldo talk is titled “The Terrestrial Record of the End-Permian Mass Extinction – Karoo Province, South Africa,” which will discuss the end-Permian extinction event as it is recorded in South Africa, as a model for the Sixth...

Gastaldo Article on Plants and Mass Extinction Published in Nature

The journal Nature has published an article by Robert Gastaldo, the Whipple-Coddington Professor of Geology, in its News and Views section. The March 1 article, “Ancient plants escaped the end-Permian mass extinction,” details what two papers (one by Fielding et al., the other by Nowak et al.) “reveal about what happened to terrestrial plants during the end-Permian crisis,” Gastaldo writes. Written for a general...

Croft Book Come Fly With Us Published

A book by Melvin Croft, an instructor in the Department of Geology, was recently published in the University of Nebraska’s Outward Odyssey: A People’s History of Spaceflight Series. Come Fly With Us: NASA’s Payload Specialist Program details “an elite group of space travelers who flew as members of many space shuttle crews from pre-Challenger days to Columbia in 2003. Not part of the regular...

NSF Grant Awarded to Gastaldo and Glasspool

A $231,571 National Science Foundation grant was awarded to Robert Gastaldo, the Whipple-Coddington Professor of Geology, and Ian Glasspool, research scientist in geology, for their project titled “RUI: The Timing and Evolution of Devonian Fire Systems and Their Implications for Atmospheric Oxygen Concentration.” This marks the 10th NSF grant Gastaldo has received since he began at the...

Gastaldo Featured in Undark Story on South Africa Research

Robert Gastaldo, the Whipple-Coddington Professor of Geology, was featured prominently in an Undark story about research in South Africa’s Karoo region. Gastaldo has been researching the South African region where the end-Permian extinction is reported, and this story looks at what researchers are discovering in the rocks. “’If the marine and continental biota collapsed simultaneously, or even a...

Koffman Coauthors Paper on Denali Ice Core Records

Assistant Professor of Geology Bess Koffman coauthored a paper in the Journal of Geophysical Research: Atmospheres. Titled “Denali ice core methanesulfonic acid records North Pacific marine primary production,” the paper focuses on developing a tool for assessing past changes in primary production in the North Pacific, i.e., the base of the marine food web. The paper developed...

Gastaldo Paper Published Online in Geological Society of America Bulletin

Robert Gastaldo, the Whipple-Coddington Professor of Geology, coauthored a paper that appears in the online Geological Society of America Bulletin. The paper provides an in-depth analysis of the authors’ findings at one of the classic areas in South Africa where the end-Permian extinction is reported and is the follow-up manuscript to the internationally acclaimed paper published in Geology in 2015. The...

Gastaldo Narrative Featured on NASA Earth Observatory Image of the Day

Whipple-Coddington Professor of Geology Robert Gastaldo provided context for the March 6 Image of the Day of the Sarawak River Delta on the island of Borneo, where Gastaldo studied in the early 1990s. In his narrative, he discusses the “snake-like nature and sharp turns of these waterways [which] resemble a painting when viewed from space,”...

Grocke ’09 Contributes to Multimedia Project on Volcano Expedition

Volcanologist and National Geographic Explorer Stephanie Grocke ’09 participated in a month-long expedition to Xela, Guatemala, to study the active Santiaguito volcano there. Grocke collaborated with two other explorers to create a “multimedia outreach campaign that will highlight the risks associated with living near an active lava dome,” and includes an online photo exhibit. Grocke, a geology...

Geology Students to Present Research at GSA Meeting

Six geology students will present their research at the Geological Society of America’s Annual Meeting Oct. 22-25 in Seattle. The following students undertook their research at Colby and elsewhere through summer Research Experiences for Undergraduate (REU) programs. Alyson Churchill ’18, who participated in a summer REU program at Oregon State University, with a poster titled “Discharge...

Gastaldo and Li ’16 Coauthor Paper in Earth Science Reviews

Whipple-Coddington Professor of Geology Robert Gastaldo and Jiawen “June” Li ’16 coauthored a paper titled “A multidisciplinary approach to review the vertical and lateral facies relationships of the purported vertebrate-defined terrestrial Permian–Triassic boundary interval at Bethulie, Karoo Basin, South Africa” published Aug. 8 in Earth Science Reviews. The paper, Li’s second, peer-reviewed publication, was invited for...

Koffman Publishes Two Geology Papers—On Education and on Ash Transport

Assistant Professor of Geology Bess Koffman published two papers in August. Koffman and University of Maine coauthors wrote “Integrating Scientific Argumentation to Improve Undergraduate Writing and Learning in a Global Environmental Change Course” which appeared in the August issue of Journal of Geoscience Education. The paper describes the authors’ approach for incorporating scientific argumentation into a global...

Gastaldo Research Teams Have Two Publications

Two research teams led by Whipple-Coddington Professor of Geology Robert Gastaldo have recently had manuscripts published. One manuscript, in which Gastaldo took the lead, was published in PALAIOS (v. 32, p. 349-366) and titled “Paleontology Of The Blaauwater 67 And 65 Farms, South Africa: Testing The Daptocephalus/Lystrosaurus Biozone Boundary In A Stratigraphic Framework.” The full paper can...