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sedimentary bedding

Quantitative reconstruction of formation paleo-pressure and case studies

Photomicrographs showing anorthosites with 'correct' and 'wrong' proportions of chromite from the Bushveld Complex, South Africa. Credit: Wits University

Researchers unravel the mystery of non-cotectic magmatic rocks

Photograph of the fossil sandgrouse Linxiavis inaquosus (left) with a fabricated-color image (right) of the bird's skeleton based on CT scanning data Credit: IVPP

Sandgrouse : Six million-year-old bird skeleton points to arid past of...

Image shows artwork of the Afrotapejara zouhrii. Credit: Megan Jacobs, Baylor University, Texas

Palaeobiologists have identified another new species of pterosaur

A new feathered dinosaur that lived in New Mexico 67 million years ago is one of the last known surviving raptor species, according to a new publication in the journal Scientific Reports. Dineobellator notohesperus adds to scientists' understanding of the paleo-biodiversity of the American Southwest, offering a clearer picture of what life was like in this region near the end of the reign of the dinosaurs. Credit: Sergey Krasovskiy

Dineobellator notohesperus : New feathered dinosaur was one of the last...

Minerals on Hand

Mines in Texas & New Mexico : Mines Where You Can...

A 3D laser scan of an Ikaria wariootia impression. (Droser Lab/UCR)

Ancestor of all animals identified in Australian fossils

Example coprolites from Rancho La Brea (A) prior to asphalt removal with surrounding sediments, (B) showing intact pellets with plant material, (C) isolated, cleaned pellets. Figure 2, from: Mychajliw et al. 2020. Exceptionally preserved asphaltic coprolites expand the spatiotemporal range of a North American paleoecological proxy. Credit: Carrie Howard

Unprecedented preservation of fossil feces from the La Brea Tar Pits

Dr Daniel Field holding a replica version of the 'Wonderchicken' skull

Wonderchicken : fossil from the age of dinosaurs reveals origin of...

Researchers dated ash deposits from this hill, called a koppie in South Africa. The lower part of koppie Loskop exposes strata from before the end-Permian extinction (Palingkloof Member of the Balfour Formation), while the upper part contains layers deposited after the extinction (Katberg Formation). Credit: John Geissman

In Earth’s largest extinction, land die-offs began long before ocean turnover

The Mawenzi : The Largest Tanzanite rough in the World

The Mawenzi : The Largest Tanzanite rough in the World

This mural was originally made for a recent Royal Ontario Museum exhibit about a fossil ankylosaur named Zuul crurivastator. That fossil is found within a couple of meters stratigraphically/temporally of the site described in this paper. The last author on the study, David Evans, is the dinosaur curator at the Royal Ontario Museum and was also involved in the description of Zuul and design of that exhibit. Credit: Danielle Dufault, Royal Ontario Museum.

Late cretaceous dinosaur-dominated ecosystem

Numerous specimens of Kateretidae in a piece of amber from the Institute of Geology and Palaeontology in Nanjing (China). Included are also pollen grains from primitive water lilies. Credit: Georg Oleschinski/Uni Bonn

Beetles changed their diet during the Cretaceous period

Geologists studying rock samples from Baffin Island find lost fragment of continent. Credit: istock

Geologists find lost fragment of ancient continent in Canada’s North

Roughly 66 million years ago an asteroid slammed into the Yucatan peninsula. New research shows darkness, not cold, likely drove a mass extinction after the impact. Credit: NASA

Darkness, not cold, likely responsible for dinosaur-killing extinction

Blue Quartz

Blue Quartz : What is Blue Quartz? How does Blue Quartz...

Arial view of the Bungle Bungle range, May 2016. Credit: Creative Commons Attribution-Share Alike 4.0 International license. Nichollas Harrison

How the Bungle Bungles got their stripes

Fossil rudist bivalves (Vaccinites) from the Al-Hajar Mountains, United Arab Emirates. Credit: Wikipedia, Wilson44691 – Own work, Public Domain

Ancient shell shows days were half-hour shorter 70 million years ago

Earth

Earth’s Mantle, Not Its Core, May Have Generated Planet’s Early Magnetic...

The rocks the team analysed are the oldest preserved mantle rocks. They allow us to see into the early history of the Earth as if through a window. Credit: UNSW

Building blocks for life on Earth arrived much later than we...

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