The known fossil record of the Lythraceae has been amplified by recent studies in northern Latin America. A total of 18 genera is recognized in geologic strata ranging in age from lower Eocene to ...

This is a preview. Log in through your library . Abstract The history of the geological sciences has gone through substantive changes in perception, methodology, and changing methods of scientific ...

Boulder, Colo., USA: Marine and coastal geoscience play a critical role in understanding ancient and modern geological history, offshore and coastal hazards, and climate change. Deep-water ...

A thin slice of the ancient rocks collected from Gakkel Ridge near the North Pole, photographed under a microscope and seen under cross-polarized light. Field width ~ 14mm. Credit: E. Cottrell, ...

THIS account of the geological history of North America is intended for students and readers interested in the cultural aspect of the science. The author, like all geologists, believes that a ...

Researchers probe deep secrets of trapped inclusions in garnet sand from Papua New Guinea. On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to ...

This schematic of the Earth's crust and mantle shows the results of a new study that found that iron's heavier forms (isotopes) would have concentrated near the bottom of the mantle as it crystallized ...

On a beach on a remote island in eastern Papua New Guinea, a country located in the southwestern Pacific to the north of Australia, garnet sand reveals an important geologic discovery. Similar to ...

How did Colorado's current and ancient landscape form? How do rocks reveal those ancient landscapes? What type of life has inhabited Colorado over geologic time? In what ways has the state's geologic ...

A top panel of geologists has decided not to grant the 'human age' its own distinct place in Earth's geological timeline after disagreeing over when exactly our era might have begun. After 15 years of ...

It's time to redraw the map of the world during the reign of the dinosaurs, two scientists say. Picture the U.S. West Coast as a torturous tectonic boundary, similar to Australia and Southeast Asia ...