Sentences with phrase «plant fossils preserved»

«Excavating plant fossils preserved in rocks deposited during the last days of the dinosaurs, we found some preserved with abundant fossilized charcoal and others without it.

Not exact matches

Herbivore coprolites are rare in the fossil record because a diet of leaves and other green plant material doesn't leave a lot of hard material to preserve (unlike bones in carnivore dung).

The well - preserved fossil of a plant - eating hadrosaur, complete with skin and tendons, was discovered in 1999.

A discovery of well - preserved fossil plants by paleontologists from the United States, China, Japan, Russia and Mongolia has allowed researchers to identify a distant relative of the living plant Ginkgo biloba.

The Zambian and Tanzanian fossil beds preserved both plants and animals, which is unusual, and provides information on paleoclimate before and after the extinction.

Generally speaking, a fossil is any evidence of past plant or animal life that is preserved in the material of the Earth's crust.

But when most people talk about fossils, they mean a specific subsection of this group — fossils in which the shape of the animal or plant has been preserved, while the actual organic matter of its body is gone.

This had the unusual effect of allowing fossils of plants that once grew on present - day Greenland to be much better preserved than with the slowly forming Antarctic ice sheet.

This fossil site is a petrified peat bog preserving primitive plants and animals in exquisite detail.

The fossils were formed in a swampy peat bog of a tropical to subtropical environment where plant tissues were preserved through rapid silicate diagenesis.

A fossil is the remains or traces of a once - living plant or animal that was preserved in rock or other material before the beginning of recorded history Carbon - 14, 14 C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

Fossil: Fossil, remnant, impression, or trace of an animal or plant of a past geologic age that has been preserved in Earth's crust.

Fossils are the preserved remains of a prehistoric plant or animal, encased in rock over thousands of years.

On his famous voyage on the HMS Beagle, Charles Darwin traveled around the world, from the Cocos - Keeling Islands of the Indian Ocean to Australia, Patagonia, Brazil and Chile, collecting fossil bones, fish preserved in spirits of wine, rocks, plants, carcasses of dead animals, and beetles.

The assimilation - weighted average of this discrimination against 13C, quantified as Δ13C [Farquhar et al., 1989], is routinely measured in the carbon - based remains of plants preserved as fossils, such as the highly durable leaf cuticle [Beerling et al., 2002].