Articles with "million year" as a keyword



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A 5.3‐Million‐Year History of Monsoonal Precipitation in Northwestern Australia

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Published in 2019 at "Geophysical Research Letters"

DOI: 10.1029/2019gl083035

Abstract: New proxy records from deep‐sea sediment cores from the northwestern continental margin of Western Australian reveal a 5.3 million year (Ma) history of aridity and tropical monsoon activity in northwestern Australia. Following the warm and… read more here.

Keywords: northwestern australia; million year; monsoonal precipitation; precipitation northwestern ... See more keywords
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Brazil wins legal fight over 100-million-year-old fossil bounty

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Published in 2019 at "Nature"

DOI: 10.1038/d41586-019-01781-8

Abstract: A French court has ordered the return of 45 dinosaur and animal fossils to Brazil, and will soon rule on the fate of a spectacular pterosaur skeleton. A French court has ordered the return of… read more here.

Keywords: 100 million; wins legal; fight 100; legal fight ... See more keywords

A 70-million-year-old landscape that looks frozen in time

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Published in 2019 at "Nature"

DOI: 10.1038/d41586-019-01784-5

Abstract: Brazilian mountains haven’t eroded and could be the oldest surface land on Earth.Brazilian mountains haven’t eroded and could be the oldest surface land on Earth. read more here.

Keywords: old landscape; million year; looks frozen; frozen time ... See more keywords
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Reassessing evidence of life in 3,700-million-year-old rocks of Greenland

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Published in 2018 at "Nature"

DOI: 10.1038/s41586-018-0610-4

Abstract: The Palaeoarchean supracrustal belts in Greenland contain Earth’s oldest rocks and are a prime target in the search for the earliest evidence of life on Earth. However, metamorphism has largely obliterated original rock textures and… read more here.

Keywords: 700 million; chemistry; old rocks; million year ... See more keywords
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A seven-million-year hornblende mineral record from the central Chinese Loess Plateau

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-02400-0

Abstract: Previous studies of the late Cenozoic erosion rate have yielded different views—long-term stable rates or a significant increase at climate transitions—leading to uncertainty concerning the hypothesized global erosion rate controlled by either tectonic uplift or… read more here.

Keywords: plateau; hornblende mineral; million year; year hornblende ... See more keywords
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New findings in a 400 million-year-old Devonian placoderm shed light on jaw structure and function in basal gnathostomes

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-07674-y

Abstract: Arthodire placoderms have been proposed as the sister group of Chinese ‘maxillate’ placoderms plus all the more crownward gnathostomes. These basal groups provide key information for understanding the early evolution of jaws. Here, we test… read more here.

Keywords: 400 million; jaw structure; million year; structure ... See more keywords
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Osteomyelitis in a 265-million-year-old titanosuchid (Dinocephalia, Therapsida)

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Published in 2019 at "Historical Biology"

DOI: 10.1080/08912963.2017.1419348

Abstract: Abstract Analytical palaeohistology techniques have allowed a better understanding of the microstructure of fossil bone, as well as of bone pathologies of extinct animals. Osteomyelitis is one of the oldest identified bone pathologies, occurring in… read more here.

Keywords: osteomyelitis 265; titanosuchid; 265 million; pathology ... See more keywords