This paper analysed the carbon and oxygen isotope composition of brachiopods fossils from the Devonian Period in Sichuan Province.

本论文对来自四川龙门山泥盆纪的腕足化石进行碳、氧同位素分析。

youdao

During the Devonian period, northward of Longmen Mountain structural belt is located in northwest border of Up Yangtzee Ancient Land.

在泥盆纪期间，龙门山构造带北段位于上扬子古陆的西北边缘。

youdao

During the Devonian period, insects began to exploit terrestrial environments. Flight, the exoskeleton, and metamorphosis are probably keys to insect success.

在泥盆纪时期，昆虫开始探索陆地环境。飞翔、外骨骼、和变态可能是昆虫成功的关键。

youdao

The Geopark's outstanding historical contribution, both in terms of the development of geological and archaeological sciences is astounding: from the Huttonian Theory, to the naming of the Devonian Period by Sedgwick and Murchison, and even Pengelly's discoveries informing worldwide public opinion as to the antiquity of man.

UNESCO: Global Geoparks