Results 191 to 200 of about 66,668 (274)

Late Ordovician ironstone and its relation to ocean redox instability, climate and glaciation

Edward J. Matheson, Jackson D. Malone, Peir K. Pufahl, Eric E. Hiatt   +3 more
openalex   +1 more source

Study on the Development, Evolution, and Main Controlling Factors of Gypsum Moldic Vugs in Ma5₄ ¹, Central Ordos Basin. [PDF]

ACS Omega
He J, Tang C, Zhao G, Du J, Mei X, Zhang Z, Zhao Z, Yao J.   +7 more
europepmc   +1 more source

Stratigraphic Studies of the Ordovician and Devonian Formations Throughout the Northwest Plains Area

, 1942
Walter N. Campbell
openalex   +1 more source

Evaluation of Grouting Reinforcement Effectiveness in Coal Seam Floors Using the Monte Carlo Analytical Hierarchy Process: A Case Study of the Rongkang Coal Mine. [PDF]

ACS Omega
Gao C, Ma J, Wang D, Wang L, Yang X, Ren Y, Yang J, Xu W, Chen Z.   +8 more
europepmc   +1 more source

Early colonization of the deep-sea bottom-The protracted build-up of an ecosystem. [PDF]

Proc Natl Acad Sci U S A
Buatois LA, Mángano MG, Paz M, Minter NJ, Zhou K.   +4 more
europepmc   +1 more source

Reefal regions were biodiversity hotspots throughout the Phanerozoic. [PDF]

Sci Adv
Close RA, Benson RBJ, Kiessling W, Saupe EE.   +3 more
europepmc   +1 more source

Ordovician and Silurian siliciclastic strata of the Middle Tianshan (Eastern Kyrgyzstan): age and provenance according to the detrital zircon dating

D. V. Alexeiev, A. K. Khudoley, S. Andrew DuFrane, A. V. Kushnareva, N. V. Bryanskiy, A. A. Karimov   +5 more
openalex   +2 more sources

Phosphatic stromatoporoid sponges formed reefs ~480 Mya. [PDF]

Proc Natl Acad Sci U S A
Jeon J, Simonet Roda M, Chen ZY, Luo C, Kershaw S, Kim D, Ma JY, Lee JH, Zhang YD.   +8 more
europepmc   +1 more source

Rapid Biotic Recovery Coupling with Progressive Oceanic Oxygenation Following Late Ordovician Mass Extinction

Yuying Zhang, Zhiliang He, Shuangfang Lu, Dianshi Xiao, Guohui Chen   +4 more
openalex   +1 more source