Results 141 to 150 of about 68,053 (269)

Early Ordovician sea scorpions from Morocco suggest Cambrian origins and main diversification of Eurypterida. [PDF]

Proc Biol Sci
Van Roy P, Richards JC, Ortega-Hernández J.   +2 more
europepmc   +1 more source

Geochemistry and Evolutionary Characteristics of Rare Earth Elements in Ordovician Carbonate-Evaporite Rocks of the Central-Eastern Ordos Basin, Central China. [PDF]

ACS Omega
Bao H, Shi B, Ma Z, Wei L, Yan T, Yan W, Zhang Y.   +6 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

Hydrochemical Evolution of Karst Groundwater and Mining-Induced Activation Effects in a Coal Mining Area: A Case Study from the Tengxian Coalfield, China. [PDF]

ACS Omega
Tian B, Lu C, Zhao D, Li J, Zhu H, Dong F.   +5 more
europepmc   +1 more source

Evaluation of potential helium source rocks and helium enrichment factors in coalbed methane in the eastern margin of Ordos basin. [PDF]

Sci Rep
Chen Y, Tao S, Kang R, Gao J, Yang Y, Fang X, Song W, Chen Y, Liu X.   +8 more
europepmc   +1 more source

A primitive cladid crinoid from the Jiacun Group, Tibet (Darriwilian, Middle Ordovician)

, 2012
Stephen K. Donovan, David A. T. Harper, Zhan Renbin, Lars Stemmerik, Liu Jianbo, Svend Stouge   +5 more
openalex   +2 more sources

Upper Ordovician palaeogeography of the Bohemian Massif: implications for Armorica [PDF]

, 1995
Joyce Tait, V. Bachtadse, H. Soffel
openalex   +1 more source

Thermal evolution of light hydrocarbon fingerprints in biodegraded oils from Ordovician reservoirs, Tabei Uplift, Tarim Basin. [PDF]

Sci Rep
Yang Y, Liao Y, Huang Y, Zheng Y, Cheng B, Lin H, Wang Y, Peng P.   +7 more
europepmc   +1 more source

Agnostid trilobites from the Upper Ordovician of Sweden and Bomholm, Denmark

, 1989
Per Ahlberg
openalex   +1 more source

Elemental logging evidence for paleoenvironmental reconstruction of the ordovician strata in the Western Ordos basin, China. [PDF]

Sci Rep
Zhao Z, Zhao X, Song W, Zhang Y, Gao J, Sun Y, Chen Z.   +6 more
europepmc   +1 more source