Results 111 to 120 of about 66,668 (274)

Warm-waterTcherskidiumfauna (Brachiopoda) in the Late Ordovician Northern Hemisphere of Laurentia and peri-Laurentia

, 2022
Jisuo Jin, Robert B. Blodgett, David A. T. Harper, Christian M. Ø. Rasmussen   +3 more
openalex   +1 more source

An integrative biostratigraphic, chemostratigraphic, and sequence stratigraphic perspective of the Ordovician–Silurian boundary on Anticosti Island (Canada) [PDF]

, 2023
Joshua B. Zimmt, Steven M. Holland, Marikò Cappello, David S. Jones, Jisuo Jin, Jon M. Husson, Blair Schoene, Charles E. Mitchell, Michael J. Melchin, Seth Finnegan, André Desrochers   +10 more
openalex   +1 more source

Upper Cambrian to Upper Ordovician peri-Gondwanan Island arc activity in the Victoria Lake Supergroup, Central Newfoundland: Tectonic development of the northern Ganderian margin [PDF]

, 2007
A Zagorevski, Cees R. van Staal, V J McNicoll, N Rogers   +3 more
openalex   +1 more source

Skeletal elements controlled soft-tissue preservation in echinoderms from the Early Ordovician Fezouata Biota

, 2023
Farid Saleh, Bertrand Lefèbvre, Christophe Dupichaud, Emmanuel L.O. Martin, Martina Nohejlová, Léa Spaccesi   +5 more
openalex   +1 more source

Regional geochemical and geophysical surveys in the Berwyn Dome and adjacent areas, north Wales [PDF]

, 1984
This report describes stream sediment and gravity surveys carried out across the Berwyn Dome and adjacent areas. The gravity survey confirmed the presence of a broad regional Bouguer anomaly low in the central part of the Dome, on which is ...
Cooper, D.C., Cornwell, J.D., Rollin, K.
core  

Characteristics and formation mechanism of stratified deformation of Lower Paleozoic faults in Gaojiapu area, eastern Ordos Basin

Shiyou shiyan dizhi
In recent years, exploration breakthroughs have been successively achieved in the strata deeper than the fifth member of the Lower Ordovician Majiagou Formation in the Ordos Basin, revealing its tremendous exploration potential.
Ping CHEN, Mingrui LI, Wei LI, Min QIANG, Pengcheng LU, Xiaowei YU, Wei HAN   +6 more
doaj   +1 more source

Correlation characteristics and genetic mechanisms between lithofacies and mechanical properties of deep carbonate rocks

Shiyou shiyan dizhi
To deeply analyze the intrinsic relationship between lithofacies characteristics and the mechanical properties of deep carbonate rocks, the study focuses on the Ordovician Yingshan Formation in the Tahe area of the Tarim Basin.
Shangjia WU, Jun WU, Tailiang FAN, Meng DING, Kaidi LÜ, Guocui LI, Yanpeng LI   +6 more
doaj   +1 more source

Neoproterozoic ultramafic and mafic magmatism in the Eastern Cordillera of the central peruvian Andes: the Tapo Massif [PDF]

, 2010
A highly dismembered assemblage of ultramafic and mafic rocks is exposed in the Eastern Cordillera of the Central Peruvian Andes, extending along a discontinuous NW-SE belt over some 250 km between 12° and 9° S of latitude.
Acosta, Jorge, Castroviejo Bolibar, Ricardo, Pereira, Eurico, Rodrigues, Jose F., Tassinari, Colombo G.   +4 more
core   +2 more sources

The Ordovician of Scandinavia: a revised regional stage classification

, 2022
Arne Thorshøj Nielsen, Per Ahlberg, Jan Ove R. Ebbestad, Øyvind Hammer, David A. T. Harper, Anders Lindskog, Christian M. Ø. Rasmussen, Svend Stouge   +7 more
openalex   +1 more source

Systematics of the Early Ordovician (late Tremadocian; Stairsian) trilobiteGonioteloidesKobayashi, with species from the Great Basin, western USA [PDF]

, 2021
Jonathan M. Adrain, Talia S. Karim
openalex   +1 more source