Results 111 to 120 of about 64,869 (244)

Exploration for volcanogenic sulphide mineralisation at Benglog, north Wales [PDF]

, 1983
Exploration for volcanogenic sulphide mineralisation around Benglog is one of three investigations designed to assess the metallogenic potential of the Ordovician Aran Volcanic Group.
Allen, P.M., Cameron, D.G., Cooper, D.C., Jackson, Audrey A., Parker, M.E.   +4 more
core  

Middle Ordovician beds in the Saguenay Valley, Quebec [PDF]

, 1953
G. Winston Sinclair
openalex   +1 more source

Ordovician corals from Ida Bay, Queenstown and Zeehan, Tasmania [PDF]

, 1955
Dorothy Hill
openalex   +1 more source

Geological characteristics of accumulation and favorable exploration directions of the second and third members in Ordovician Majiagou Formation of deep subsalt layers, Ordos Basin

Shiyou shiyan dizhi
The geological conditions for natural gas accumulation in the deep subsalt layers of the second and third members of the Ordovician Majiagou Formation (Ma 2 and Ma 3) in the Ordos Basin are complex, and favorable exploration directions in this area ...
Zhaobing CHEN, Chenyang DUAN, Ruifeng YAN, Jianrong GAO, Ying BAI, Yanbing ZHANG, Wanglin XU, Yueqiao ZHANG   +7 more
doaj   +1 more source

Cambrian-Ordovician boundary in the Adirondack-Border region [PDF]

, 1942
Robert R. Wheeler
openalex   +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

Structural petrology of Cambro-Ordovician limestones of the north-west Highlands of Scotland [PDF]

, 1958
C. B. Crampton
openalex   +1 more source

Palaeozoic arthropods in Baltoscandian erratics from the coastal cliffs near Gdynia in northern Poland

Geologos
Fossils recovered from Baltoscandian erratic boulders and cobbles, collected on the beach near Orłowo and Oksywie Cliff (the latter for the first time) near Gdynia in northern Poland constitute an interesting lot.
Kowalewska Agata, Jagt-Yazykova Elena
doaj   +1 more source

High palaeolatitude (Hodh, Mauritania) recovery of graptolite faunas after the Hirnantian (end Ordovician) extinction event [PDF]

Marine shales directly overlying lower Hirnantian (uppermost Ordovician) glacially related sediments in Mauritania (North-West Africa) have produced a rich graptolite fauna spanning the Ordovician-Silurian boundary in an area of high palaeolatitude.
Deynoux, M., Ghienne, J.F., Underwood, Charlie J.   +2 more
core  

Micro-CT and mercury intrusion porosimetry characterization of the fabric of roofing slate [PDF]

, 2013
The petrological fabric of roofing slate determines the main properties of the slate as a construction material, such as durability and waterproofing.
Cnudde, Veerle, Cárdenes Van den Eynde, Victor, De Boever, Wesley, Mateos, Felix J   +3 more
core   +1 more source