Results 11 to 20 of about 15,292 (167)

Marcasite at the Permian‐Triassic Transition

open access: yesGeophysical Monograph Series, Page 377-399., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Elena Lounejeva   +7 more
wiley  

+1 more source

Geology of the Gobi and Mongol Altai junction enhanced by gravity analysis: a key for understanding of the Mongolian Altaides

open access: yesJournal of Maps, 2020
The geological map L-47-V at a scale 1:500,000 covers part of Mongolian Altaids with ophiolite fragments in southern Central Asian Orogenic Belt in SW Mongolia. This region has a basin and range topography with Neoproterozoic and Palaeozoic units exposed
Pavel Hanžl   +11 more
doaj   +1 more source

Geology of Piemonte region (NW Italy, Alps–Apennines interference zone)

open access: yesJournal of Maps, 2017
The geological map of Piemonte Region (Italy) is a graphic representation of the geology of the region, grounded on a large geodatabase, that can be also browsed as an interactive scalable map (GeoPiemonte Map) using a WebGIS application.
F. Piana   +10 more
doaj   +1 more source

Nové litostratigrafické jednotky magurského príkrovu na Orave (Vonkajšie Západné Karpaty) [PDF]

open access: yesGeologické práce. Správy, 2020
The defiition of two new lithostratigraphic units was one of the results of geological research of the Biela Orava region. The Oravské Veselé Mb. was defied as a new lithostratigraphic unit in the southern part of the Bystrica Unit, where an increased ...
František Teťák   +3 more
doaj  

Glaciotectonic deformation of till-covered glaciofluvial deposits in Oulu region, Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2008
Sedimentary sequences in Isoniemi and Hangaskangas in the Oulu area of Finland have been studied using conventional sedimentological techniques including structural and clast-fabric measurements on fold and fault structures and till units. Four different
A. Pasanen, J.P. Lunkka
doaj   +1 more source

The Himmerkinlahti member: An indicator of intra-karelian erosion within the early Proterozoic Kuusamo Belt, Posio, northern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 2000
The paper establishes the Himmerkinlahti Member, which is a thin metamorphosed conglomerate-sandstone unit within the middle part of the early Proterozoic (Karelian) supracrustal sequence of the Kuusamo Belt, northern Finland.
K. Laajoki
doaj   +1 more source

Stratigraphical studies on Lake Iidesjärvi sediments. Part II. Geological and mineralogical characteristics of the sedimentary sequence [PDF]

open access: yesBulletin of the Geological Society of Finland, 1983
This paper presents data on the geochemical and mineralogical characteristics of a core pertinent to the limnological history of Lake Iidesjärvi in the town of Tampere (S. Finland).
A. Vuorinen, R. Uusinoka, P. Alhonen
doaj   +1 more source

The Serbian Lake Pannon formations - their significance and interregional correlation [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2021
The problem of correlating Lake Pannon sediments across its basin has been the occupation of many geologists. At first, it was hampered by the prevalence of biostratigraphic, rather than lithostratigraphic correlation. The task became accomplishable when,
Anđelković Filip, Radivojević Dejan
doaj   +1 more source

Sedimentology and stratigraphic correlation of Vendian deposits in the southwestern Siberian Craton: Major contribution of an exocratonic clastic source to sedimentary systems

open access: yesЛитосфера, 2018
The study focuses on the sedimentation and stratigraphy of a large Vendian (Ediacaran) sedimentary basin in the southwestern Siberian craton, with implications for the origin of its units and subunits.
Julius K. Sovetov
doaj   +1 more source

Magnetostratigraphy of the Lower Triassic beds from Chaohu(China) and its implications for the Induan–Olenekian stage boundary. [PDF]

open access: yes, 2009
A magnetostratigraphic study was performed on the lower 44 m of the West Pingdingshan section near Chaohu city, (Anhui province, China) in order to provide a magnetic polarity scale for the early Triassic.
Sun, Zhiming   +5 more
core   +2 more sources

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