Results 21 to 30 of about 3,100 (229)

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

Lithostratigraphy of the early Proterozoic Kainuu Schist Belt in the Kurkikylä-Siikavaara area, northern Finland, with emphasis on the genetic approach [PDF]

open access: yesBulletin of the Geological Society of Finland, 1989
The early Proterozoic (Karelian) supracrustal formations of the northeastern part of the Kainuu Schist Belt in the Kurkikylä-Siikavaara area in northern Finland are formally classified into the Kurkikylä, Korvuanjoki and East Puolanka Groups.
K. Laajoki, K. Strand, P. Härmä
doaj   +1 more source

Paleogeography and regional interpretation of facies in Tirgan Formation, west of Kopet-Dagh sedimentary basin, northeast of Iran [PDF]

open access: yesSustainable Earth Trends, 2021
In order to study the lithostratigraphy, biostratigraphy, microfacies, depositional setting and also to reconstruct the paleo-environmental conditions of the Tirgan Formation, three outcrop sections were selected in the western part of the Kopet-Daghh ...
Atefeh Chenarani   +2 more
doaj   +1 more source

Lithostratigraphy of the study area (after [17, 21]).

open access: yes, 2023
Lithostratigraphy of the study area (after [17, 21]).
S. C. Das (15852633)   +8 more
core   +1 more source

Stratigraphical evidence of Baltic water level changes between 8 and 6 ka BP in a small lake basin on the coast of the Gulf of Finland, SE Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1997
A sediment core from Lake Saarasjärvi at 19.5 m a.s.l. in Virolahti near the coast of the Gulf of Finland, SE Finland, was studied for lithology and diatom stratigraphy.
A. Miettinen, H. Hyvärinen
doaj   +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

Schematic Lithostratigraphy of the Wealden

open access: yes, 2008
Schematic lithostratigraphy of the Wealden indicating the origin of the holotype of Xenoposeidon proneneukos gen. et sp. nov.
Naish, Darren, Taylor, Michael P.
core   +2 more sources

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  

The Arctic Ocean Manganese Cycle, an Overlooked Mechanism in the Anomalous Palaeomagnetic Sedimentary Record

open access: yesFrontiers in Earth Science, 2020
Palaeomagnetic records obtained from Arctic Ocean sediments are controversial because they include numerous and anomalous geomagnetic excursions. Age models that do not rely on palaeomagnetic interpretations reveal that the majority of the changes in ...
Steffen Wiers   +4 more
doaj   +1 more source

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