Results 101 to 110 of about 7,153,299 (305)

New ichnological findings in Hauterivian sandstones of Mountainous Adygeya

open access: yesИзвестия высших учебных заведений: Геология и разведка
Background. Trace fossils are highly informative objects for geological investigations. However, the information about their distribution in sedimentary settings lacks completeness.
D. A. Ruban   +3 more
doaj   +1 more source

New occurrence of †Mawsoniidae (Sarcopterygii, Actinistia) in the Morro do Chaves Formation, Lower Cretaceous of the Sergipe-Alagoas Basin, Northeastern Brazil [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2010
The goal of this paper is to describe a new occurrence of †Mawsoniidae in the Morro do Chaves Formation, Sergipe- Alagoas Basin. This stratigraphical unit is represented by an intercalation of coquina and shale beds, deposited in a lacustrine ...
Valéria Gallo   +2 more
doaj  

Mutually according concept for biostratigraphic data and clinoform model of western siberian tithonian-barremian deposits

open access: yesИзвестия высших учебных заведений: Нефть и газ
There is a unique situation for past decades with Western Siberia Tithonian-Barremian deposit’s regional schemes: the clinoform model of their structure is generally accepted in regional oil exploring organizations, and at the same time, there exists ...
V. F. Grishkevich   +2 more
doaj   +1 more source

Depositional processes and stratigraphic evolution of the Campanian deltaic system of La Anita Formation, Austral-Magallanes Basin, Patagonia, Argentina [PDF]

open access: yes, 2019
Coastal depositional systems are commonly classified in terms of the relative interaction of wave, tide and fluvial processes. The La Anita Formation represents the opportunity to study and better understand coastal sedimentary systems.
Cereceda, Abril   +4 more
core   +2 more sources

The anatomy of exhumed river-channel belts: Bedform to belt‐scale river kinematics of the Ruby Ranch Member, Cretaceous Cedar Mountain Formation, Utah, USA [PDF]

open access: yes, 2020
Many published interpretations of ancient fluvial systems have relied on observations of extensive outcrops of thick successions. This paper, in contrast, demonstrates that a regional understanding of palaeoriver kinematics, depositional setting and ...
Cardenas, Benjamin T.   +7 more
core  

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