Results 101 to 110 of about 3,248,245 (131)

Conodont biostratigraphy of Devonian strata of West Texas and eastern New Mexico and the apparatus of early Devonian Icriodus species [PDF]

open access: yes, 2002
Devonian strata in the Permian Basin reflect eperrogenic events and eustatic fluctuations in the southern midcontintent North America Changes in relative sea level demonstrated by conodont faunas and facies changes within the Frame, Thirtyone and ...
Meyer, Beverly Diane
core  

OIL AND GAS PROGNOSIS OF THE OF MIDDLE- AND UPPER JURASSIC CARBONATE STRATA OF THE NORTH-WESTERN PART BLACK SEA AND ADJACENT AREA ACCORDING TO THE SEDIMENTARY-PALEOGEOMORPHOLOGICAL CRITERIA

open access: yesГеологія і корисні копалини Світового океану, 2019
The studies carried out in the revealed the possibility of wide spread of various morphogenetic types of hydrocarbon traps associated with the carbonate rock bodies.
Oleksii Naumenko   +3 more
doaj   +1 more source

A new atrypid brachiopod, Desquamatia macroumbonata sp. n., from the Middle to Upper Devonian boundary beds of the Holy Cross Mts [PDF]

open access: yes, 1985
The atrypid brachiopod Desquamatia macroumbonata sp. n. from the Middle to Upper Devonian boundary beds of the Holy Cross Mts, Central Poland, is described and analyzed from ecologic and stratigraphic viewpoint.
Racki, Grzegorz
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Recent Advances in Palynology

open access: yesCarnets de Géologie, 2007
A set of 11 abstracts and short papers (extended abstracts) of presentations given at a meeting organized by the NFSR Working Group, "Micropaléontologie végétale et Palynologie (MVP)", held on May 24, 2006 at the University of Liège, Belgium.
Javaux Emmanuelle, Steemans Philippe
doaj  

A new Devonian fish (Crossopterygii: Rhipidistia) considered in relation of the origin of the Amphibia [PDF]

open access: yes, 1968
Hyneria lindae, gen. et sp. nov., is a large rhizodontid rhipidistian fish from the Upper Devonian (Oswayo Formation) of Pennsylvania. It shows a remarkable similarity to the intermediate stages that must have preceded the first true Amphibia.
Thomson, Keith Stewart
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Acanthodian, onychodontid and osteolepidid fish from the middle-upper Taemas Limestone (Early Devonian), Lake Burrinjuck, New South Wales

open access: yes, 2015
A meagre ischnacanthid acanthodian fauna, known from fragmentary dentigerous jaw-bones from Lake Burrinjuck, Yass district, New South Wales, consists of three taxa: Taemasacanthus narrengullenensis, Taemasacanthus cooradigbeensis and an indeterminate ...
Lindley, Ian
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Sedimentology, C-S-Fe relationships and stable isotopic compositions in Devonian black mudrocks, Mackenzie Mountains, Northwest Territories, Canada

open access: yes, 1996
An integrated approach combining C-S-Fe relationships, stable isotopic compositions, and lithofacies characterization was utilized to constrain the palaeoenvironmental and early diagenetic conditions of Middle-Upper Devonian (Eifelian-Frasnian) mudrocks ...
Muir, I   +3 more
core  

Palaeoenvironment and palaeogeography of Middle and Upper Devonian strata from the Loei fold belt, Indochina terrane (northeast Thailand)

open access: yes, 2017
Limestone and chert sections from the Loei fold belt in Loei Province, northeastern Thailand, have yielded Givetian to Famennian conodonts and Late Devonian radiolarian faunas.
Udchachon, M (15574256)   +2 more
core  

Assessment of the contribution of Precambrian deposits in forming the petroleum potential of the eastern part of the Volga-Urals basin using results of modeling

open access: yesЗаписки Горного института
Consideration is given to results of geochemical analysis of organic matter and oils of the Proterozoic (the RF-V complex) and the Paleozoic (the pay intervals D2, D3, C1-2) of the eastern part of the Volga-Urals petroleum basin.
Dmitrii D. Kozhanov, Mariya Bolshakova
doaj  

Upper Iowa University Catalog; Upper Iowa University Bulletin

open access: yes
[Title], Upper Iowa University Digital Archives, [Reference URL]. See 'About' page for more information;Digitized 600 dpi 48-bit color tiff, saved as jpeg, edited with Windows Live Photo ...
Upper Iowa University
core   +1 more source

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