Results 11 to 20 of about 12,001 (167)

A facies and palaeogeography-based approach for analysis of petroleum systems in United Arab Emirates

open access: yesJournal of Palaeogeography, 2018
The United Arab Emirates (UAE) is the 8th largest oil producing country and is rich in oil and gas resources. By the end of 2015, 68 oil and 23 gas fields had been discovered.
Shu-Zheng Yin   +3 more
doaj   +1 more source

Sedimentary Characteristics and Their Controlling Factors of Lower Cretaceous Fan Deltas in Saidong Sub-Sag of Saihantala Sag, Erlian Basin, Northeastern China

open access: yesEnergies, 2022
Fan deltas of the Lower Cretaceous area in Saihantala sag, Erlian Basin have been identified as major petroleum exploration opportunities. The sedimentary evolution is, however, still debatable, which hinders insights into its controlling factors.
Bo Yan   +4 more
doaj   +1 more source

Welwitschiaceae from the Lower Cretaceous of northeastern Brazil [PDF]

open access: yesAmerican Journal of Botany, 2005
Welwitschiaceae, a family in the Gnetales, is known today from only one extant species, Welwitschia mirabilis. This species is distributed in the Namibian desert, along the western coast of southern Africa, about 10 km inland from the coast. Very little is known about the fossil record of this family.
Dilcher, D.L.   +3 more
openaire   +3 more sources

The first data on the role of rhyncholites in the process of epibiota

open access: yesИзвестия высших учебных заведений: Геология и разведка, 2019
For the first time the role of rhyncholites in the process of epibiota has been figured out. Serpulidae inlay is detected in 39 rhyncholites of 979 specimens, representing 4% of the all studied material. This fact demonstrates that rhyncholites were used
E. S. Gaponenko   +2 more
doaj   +1 more source

Geothermal Water Management Using the Example of the Polish Lowland (Poland)—Key Aspects Related to Co-Management of Drinking and Geothermal Water

open access: yesEnergies, 2020
Over the last few years, there has been an upsurge in the demand for drinking water and for water used in agriculture, industry, and others. Consequently, research is needed to find new technologies and methods for the comprehensive use of geothermal ...
Magdalena Tyszer   +3 more
doaj   +1 more source

Two new long-rostrum cranefly species from the Cretaceous Iberian amber (Diptera, Limoniidae, Helius)

open access: yesScientific Reports, 2021
First record of the genus Helius—long-rostrum cranefly from Maestrazgo Basin (eastern Spain, Iberian Penisula) is documented. Two new fossil species of the genus Helius are described from Cretaceous Spanish amber and compared with other species of the ...
Iwona Kania-Kłosok   +2 more
doaj   +1 more source

Lower Cretaceous Lepidoptera [PDF]

open access: yesNature, 1977
LEPIDOPTERA are rare in the fossil record and, until relatively recently, most fossil butterflies and moths had been found in Tertiary deposits. Records of Lepidoptera from earlier in the fossil record have been discounted1. The first evidence of a Cretaceous lepidopteran was Mackay's description2 of the head of a caterpillar in amber (about 72 Myr BP).
openaire   +1 more source

The History of the Aptian Stage Stratigraphy and Ammonoids of the Central Part of the Northern Caucasus Studies. Paper 1. 19th Century to 1969 [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Науки о Земле
The offering paper covers the history of the Aptian stage stratigraphy and ammonites studies of the central part of the Northern Caucasus, which was subdivided by the author into five stages. The first (mid-to-late 19th century), second (1901–1951)
Polkovoi, Kirill Sergeevich
doaj   +1 more source

Lower Cretaceous Angiosperms [PDF]

open access: yesNature, 1910
IN the course of my work at the British Museum on Cretaceous plants, I have examined a number of more or less perfectly petrified “woods.” Such specimens have generally been classed together as “Gymnosperms,” so that they have received little attention from palaeobotanists. As I am undertaking an exhaustive study of the Cretaceous plants, the keeper of
openaire   +2 more sources

A new megaspilid wasp from Eocene Baltic amber (Hymenoptera: Ceraphronoidea), with notes on two non-ceraphronoid families: Radiophronidae and Stigmaphronidae [PDF]

open access: yesPeerJ, 2018
Ceraphronoids are some of the most commonly collected hymenopterans, yet they remain rare in the fossil record. Conostigmus talamasi Mikó and Trietsch, sp. nov. from Baltic amber represents an intermediate form between the type genus, Megaspilus, and one
István Mikó   +6 more
doaj   +2 more sources

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