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Mineral composition and organic geochemistry of the Lower Cretaceous Xiagou Formation source rock from the Qingxi Sag, Jiuquan Basin, Northwest China
Mineral composition Geochemistry Source rock Xiagou Formation Qingxi Sag Jiuquan Basin
2018/4/2
The Lower Cretaceous Xiagou Formation contains the major source rocks for the crude oils discovered in the Qingxi Sag and the South Uplift in the Jiuquan Basin, northwestern China. The Xiagou Formatio...
New triconodontids (Mammalia) from the Lower Cretaceous Shahai and Fuxin formations, northeastern China
Triconodontidae Alticonodontinae Meiconodon gen. nov Early Cretaceous Northeastern China
2014/3/26
The first triconodontids from Asia have been discovered from the Lower Cretaceous (Aptian to Albian) Shahai and Fuxin formations in
Liaoning Province, northeastern China: Meiconodon liigen. and sp. n...
NEW MULTITUBERCULATE MAMMALS FROM THE LOWER CRETACEOUS (SHAHAI AND FUXIN FORMATIONS), NORTHEASTERN CHINA
LOWER CRETACEOUS MULTITUBERCULATE
2014/3/26
Two eobaatarid multituberculates, Heishanobaatar triangulusgen. et sp. nov. and Eobaataridae gen. et sp.
indet., and an ?albionbaatarid multituberculate, Kielanobaatar badaohaoensis gen. et sp. nov.,...
Isolated dinosaur teeth from the Lower Cretaceous Shahai and Fuxin formations of northeastern China
Dinosaurs Isolated teeth Shahai Formation Fuxin Formation Early cretaceous China
2014/3/26
Isolated dinosaur teeth recovered from seven localities near Fuxin (western Liaoning Province, northeast-ern China) are described. They come from sediments belonging to the Shahai and Fuxin formations...
Izmirella cretacea nov. gen.,nov. sp.,a complex alga from the Lower Cretaceous,NE of Bornova-Izmir/Turkey
Algae Izmirella Cretaceous Izmir Turkey
2009/12/7
Izmirella cretacea nov. gen., nov. sp., a complex alga, forming microbioherms is described from Barremian - Aptian platform carbonates of the "Bornova block", an allodapic unit derived from the northe...
On some Salpingoporella species from the Lower Cretaceous of Dinaric karst
Dasycladales Salpingoporella taxonomy biogeography Lower Cretaceous Dinarides Croatia
2009/12/7
In this paper a new species Salpingoporella tari n.sp. is established, found in a sample of Barremian intraclastic grainstone. It is similar to S. annulata (LORENZ) and S. grudii (RADOI?I?), but visib...
Tracking polar dinosaurs-new finds from the Lower Cretaceous of Svalbard
polar dinosaurs-new finds Lower Cretaceous Svalbard
2009/12/3
A new discovery of ornithopod dinosaur tracks from Svalbard is described. The Lower Cretaceous (Barremian) section at Isfjorden consists of sandstones and interbeds consistent with an alluvial flood p...
Lower Cretaceous palynostratigraphy and dinoflagellate cyst palaeoecology in the Siberian palaeobasin
Lower Cretaceous palynostratigraphy dinoflagellate cyst palaeoecology Siberian palaeobasin
2009/12/2
Palynological analysis of Lower Cretaceous (Berriasian-Barremian) sections from North Siberia allows definition of detailed dinocyst and sporepollen zonations, which are calibrated against the establi...
Lower Cretaceous lithostratigraphy across a regional subaerial unconformity in Spitsbergen:the Rurikfjellet and Helvetiafjellet formations
Lower Cretaceous lithostratigraphy regional subaerial unconformity Rurikfjellet and Helvetiafjellet formations
2009/12/2
During development of the Lower Cretaceous succession in the Spitsbergen domain of the epicontinental Boreal Basin, a fall in relative sea-level caused a major subaerial unconformity to form. This unc...
The ecological significance of solitary coral and bivalve epibionts on Lower Cretaceous (Valangianian-Aptian) ammonoids from the Italian Dolomites
Ammonoids epibionts Corals Autecology Cretaceous Dolomites Italy
2009/10/20
Lower Cretaceous deposits of the Puez section in the Dolomites (northern Italy) yielded a rich ammonoid fauna(28 genera, n = 424) showing unique epifaunal encrustations by the ahermatypic solitary scl...
Rock-Forming Nannofossils in Uppermost Jurassic-Lower Cretaceous Rock Units of Northwest Anatolia: Nannoconusand Its Resived Taxonomy
Rock-Forming Nannofossils Northwest Anatolia Uppermost Jurassic-Lower Cretaceous Rock
2009/7/8
Nannoconids have been recorded in a rock-forming quantity in the uppermost Jurassic-Lower Cretaceous rock units in Northwest Anatolia, Turkey. Samples were collected from seventeen stratigraphic secti...
Biostratigraphic and Environmental Analysis of the Upper Jurassic- Lower Cretaceous Carbonate Sequence in the Başoba Yayla Area (Trabzon, NE Turkey)
Biostratigraphy Depositional environment Carbonate platform Upper Jurassic-Lower Cretaceous Eastern Pontides Turkey
2009/7/8
In the Başoba Yayla (Trabzon, NE Turkey) area, which is located in the Eastern Pontides northern zone, platform carbonates were deposited during the Late Jurassic-Early Cretaceous time in environ...
Berthierine from the Lower Cretaceous Clearwater Formation, Alberta, Canada
Berthierine Chamosite Diagenesis Neoformation Odinite Oil Sands
2011/12/1
Abstract: Berthierine occurs as pore-linings of well crystallized laths of variable thickness in oil-sands of the Clearwater Formation, Alberta, Canada. Berthierine crystallized early in diagenesis wi...
Particle Morphological Evolution During the Conversion of I/S to Illite in Lower Cretaceous Shales from Sergipe-Alagoas Basin, Brazil
Illite Illite/smectite Morphology Shale TEM XRD
2011/12/1
Abstract: The illitic end of mixed-layer illite-smectite series (I/S) in shales from Lower Cretaceous Barra de Itiúba Formation, Sergipe-Alagoas basin, was examined with X-ray powder diffraction (XRD)...
Relationship Between Illite/Smectite Diagenesis and Hydrocarbon Generation in Lower Cretaceous Mowry and Skull Creek Shales of the Northern Rocky Mountain Area
Diagenesis Hydrocarbon Illite/smectite Interstratification Maturation Pyrolysis Shale
2012/1/12
The percentage of expandable layers in illite/smectite (I/S) mixed-layer clay decreases with increasing temperature and depth in a section through marine Cretaceous shales in the Champlin 1 Hartley Fe...