Results 111 to 120 of about 9,376 (253)

Characterization of coesite‐bearing impact melt glass from the Hapcheon crater, Korea: Trimodal phase architecture, shock metamorphism, and implications for 40Ar/39Ar geochronology

Meteoritics &Planetary Science, EarlyView.
Abstract We present the first micrometer‐scale, phase‐resolved compositional characterization of impact melt glass from the Hapcheon crater (~1.4 km apparent diameter), the first confirmed impact structure on the Korean Peninsula, integrating EPMA‐WDS (5 μm spot), confocal Raman spectroscopy (<1 μm spot), XRD, and 40Ar/39Ar step‐heating geochronology ...
Jin‐Young Lee, Jeongmin Kim, Sei‐Sun Hong   +2 more
wiley   +1 more source

Protoma kayalensis Late Miocene

Protoma kayalensis (Dey, 1961)Fig. 2E–GTurritella kayalensis Dey, 1961: 59, pl. 7 fig. 18.Protoma kayalensis – Kulkarni et al. 2010: 315, fig. 2(h).Non Turritella harrisoni Cox, 1936: pl. 8 figs 27, 29 (misidentification).Material examinedIRAN – Sistan and Baluchestan • 10 shells; Dar Pahn Unit; GDZU-0011 to GDZU-0020.RemarksDey ...
Kiel, Steffen, Hadi, Mehdi, Ataabadi, Majid Mirzaie, Xi, Dangpeng   +3 more
openaire   +1 more source

The complex interaction between mammalian herbivores, climate, soil and fire has shaped the evolution and distribution of plant spinescence across biogeographical realms

New Phytologist, EarlyView.
Evolution of spinescence in mimosoid legumes. Summary The evolutionary arms race between plants and herbivores led to numerous plant adaptations, including spinescence. However, the balance between herbivory and abiotic conditions in the evolution of spinescence remains unclear. We integrated phylogenetic, geographic, and trait data for 2686 species of
Rachel Souza Ferreira, Jens J. Ringelberg, Colin Hughes, Eduardo Arlé, Friederike J. R. Wölke, Kyle W. Tomlinson, Renske E. Onstein   +6 more
wiley   +1 more source

Savanna ecosystems and mammalian adaptations in Mid-Miocene Northern China

Scientific Reports
The paleoenvironments and ecosystems of northern China during the Miocene (ca. 23–5.3 Ma) are complex topics, especially concerning the uplift of the Tibetan Plateau on the surrounding areas and the ecological adaptations of mammals as a consequence. Our
Chunxiao Li, Shi-Qi Wang, Yang Wang, Tao Deng, Jiao Ma, Bian Wang, Qigao Jiangzuo, Danhui Sun   +7 more
doaj   +1 more source

CO₂-forced Late Miocene cooling and ecosystem reorganizations in East Asia. [PDF]

Proc Natl Acad Sci U S A, 2023
Wen Y, Zhang L, Holbourn AE, Zhu C, Huntington KW, Jin T, Li Y, Wang C.   +7 more
europepmc   +1 more source

Diagenetic controls on porosity evolution and pore type organisation in microporous carbonate rocks: Evidence for mesogenetic porosity formation

Sedimentology, EarlyView.
ABSTRACT Microporous carbonate rocks typically record complex diagenetic histories driven by microbial activity and fluid interactions within multiple diagenetic environments. The relative roles of meteoric and burial diagenetic processes in pore evolution remain debated, particularly within Cretaceous carbonate systems of the Middle East, as does the ...
Hugues Bitault, Cathy Hollis, Alain Tonetto, Pierre Deschamps, Philippe Léonide, François Fournier   +5 more
wiley   +1 more source

Miocene to Quaternary deformation, stratigraphy and paleogeography in Northeastern Slovenia and Southwestern Hungary

Geologija, 2002
The Mura-Zala basin was formed due to ENE-WSW trending crustal extension in the late early and middle Miocene (19 – 11 Ma). Marine sedimentation occurred in several more or less confined depressions (half grabens), then in a unified basin.
Laszlo Fodor, Bogoljub Jelen, Emo Marton, Helena Rifelj, Marijan Kraljić, Renata Kervić, Peter Marton, Balazs Koroknai, Maria Baldi-Beke   +8 more
doaj  

Warm, not cold temperatures contributed to a Late Miocene reef decline in the Coral Sea. [PDF]

Sci Rep, 2023
Petrick B, Reuning L, Auer G, Zhang Y, Pfeiffer M, Schwark L.   +5 more
europepmc   +1 more source

Cenozoic tropical carbonate platforms in the Santos Basin, SE Brazilian Margin

Sedimentology, EarlyView.
ABSTRACT Tropical carbonate platforms accompanied the latitudinal shifts of the tropical belt throughout the Cenozoic. Their flat‐topped geometries were influenced by a specific set of processes, including climate and sea‐level changes, carbonate facies, tectonics and continental runoff.
Mateus Gama, Gabriel Tagliaro, Adolfo Britzke, Pedro Bauli, Otavio Neto, Luigi Jovane   +5 more
wiley   +1 more source

Porosity Preservation in Deeply Buried (8500 m) Jurassic Calcareous Mudstones of the Vienna Basin (Austria)

Terra Nova, EarlyView.
ABSTRACT Significant porosity of more than 5% was found at depths of more than 8500 m in poorly sorted, calcareous mudstones of the Malmian Mikulov Formation. These overpressured rocks are the main hydrocarbon source rock in the Vienna Basin. Core samples from present‐day depths of 8150 m to 8550 m were analysed using X‐ray diffraction and scanning ...
Susanne Gier, Jürgen Schieber, Andrea Forstner‐Schicker, Peter Krois   +3 more
wiley   +1 more source